^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * fs/f2fs/checkpoint.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2012 Samsung Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * http://www.samsung.com/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/bio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mpage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/writeback.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/f2fs_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/pagevec.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/swap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "f2fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "node.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "segment.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <trace/events/f2fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define DEFAULT_CHECKPOINT_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct kmem_cache *ino_entry_slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct kmem_cache *f2fs_inode_entry_slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) f2fs_build_fault_attr(sbi, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) set_ckpt_flags(sbi, CP_ERROR_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) if (!end_io)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) f2fs_flush_merged_writes(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * We guarantee no failure on the returned page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct address_space *mapping = META_MAPPING(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) repeat:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) page = f2fs_grab_cache_page(mapping, index, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (!page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) goto repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) f2fs_wait_on_page_writeback(page, META, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (!PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) SetPageUptodate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) bool is_meta)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct address_space *mapping = META_MAPPING(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct f2fs_io_info fio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .sbi = sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .type = META,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .op = REQ_OP_READ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .op_flags = REQ_META | REQ_PRIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .old_blkaddr = index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .new_blkaddr = index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .encrypted_page = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .is_por = !is_meta,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (unlikely(!is_meta))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) fio.op_flags &= ~REQ_META;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) repeat:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) page = f2fs_grab_cache_page(mapping, index, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (!page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) goto repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) fio.page = page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) err = f2fs_submit_page_bio(&fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) f2fs_update_iostat(sbi, FS_META_READ_IO, F2FS_BLKSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) lock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (unlikely(page->mapping != mapping)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) goto repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (unlikely(!PageUptodate(page))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return __get_meta_page(sbi, index, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) retry:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) page = __get_meta_page(sbi, index, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (IS_ERR(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (PTR_ERR(page) == -EIO &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ++count <= DEFAULT_RETRY_IO_COUNT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) goto retry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) f2fs_stop_checkpoint(sbi, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* for POR only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return __get_meta_page(sbi, index, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct seg_entry *se;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) unsigned int segno, offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) bool exist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (type != DATA_GENERIC_ENHANCE && type != DATA_GENERIC_ENHANCE_READ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) segno = GET_SEGNO(sbi, blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) se = get_seg_entry(sbi, segno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) exist = f2fs_test_bit(offset, se->cur_valid_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (!exist && type == DATA_GENERIC_ENHANCE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) blkaddr, exist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) set_sbi_flag(sbi, SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return exist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) block_t blkaddr, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) case META_NAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) case META_SIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if (unlikely(blkaddr >= SIT_BLK_CNT(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) case META_SSA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (unlikely(blkaddr >= MAIN_BLKADDR(sbi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) blkaddr < SM_I(sbi)->ssa_blkaddr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) case META_CP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (unlikely(blkaddr >= SIT_I(sbi)->sit_base_addr ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) blkaddr < __start_cp_addr(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) case META_POR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) blkaddr < MAIN_BLKADDR(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) case DATA_GENERIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) case DATA_GENERIC_ENHANCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) case DATA_GENERIC_ENHANCE_READ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (unlikely(blkaddr >= MAX_BLKADDR(sbi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) blkaddr < MAIN_BLKADDR(sbi))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) f2fs_warn(sbi, "access invalid blkaddr:%u",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) set_sbi_flag(sbi, SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return __is_bitmap_valid(sbi, blkaddr, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) case META_GENERIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (unlikely(blkaddr < SEG0_BLKADDR(sbi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) blkaddr >= MAIN_BLKADDR(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) BUG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) * Readahead CP/NAT/SIT/SSA/POR pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) int type, bool sync)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) block_t blkno = start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) struct f2fs_io_info fio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .sbi = sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .type = META,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .op = REQ_OP_READ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .encrypted_page = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .in_list = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .is_por = (type == META_POR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct blk_plug plug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (unlikely(type == META_POR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) fio.op_flags &= ~REQ_META;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) blk_start_plug(&plug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) for (; nrpages-- > 0; blkno++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (!f2fs_is_valid_blkaddr(sbi, blkno, type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) case META_NAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (unlikely(blkno >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) NAT_BLOCK_OFFSET(NM_I(sbi)->max_nid)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) blkno = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) /* get nat block addr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) fio.new_blkaddr = current_nat_addr(sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) blkno * NAT_ENTRY_PER_BLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) case META_SIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (unlikely(blkno >= TOTAL_SEGS(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /* get sit block addr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) fio.new_blkaddr = current_sit_addr(sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) blkno * SIT_ENTRY_PER_BLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) case META_SSA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) case META_CP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) case META_POR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) fio.new_blkaddr = blkno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) BUG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) page = f2fs_grab_cache_page(META_MAPPING(sbi),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) fio.new_blkaddr, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (!page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (PageUptodate(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) fio.page = page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) err = f2fs_submit_page_bio(&fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) f2fs_put_page(page, err ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) f2fs_update_iostat(sbi, FS_META_READ_IO, F2FS_BLKSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) blk_finish_plug(&plug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) return blkno - start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) bool readahead = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) page = find_get_page(META_MAPPING(sbi), index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (!page || !PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) readahead = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) f2fs_put_page(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (readahead)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) f2fs_ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) static int __f2fs_write_meta_page(struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) struct writeback_control *wbc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) enum iostat_type io_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) struct f2fs_sb_info *sbi = F2FS_P_SB(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) trace_f2fs_writepage(page, META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) goto redirty_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) goto redirty_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) if (wbc->for_reclaim && page->index < GET_SUM_BLOCK(sbi, 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) goto redirty_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) f2fs_do_write_meta_page(sbi, page, io_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) dec_page_count(sbi, F2FS_DIRTY_META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (wbc->for_reclaim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) f2fs_submit_merged_write_cond(sbi, NULL, page, 0, META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) unlock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) f2fs_submit_merged_write(sbi, META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) redirty_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) redirty_page_for_writepage(wbc, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return AOP_WRITEPAGE_ACTIVATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) static int f2fs_write_meta_page(struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct writeback_control *wbc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return __f2fs_write_meta_page(page, wbc, FS_META_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static int f2fs_write_meta_pages(struct address_space *mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) struct writeback_control *wbc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) long diff, written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) goto skip_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) /* collect a number of dirty meta pages and write together */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (wbc->sync_mode != WB_SYNC_ALL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) get_pages(sbi, F2FS_DIRTY_META) <
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) nr_pages_to_skip(sbi, META))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) goto skip_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) /* if locked failed, cp will flush dirty pages instead */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (!f2fs_down_write_trylock(&sbi->cp_global_sem))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) goto skip_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) trace_f2fs_writepages(mapping->host, wbc, META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) diff = nr_pages_to_write(sbi, META, wbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) f2fs_up_write(&sbi->cp_global_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) skip_write:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) wbc->pages_skipped += get_pages(sbi, F2FS_DIRTY_META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) trace_f2fs_writepages(mapping->host, wbc, META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) long nr_to_write, enum iostat_type io_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) struct address_space *mapping = META_MAPPING(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) pgoff_t index = 0, prev = ULONG_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) struct pagevec pvec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) long nwritten = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) int nr_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) struct writeback_control wbc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) .for_reclaim = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) struct blk_plug plug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) pagevec_init(&pvec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) blk_start_plug(&plug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) while ((nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) PAGECACHE_TAG_DIRTY))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) for (i = 0; i < nr_pages; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) struct page *page = pvec.pages[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if (prev == ULONG_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) prev = page->index - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (nr_to_write != LONG_MAX && page->index != prev + 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) pagevec_release(&pvec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) goto stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) lock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (unlikely(page->mapping != mapping)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) continue_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) unlock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) if (!PageDirty(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) /* someone wrote it for us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) goto continue_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) f2fs_wait_on_page_writeback(page, META, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if (!clear_page_dirty_for_io(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) goto continue_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (__f2fs_write_meta_page(page, &wbc, io_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) unlock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) nwritten++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) prev = page->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (unlikely(nwritten >= nr_to_write))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) pagevec_release(&pvec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) stop:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) if (nwritten)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) f2fs_submit_merged_write(sbi, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) blk_finish_plug(&plug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return nwritten;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) static int f2fs_set_meta_page_dirty(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) trace_f2fs_set_page_dirty(page, META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) if (!PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) SetPageUptodate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (!PageDirty(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) __set_page_dirty_nobuffers(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) set_page_private_reference(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) const struct address_space_operations f2fs_meta_aops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) .writepage = f2fs_write_meta_page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) .writepages = f2fs_write_meta_pages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) .set_page_dirty = f2fs_set_meta_page_dirty,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) .invalidatepage = f2fs_invalidate_page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .releasepage = f2fs_release_page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) #ifdef CONFIG_MIGRATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) .migratepage = f2fs_migrate_page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) unsigned int devidx, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) struct inode_management *im = &sbi->im[type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) struct ino_entry *e, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) tmp = f2fs_kmem_cache_alloc(ino_entry_slab, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) radix_tree_preload(GFP_NOFS | __GFP_NOFAIL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) e = radix_tree_lookup(&im->ino_root, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (!e) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) e = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (unlikely(radix_tree_insert(&im->ino_root, ino, e)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) f2fs_bug_on(sbi, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) memset(e, 0, sizeof(struct ino_entry));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) e->ino = ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) list_add_tail(&e->list, &im->ino_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) if (type != ORPHAN_INO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) im->ino_num++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (type == FLUSH_INO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) f2fs_set_bit(devidx, (char *)&e->dirty_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) radix_tree_preload_end();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) if (e != tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) kmem_cache_free(ino_entry_slab, tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) static void __remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) struct inode_management *im = &sbi->im[type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) struct ino_entry *e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) e = radix_tree_lookup(&im->ino_root, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (e) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) list_del(&e->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) radix_tree_delete(&im->ino_root, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) im->ino_num--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) kmem_cache_free(ino_entry_slab, e);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) /* add new dirty ino entry into list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) __add_ino_entry(sbi, ino, 0, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) /* remove dirty ino entry from list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) __remove_ino_entry(sbi, ino, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) /* mode should be APPEND_INO, UPDATE_INO or TRANS_DIR_INO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) struct inode_management *im = &sbi->im[mode];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) struct ino_entry *e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) e = radix_tree_lookup(&im->ino_root, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) return e ? true : false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) struct ino_entry *e, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) for (i = all ? ORPHAN_INO : APPEND_INO; i < MAX_INO_ENTRY; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) struct inode_management *im = &sbi->im[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) list_for_each_entry_safe(e, tmp, &im->ino_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) list_del(&e->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) radix_tree_delete(&im->ino_root, e->ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) kmem_cache_free(ino_entry_slab, e);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) im->ino_num--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) unsigned int devidx, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) __add_ino_entry(sbi, ino, devidx, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) unsigned int devidx, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) struct inode_management *im = &sbi->im[type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) struct ino_entry *e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) bool is_dirty = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) e = radix_tree_lookup(&im->ino_root, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (e && f2fs_test_bit(devidx, (char *)&e->dirty_device))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) is_dirty = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) return is_dirty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) struct inode_management *im = &sbi->im[ORPHAN_INO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) if (time_to_inject(sbi, FAULT_ORPHAN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) f2fs_show_injection_info(sbi, FAULT_ORPHAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) if (unlikely(im->ino_num >= sbi->max_orphans))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) err = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) im->ino_num++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) struct inode_management *im = &sbi->im[ORPHAN_INO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) spin_lock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) f2fs_bug_on(sbi, im->ino_num == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) im->ino_num--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) spin_unlock(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) void f2fs_add_orphan_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) /* add new orphan ino entry into list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) __add_ino_entry(F2FS_I_SB(inode), inode->i_ino, 0, ORPHAN_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) f2fs_update_inode_page(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) /* remove orphan entry from orphan list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) __remove_ino_entry(sbi, ino, ORPHAN_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) static int recover_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) struct node_info ni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) inode = f2fs_iget_retry(sbi->sb, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (IS_ERR(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) * there should be a bug that we can't find the entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) * to orphan inode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) f2fs_bug_on(sbi, PTR_ERR(inode) == -ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) return PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) err = dquot_initialize(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) clear_nlink(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) /* truncate all the data during iput */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) err = f2fs_get_node_info(sbi, ino, &ni, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) /* ENOMEM was fully retried in f2fs_evict_inode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (ni.blk_addr != NULL_ADDR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) err = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) set_sbi_flag(sbi, SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) f2fs_warn(sbi, "%s: orphan failed (ino=%x), run fsck to fix.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) __func__, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) block_t start_blk, orphan_blocks, i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) unsigned int s_flags = sbi->sb->s_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) #ifdef CONFIG_QUOTA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) int quota_enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) if (bdev_read_only(sbi->sb->s_bdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) f2fs_info(sbi, "write access unavailable, skipping orphan cleanup");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) if (s_flags & SB_RDONLY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) f2fs_info(sbi, "orphan cleanup on readonly fs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) sbi->sb->s_flags &= ~SB_RDONLY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) #ifdef CONFIG_QUOTA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) /* Needed for iput() to work correctly and not trash data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) sbi->sb->s_flags |= SB_ACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) * Turn on quotas which were not enabled for read-only mounts if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) * filesystem has quota feature, so that they are updated correctly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) quota_enabled = f2fs_enable_quota_files(sbi, s_flags & SB_RDONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) orphan_blocks = __start_sum_addr(sbi) - 1 - __cp_payload(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) f2fs_ra_meta_pages(sbi, start_blk, orphan_blocks, META_CP, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) for (i = 0; i < orphan_blocks; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) struct f2fs_orphan_block *orphan_blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) page = f2fs_get_meta_page(sbi, start_blk + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) if (IS_ERR(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) err = PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) orphan_blk = (struct f2fs_orphan_block *)page_address(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) for (j = 0; j < le32_to_cpu(orphan_blk->entry_count); j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) nid_t ino = le32_to_cpu(orphan_blk->ino[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) err = recover_orphan_inode(sbi, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) /* clear Orphan Flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) set_sbi_flag(sbi, SBI_IS_RECOVERED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) #ifdef CONFIG_QUOTA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) /* Turn quotas off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) if (quota_enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) f2fs_quota_off_umount(sbi->sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) struct list_head *head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) struct f2fs_orphan_block *orphan_blk = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) unsigned int nentries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) unsigned short index = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) unsigned short orphan_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) struct page *page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) struct ino_entry *orphan = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) struct inode_management *im = &sbi->im[ORPHAN_INO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) orphan_blocks = GET_ORPHAN_BLOCKS(im->ino_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) * we don't need to do spin_lock(&im->ino_lock) here, since all the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) * orphan inode operations are covered under f2fs_lock_op().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) * And, spin_lock should be avoided due to page operations below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) head = &im->ino_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) /* loop for each orphan inode entry and write them in Jornal block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) list_for_each_entry(orphan, head, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) if (!page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) page = f2fs_grab_meta_page(sbi, start_blk++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) orphan_blk =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) (struct f2fs_orphan_block *)page_address(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) memset(orphan_blk, 0, sizeof(*orphan_blk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) orphan_blk->ino[nentries++] = cpu_to_le32(orphan->ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) if (nentries == F2FS_ORPHANS_PER_BLOCK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) * an orphan block is full of 1020 entries,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) * then we need to flush current orphan blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) * and bring another one in memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) orphan_blk->blk_addr = cpu_to_le16(index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) orphan_blk->blk_count = cpu_to_le16(orphan_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) orphan_blk->entry_count = cpu_to_le32(nentries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) set_page_dirty(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) nentries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) if (page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) orphan_blk->blk_addr = cpu_to_le16(index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) orphan_blk->blk_count = cpu_to_le16(orphan_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) orphan_blk->entry_count = cpu_to_le32(nentries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) set_page_dirty(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) static __u32 f2fs_checkpoint_chksum(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) struct f2fs_checkpoint *ckpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) unsigned int chksum_ofs = le32_to_cpu(ckpt->checksum_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) __u32 chksum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) chksum = f2fs_crc32(sbi, ckpt, chksum_ofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) if (chksum_ofs < CP_CHKSUM_OFFSET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) chksum_ofs += sizeof(chksum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) chksum = f2fs_chksum(sbi, chksum, (__u8 *)ckpt + chksum_ofs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) F2FS_BLKSIZE - chksum_ofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) return chksum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) static int get_checkpoint_version(struct f2fs_sb_info *sbi, block_t cp_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) struct f2fs_checkpoint **cp_block, struct page **cp_page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) unsigned long long *version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) size_t crc_offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) __u32 crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) *cp_page = f2fs_get_meta_page(sbi, cp_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) if (IS_ERR(*cp_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) return PTR_ERR(*cp_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) *cp_block = (struct f2fs_checkpoint *)page_address(*cp_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) crc_offset = le32_to_cpu((*cp_block)->checksum_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) if (crc_offset < CP_MIN_CHKSUM_OFFSET ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) crc_offset > CP_CHKSUM_OFFSET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) f2fs_put_page(*cp_page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) f2fs_warn(sbi, "invalid crc_offset: %zu", crc_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) crc = f2fs_checkpoint_chksum(sbi, *cp_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) if (crc != cur_cp_crc(*cp_block)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) f2fs_put_page(*cp_page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) f2fs_warn(sbi, "invalid crc value");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) *version = cur_cp_version(*cp_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) block_t cp_addr, unsigned long long *version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) struct page *cp_page_1 = NULL, *cp_page_2 = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) struct f2fs_checkpoint *cp_block = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) unsigned long long cur_version = 0, pre_version = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) unsigned int cp_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) err = get_checkpoint_version(sbi, cp_addr, &cp_block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) &cp_page_1, version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) cp_blocks = le32_to_cpu(cp_block->cp_pack_total_block_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) if (cp_blocks > sbi->blocks_per_seg || cp_blocks <= F2FS_CP_PACKS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) f2fs_warn(sbi, "invalid cp_pack_total_block_count:%u",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) le32_to_cpu(cp_block->cp_pack_total_block_count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) goto invalid_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) pre_version = *version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) cp_addr += cp_blocks - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) err = get_checkpoint_version(sbi, cp_addr, &cp_block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) &cp_page_2, version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) goto invalid_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) cur_version = *version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) if (cur_version == pre_version) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) *version = cur_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) f2fs_put_page(cp_page_2, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) return cp_page_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) f2fs_put_page(cp_page_2, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) invalid_cp:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) f2fs_put_page(cp_page_1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) struct f2fs_checkpoint *cp_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) struct f2fs_super_block *fsb = sbi->raw_super;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) struct page *cp1, *cp2, *cur_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) unsigned long blk_size = sbi->blocksize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) unsigned long long cp1_version = 0, cp2_version = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) unsigned long long cp_start_blk_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) unsigned int cp_blks = 1 + __cp_payload(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) block_t cp_blk_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) sbi->ckpt = f2fs_kvzalloc(sbi, array_size(blk_size, cp_blks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) if (!sbi->ckpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) * Finding out valid cp block involves read both
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) * sets( cp pack 1 and cp pack 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) cp_start_blk_no = le32_to_cpu(fsb->cp_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) cp1 = validate_checkpoint(sbi, cp_start_blk_no, &cp1_version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) /* The second checkpoint pack should start at the next segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) cp_start_blk_no += ((unsigned long long)1) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) le32_to_cpu(fsb->log_blocks_per_seg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) cp2 = validate_checkpoint(sbi, cp_start_blk_no, &cp2_version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) if (cp1 && cp2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) if (ver_after(cp2_version, cp1_version))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) cur_page = cp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) cur_page = cp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) } else if (cp1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) cur_page = cp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) } else if (cp2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) cur_page = cp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) err = -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) goto fail_no_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) cp_block = (struct f2fs_checkpoint *)page_address(cur_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) memcpy(sbi->ckpt, cp_block, blk_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) if (cur_page == cp1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) sbi->cur_cp_pack = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) sbi->cur_cp_pack = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) /* Sanity checking of checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) if (f2fs_sanity_check_ckpt(sbi)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) err = -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) goto free_fail_no_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) if (cp_blks <= 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) cp_blk_no = le32_to_cpu(fsb->cp_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) if (cur_page == cp2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) cp_blk_no += 1 << le32_to_cpu(fsb->log_blocks_per_seg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) for (i = 1; i < cp_blks; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) void *sit_bitmap_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) unsigned char *ckpt = (unsigned char *)sbi->ckpt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) cur_page = f2fs_get_meta_page(sbi, cp_blk_no + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) if (IS_ERR(cur_page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) err = PTR_ERR(cur_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) goto free_fail_no_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) sit_bitmap_ptr = page_address(cur_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) memcpy(ckpt + i * blk_size, sit_bitmap_ptr, blk_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) f2fs_put_page(cur_page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) f2fs_put_page(cp1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) f2fs_put_page(cp2, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) free_fail_no_cp:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) f2fs_put_page(cp1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) f2fs_put_page(cp2, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) fail_no_cp:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) kvfree(sbi->ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) static void __add_dirty_inode(struct inode *inode, enum inode_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) if (is_inode_flag_set(inode, flag))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) set_inode_flag(inode, flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) if (!f2fs_is_volatile_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) list_add_tail(&F2FS_I(inode)->dirty_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) &sbi->inode_list[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) stat_inc_dirty_inode(sbi, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) static void __remove_dirty_inode(struct inode *inode, enum inode_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) int flag = (type == DIR_INODE) ? FI_DIRTY_DIR : FI_DIRTY_FILE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) if (get_dirty_pages(inode) || !is_inode_flag_set(inode, flag))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) list_del_init(&F2FS_I(inode)->dirty_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) clear_inode_flag(inode, flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) stat_dec_dirty_inode(F2FS_I_SB(inode), type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) void f2fs_update_dirty_page(struct inode *inode, struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) !S_ISLNK(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) spin_lock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) if (type != FILE_INODE || test_opt(sbi, DATA_FLUSH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) __add_dirty_inode(inode, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) inode_inc_dirty_pages(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) spin_unlock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) set_page_private_reference(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) void f2fs_remove_dirty_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) enum inode_type type = S_ISDIR(inode->i_mode) ? DIR_INODE : FILE_INODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) !S_ISLNK(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) if (type == FILE_INODE && !test_opt(sbi, DATA_FLUSH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) spin_lock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) __remove_dirty_inode(inode, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) spin_unlock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) struct list_head *head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) struct f2fs_inode_info *fi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) bool is_dir = (type == DIR_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) unsigned long ino = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) get_pages(sbi, is_dir ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) retry:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) if (unlikely(f2fs_cp_error(sbi))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) get_pages(sbi, is_dir ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) spin_lock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) head = &sbi->inode_list[type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) if (list_empty(head)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) spin_unlock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) get_pages(sbi, is_dir ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) fi = list_first_entry(head, struct f2fs_inode_info, dirty_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) inode = igrab(&fi->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) spin_unlock(&sbi->inode_lock[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) if (inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) unsigned long cur_ino = inode->i_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) F2FS_I(inode)->cp_task = current;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) filemap_fdatawrite(inode->i_mapping);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) F2FS_I(inode)->cp_task = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) /* We need to give cpu to another writers. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) if (ino == cur_ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) ino = cur_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) * We should submit bio, since it exists several
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) * wribacking dentry pages in the freeing inode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) f2fs_submit_merged_write(sbi, DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) goto retry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) struct list_head *head = &sbi->inode_list[DIRTY_META];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) struct f2fs_inode_info *fi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) s64 total = get_pages(sbi, F2FS_DIRTY_IMETA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) while (total--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) spin_lock(&sbi->inode_lock[DIRTY_META]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) if (list_empty(head)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) spin_unlock(&sbi->inode_lock[DIRTY_META]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) fi = list_first_entry(head, struct f2fs_inode_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) gdirty_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) inode = igrab(&fi->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) spin_unlock(&sbi->inode_lock[DIRTY_META]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) if (inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) sync_inode_metadata(inode, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) /* it's on eviction */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) if (is_inode_flag_set(inode, FI_DIRTY_INODE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) f2fs_update_inode_page(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) static void __prepare_cp_block(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) struct f2fs_nm_info *nm_i = NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) nid_t last_nid = nm_i->next_scan_nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) next_free_nid(sbi, &last_nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) ckpt->valid_block_count = cpu_to_le64(valid_user_blocks(sbi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) ckpt->valid_node_count = cpu_to_le32(valid_node_count(sbi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) ckpt->valid_inode_count = cpu_to_le32(valid_inode_count(sbi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) ckpt->next_free_nid = cpu_to_le32(last_nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) static bool __need_flush_quota(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) bool ret = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) if (!is_journalled_quota(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) if (!f2fs_down_write_trylock(&sbi->quota_sem))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) ret = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) } else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) ret = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) } else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) clear_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) ret = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) } else if (get_pages(sbi, F2FS_DIRTY_QDATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) ret = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) f2fs_up_write(&sbi->quota_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) * Freeze all the FS-operations for checkpoint.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) static int block_operations(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) struct writeback_control wbc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) .sync_mode = WB_SYNC_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) .nr_to_write = LONG_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) .for_reclaim = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) int err = 0, cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) * Let's flush inline_data in dirty node pages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) f2fs_flush_inline_data(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) retry_flush_quotas:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) f2fs_lock_all(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) if (__need_flush_quota(sbi)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) int locked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) if (++cnt > DEFAULT_RETRY_QUOTA_FLUSH_COUNT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) set_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) goto retry_flush_dents;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) f2fs_unlock_all(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) /* only failed during mount/umount/freeze/quotactl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) locked = down_read_trylock(&sbi->sb->s_umount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) f2fs_quota_sync(sbi->sb, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) if (locked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) up_read(&sbi->sb->s_umount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) goto retry_flush_quotas;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) retry_flush_dents:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) /* write all the dirty dentry pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) f2fs_unlock_all(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) err = f2fs_sync_dirty_inodes(sbi, DIR_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) goto retry_flush_quotas;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) * POR: we should ensure that there are no dirty node pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) * until finishing nat/sit flush. inode->i_blocks can be updated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) f2fs_down_write(&sbi->node_change);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) f2fs_up_write(&sbi->node_change);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) f2fs_unlock_all(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) err = f2fs_sync_inode_meta(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) goto retry_flush_quotas;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) retry_flush_nodes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) f2fs_down_write(&sbi->node_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) if (get_pages(sbi, F2FS_DIRTY_NODES)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) f2fs_up_write(&sbi->node_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) atomic_inc(&sbi->wb_sync_req[NODE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) err = f2fs_sync_node_pages(sbi, &wbc, false, FS_CP_NODE_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) atomic_dec(&sbi->wb_sync_req[NODE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) f2fs_up_write(&sbi->node_change);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) f2fs_unlock_all(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) goto retry_flush_nodes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) * sbi->node_change is used only for AIO write_begin path which produces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) * dirty node blocks and some checkpoint values by block allocation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) __prepare_cp_block(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) f2fs_up_write(&sbi->node_change);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) static void unblock_operations(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) f2fs_up_write(&sbi->node_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) f2fs_unlock_all(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) DEFINE_WAIT(wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) if (!get_pages(sbi, type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) if (type == F2FS_DIRTY_META)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) f2fs_sync_meta_pages(sbi, META, LONG_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) FS_CP_META_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) else if (type == F2FS_WB_CP_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) f2fs_submit_merged_write(sbi, DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) prepare_to_wait(&sbi->cp_wait, &wait, TASK_UNINTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) io_schedule_timeout(DEFAULT_IO_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) finish_wait(&sbi->cp_wait, &wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) spin_lock_irqsave(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) if ((cpc->reason & CP_UMOUNT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) le32_to_cpu(ckpt->cp_pack_total_block_count) >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) disable_nat_bits(sbi, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) if (cpc->reason & CP_TRIMMED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) __set_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) __clear_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) if (cpc->reason & CP_UMOUNT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) __set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) __clear_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) if (cpc->reason & CP_FASTBOOT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) __set_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) __clear_ckpt_flags(ckpt, CP_FASTBOOT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) if (orphan_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) __set_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) __set_ckpt_flags(ckpt, CP_FSCK_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) if (is_sbi_flag_set(sbi, SBI_IS_RESIZEFS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) __set_ckpt_flags(ckpt, CP_RESIZEFS_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) __clear_ckpt_flags(ckpt, CP_RESIZEFS_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) __set_ckpt_flags(ckpt, CP_DISABLED_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) __clear_ckpt_flags(ckpt, CP_DISABLED_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) if (is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) __set_ckpt_flags(ckpt, CP_DISABLED_QUICK_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) __clear_ckpt_flags(ckpt, CP_DISABLED_QUICK_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) __clear_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) /* set this flag to activate crc|cp_ver for recovery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) __set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) __clear_ckpt_flags(ckpt, CP_NOCRC_RECOVERY_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) spin_unlock_irqrestore(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) static void commit_checkpoint(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) void *src, block_t blk_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) struct writeback_control wbc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) .for_reclaim = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) * pagevec_lookup_tag and lock_page again will take
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) * some extra time. Therefore, f2fs_update_meta_pages and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) * f2fs_sync_meta_pages are combined in this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) struct page *page = f2fs_grab_meta_page(sbi, blk_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) f2fs_wait_on_page_writeback(page, META, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) memcpy(page_address(page), src, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) set_page_dirty(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) if (unlikely(!clear_page_dirty_for_io(page)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) f2fs_bug_on(sbi, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) /* writeout cp pack 2 page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) err = __f2fs_write_meta_page(page, &wbc, FS_CP_META_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) if (unlikely(err && f2fs_cp_error(sbi))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) f2fs_bug_on(sbi, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) f2fs_put_page(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) /* submit checkpoint (with barrier if NOBARRIER is not set) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) f2fs_submit_merged_write(sbi, META_FLUSH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) static inline u64 get_sectors_written(struct block_device *bdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) return (u64)part_stat_read(bdev->bd_part, sectors[STAT_WRITE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) if (f2fs_is_multi_device(sbi)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) u64 sectors = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) for (i = 0; i < sbi->s_ndevs; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) sectors += get_sectors_written(FDEV(i).bdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) return sectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) return get_sectors_written(sbi->sb->s_bdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) struct f2fs_nm_info *nm_i = NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) unsigned long orphan_num = sbi->im[ORPHAN_INO].ino_num, flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) block_t start_blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) unsigned int data_sum_blocks, orphan_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) __u32 crc32 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) int cp_payload_blks = __cp_payload(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) u64 kbytes_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) /* Flush all the NAT/SIT pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) /* start to update checkpoint, cp ver is already updated previously */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) ckpt->elapsed_time = cpu_to_le64(get_mtime(sbi, true));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) ckpt->free_segment_count = cpu_to_le32(free_segments(sbi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) ckpt->cur_node_segno[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) cpu_to_le32(curseg_segno(sbi, i + CURSEG_HOT_NODE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) ckpt->cur_node_blkoff[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) cpu_to_le16(curseg_blkoff(sbi, i + CURSEG_HOT_NODE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) ckpt->alloc_type[i + CURSEG_HOT_NODE] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) curseg_alloc_type(sbi, i + CURSEG_HOT_NODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) ckpt->cur_data_segno[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) cpu_to_le32(curseg_segno(sbi, i + CURSEG_HOT_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) ckpt->cur_data_blkoff[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) cpu_to_le16(curseg_blkoff(sbi, i + CURSEG_HOT_DATA));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) ckpt->alloc_type[i + CURSEG_HOT_DATA] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) curseg_alloc_type(sbi, i + CURSEG_HOT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) /* 2 cp + n data seg summary + orphan inode blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) data_sum_blocks = f2fs_npages_for_summary_flush(sbi, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) spin_lock_irqsave(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) if (data_sum_blocks < NR_CURSEG_DATA_TYPE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) __set_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) __clear_ckpt_flags(ckpt, CP_COMPACT_SUM_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) spin_unlock_irqrestore(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) orphan_blocks = GET_ORPHAN_BLOCKS(orphan_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) orphan_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) if (__remain_node_summaries(cpc->reason))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) cp_payload_blks + data_sum_blocks +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) orphan_blocks + NR_CURSEG_NODE_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) cp_payload_blks + data_sum_blocks +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) orphan_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) /* update ckpt flag for checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) update_ckpt_flags(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) /* update SIT/NAT bitmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) get_sit_bitmap(sbi, __bitmap_ptr(sbi, SIT_BITMAP));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) get_nat_bitmap(sbi, __bitmap_ptr(sbi, NAT_BITMAP));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) crc32 = f2fs_checkpoint_chksum(sbi, ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) *((__le32 *)((unsigned char *)ckpt +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) le32_to_cpu(ckpt->checksum_offset)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) = cpu_to_le32(crc32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) start_blk = __start_cp_next_addr(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) /* write nat bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) if (enabled_nat_bits(sbi, cpc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) __u64 cp_ver = cur_cp_version(ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) block_t blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) cp_ver |= ((__u64)crc32 << 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) *(__le64 *)nm_i->nat_bits = cpu_to_le64(cp_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) blk = start_blk + sbi->blocks_per_seg - nm_i->nat_bits_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) for (i = 0; i < nm_i->nat_bits_blocks; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) f2fs_update_meta_page(sbi, nm_i->nat_bits +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) (i << F2FS_BLKSIZE_BITS), blk + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) /* write out checkpoint buffer at block 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) f2fs_update_meta_page(sbi, ckpt, start_blk++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) for (i = 1; i < 1 + cp_payload_blks; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) f2fs_update_meta_page(sbi, (char *)ckpt + i * F2FS_BLKSIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) start_blk++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) if (orphan_num) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) write_orphan_inodes(sbi, start_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) start_blk += orphan_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) f2fs_write_data_summaries(sbi, start_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) start_blk += data_sum_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) /* Record write statistics in the hot node summary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) kbytes_written = sbi->kbytes_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) kbytes_written += (f2fs_get_sectors_written(sbi) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) sbi->sectors_written_start) >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) if (__remain_node_summaries(cpc->reason)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) f2fs_write_node_summaries(sbi, start_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) start_blk += NR_CURSEG_NODE_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) /* update user_block_counts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) sbi->last_valid_block_count = sbi->total_valid_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) percpu_counter_set(&sbi->alloc_valid_block_count, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) /* Here, we have one bio having CP pack except cp pack 2 page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) /* Wait for all dirty meta pages to be submitted for IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) f2fs_wait_on_all_pages(sbi, F2FS_DIRTY_META);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) /* wait for previous submitted meta pages writeback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) /* flush all device cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) err = f2fs_flush_device_cache(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) /* barrier and flush checkpoint cp pack 2 page if it can */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) commit_checkpoint(sbi, ckpt, start_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) f2fs_wait_on_all_pages(sbi, F2FS_WB_CP_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) * invalidate intermediate page cache borrowed from meta inode which are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) * used for migration of encrypted, verity or compressed inode's blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) if (f2fs_sb_has_encrypt(sbi) || f2fs_sb_has_verity(sbi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) f2fs_sb_has_compression(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) invalidate_mapping_pages(META_MAPPING(sbi),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) MAIN_BLKADDR(sbi), MAX_BLKADDR(sbi) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) f2fs_release_ino_entry(sbi, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) f2fs_reset_fsync_node_info(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) clear_sbi_flag(sbi, SBI_IS_DIRTY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) clear_sbi_flag(sbi, SBI_NEED_CP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) clear_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) spin_lock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) sbi->unusable_block_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) __set_cp_next_pack(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) * redirty superblock if metadata like node page or inode cache is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) * updated during writing checkpoint.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) if (get_pages(sbi, F2FS_DIRTY_NODES) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) get_pages(sbi, F2FS_DIRTY_IMETA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) set_sbi_flag(sbi, SBI_IS_DIRTY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) f2fs_bug_on(sbi, get_pages(sbi, F2FS_DIRTY_DENTS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) return unlikely(f2fs_cp_error(sbi)) ? -EIO : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) unsigned long long ckpt_ver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) if (f2fs_readonly(sbi->sb) || f2fs_hw_is_readonly(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) return -EROFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) if (cpc->reason != CP_PAUSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) f2fs_warn(sbi, "Start checkpoint disabled!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) if (cpc->reason != CP_RESIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) f2fs_down_write(&sbi->cp_global_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) ((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) ((cpc->reason & CP_DISCARD) && !sbi->discard_blks)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) if (unlikely(f2fs_cp_error(sbi))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) err = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) err = block_operations(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) f2fs_flush_merged_writes(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) /* this is the case of multiple fstrims without any changes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) if (cpc->reason & CP_DISCARD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) if (!f2fs_exist_trim_candidates(sbi, cpc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) unblock_operations(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) if (NM_I(sbi)->nat_cnt[DIRTY_NAT] == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) SIT_I(sbi)->dirty_sentries == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) prefree_segments(sbi) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) f2fs_flush_sit_entries(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) f2fs_clear_prefree_segments(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) unblock_operations(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) * update checkpoint pack index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) * Increase the version number so that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) * SIT entries and seg summaries are written at correct place
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) ckpt_ver = cur_cp_version(ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) /* write cached NAT/SIT entries to NAT/SIT area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) err = f2fs_flush_nat_entries(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) goto stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) f2fs_flush_sit_entries(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) /* save inmem log status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) f2fs_save_inmem_curseg(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) err = do_checkpoint(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) f2fs_release_discard_addrs(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) f2fs_clear_prefree_segments(sbi, cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) f2fs_restore_inmem_curseg(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) stop:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) unblock_operations(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) stat_inc_cp_count(sbi->stat_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) if (cpc->reason & CP_RECOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) f2fs_notice(sbi, "checkpoint: version = %llx", ckpt_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) /* update CP_TIME to trigger checkpoint periodically */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) f2fs_update_time(sbi, CP_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) if (cpc->reason != CP_RESIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) f2fs_up_write(&sbi->cp_global_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) for (i = 0; i < MAX_INO_ENTRY; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) struct inode_management *im = &sbi->im[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) INIT_RADIX_TREE(&im->ino_root, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) spin_lock_init(&im->ino_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) INIT_LIST_HEAD(&im->ino_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) im->ino_num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) NR_CURSEG_PERSIST_TYPE - __cp_payload(sbi)) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) F2FS_ORPHANS_PER_BLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) int __init f2fs_create_checkpoint_caches(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) ino_entry_slab = f2fs_kmem_cache_create("f2fs_ino_entry",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) sizeof(struct ino_entry));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) if (!ino_entry_slab)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) f2fs_inode_entry_slab = f2fs_kmem_cache_create("f2fs_inode_entry",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) sizeof(struct inode_entry));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) if (!f2fs_inode_entry_slab) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) kmem_cache_destroy(ino_entry_slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) void f2fs_destroy_checkpoint_caches(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) kmem_cache_destroy(ino_entry_slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) kmem_cache_destroy(f2fs_inode_entry_slab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) static int __write_checkpoint_sync(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) struct cp_control cpc = { .reason = CP_SYNC, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) f2fs_down_write(&sbi->gc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) err = f2fs_write_checkpoint(sbi, &cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) f2fs_up_write(&sbi->gc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) static void __checkpoint_and_complete_reqs(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) struct ckpt_req *req, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) struct llist_node *dispatch_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) u64 sum_diff = 0, diff, count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) dispatch_list = llist_del_all(&cprc->issue_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) if (!dispatch_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) dispatch_list = llist_reverse_order(dispatch_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) ret = __write_checkpoint_sync(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) atomic_inc(&cprc->issued_ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) llist_for_each_entry_safe(req, next, dispatch_list, llnode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) diff = (u64)ktime_ms_delta(ktime_get(), req->queue_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) req->ret = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) complete(&req->wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) sum_diff += diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) atomic_sub(count, &cprc->queued_ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) atomic_add(count, &cprc->total_ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) spin_lock(&cprc->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) cprc->cur_time = (unsigned int)div64_u64(sum_diff, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) if (cprc->peak_time < cprc->cur_time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) cprc->peak_time = cprc->cur_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) spin_unlock(&cprc->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) static int issue_checkpoint_thread(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) struct f2fs_sb_info *sbi = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) wait_queue_head_t *q = &cprc->ckpt_wait_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) repeat:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) if (kthread_should_stop())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) if (!llist_empty(&cprc->issue_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) __checkpoint_and_complete_reqs(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) wait_event_interruptible(*q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) kthread_should_stop() || !llist_empty(&cprc->issue_list));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) goto repeat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) static void flush_remained_ckpt_reqs(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) struct ckpt_req *wait_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) if (!llist_empty(&cprc->issue_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) __checkpoint_and_complete_reqs(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) /* already dispatched by issue_checkpoint_thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) if (wait_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) wait_for_completion(&wait_req->wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) static void init_ckpt_req(struct ckpt_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) memset(req, 0, sizeof(struct ckpt_req));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) init_completion(&req->wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) req->queue_time = ktime_get();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) struct ckpt_req req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) struct cp_control cpc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) cpc.reason = __get_cp_reason(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) if (!test_opt(sbi, MERGE_CHECKPOINT) || cpc.reason != CP_SYNC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) f2fs_down_write(&sbi->gc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) ret = f2fs_write_checkpoint(sbi, &cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) f2fs_up_write(&sbi->gc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) if (!cprc->f2fs_issue_ckpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) return __write_checkpoint_sync(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) init_ckpt_req(&req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) llist_add(&req.llnode, &cprc->issue_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) atomic_inc(&cprc->queued_ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) * update issue_list before we wake up issue_checkpoint thread,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) * this smp_mb() pairs with another barrier in ___wait_event(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) * see more details in comments of waitqueue_active().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) smp_mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) if (waitqueue_active(&cprc->ckpt_wait_queue))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) wake_up(&cprc->ckpt_wait_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) if (cprc->f2fs_issue_ckpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) wait_for_completion(&req.wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) flush_remained_ckpt_reqs(sbi, &req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) return req.ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) dev_t dev = sbi->sb->s_bdev->bd_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) if (cprc->f2fs_issue_ckpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) cprc->f2fs_issue_ckpt = kthread_run(issue_checkpoint_thread, sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) "f2fs_ckpt-%u:%u", MAJOR(dev), MINOR(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) if (IS_ERR(cprc->f2fs_issue_ckpt)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) cprc->f2fs_issue_ckpt = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) set_task_ioprio(cprc->f2fs_issue_ckpt, cprc->ckpt_thread_ioprio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) if (cprc->f2fs_issue_ckpt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) struct task_struct *ckpt_task = cprc->f2fs_issue_ckpt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) cprc->f2fs_issue_ckpt = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) kthread_stop(ckpt_task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) flush_remained_ckpt_reqs(sbi, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) atomic_set(&cprc->issued_ckpt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) atomic_set(&cprc->total_ckpt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) atomic_set(&cprc->queued_ckpt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) cprc->ckpt_thread_ioprio = DEFAULT_CHECKPOINT_IOPRIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) init_waitqueue_head(&cprc->ckpt_wait_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) init_llist_head(&cprc->issue_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) spin_lock_init(&cprc->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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