^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/inline.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2013, Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Authors: Huajun Li <huajun.li@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Haicheng Li <haicheng.li@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/f2fs_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/fiemap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "f2fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "node.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <trace/events/f2fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <trace/events/android_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) bool f2fs_may_inline_data(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) if (f2fs_is_atomic_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) if (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) if (i_size_read(inode) > MAX_INLINE_DATA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) if (f2fs_post_read_required(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) bool f2fs_may_inline_dentry(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (!test_opt(F2FS_I_SB(inode), INLINE_DENTRY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) if (!S_ISDIR(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void f2fs_do_read_inline_data(struct page *page, struct page *ipage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct inode *inode = page->mapping->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void *src_addr, *dst_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) f2fs_bug_on(F2FS_P_SB(page), page->index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) zero_user_segment(page, MAX_INLINE_DATA(inode), PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* Copy the whole inline data block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) src_addr = inline_data_addr(inode, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) dst_addr = kmap_atomic(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) flush_dcache_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) kunmap_atomic(dst_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) if (!PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) SetPageUptodate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) void f2fs_truncate_inline_inode(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct page *ipage, u64 from)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) void *addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (from >= MAX_INLINE_DATA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) addr = inline_data_addr(inode, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) f2fs_wait_on_page_writeback(ipage, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) memset(addr + from, 0, MAX_INLINE_DATA(inode) - from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) set_page_dirty(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (from == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) clear_inode_flag(inode, FI_DATA_EXIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int f2fs_read_inline_data(struct inode *inode, struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (trace_android_fs_dataread_start_enabled()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) path = android_fstrace_get_pathname(pathbuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) MAX_TRACE_PATHBUF_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) trace_android_fs_dataread_start(inode, page_offset(page),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) PAGE_SIZE, current->pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) path, current->comm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (IS_ERR(ipage)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) trace_android_fs_dataread_end(inode, page_offset(page),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) unlock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if (!f2fs_has_inline_data(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) trace_android_fs_dataread_end(inode, page_offset(page),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (page->index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) zero_user_segment(page, 0, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) f2fs_do_read_inline_data(page, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (!PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) SetPageUptodate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) trace_android_fs_dataread_end(inode, page_offset(page),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) unlock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) struct f2fs_io_info fio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .sbi = F2FS_I_SB(dn->inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .ino = dn->inode->i_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .type = DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .op = REQ_OP_WRITE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .op_flags = REQ_SYNC | REQ_PRIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .page = page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .encrypted_page = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .io_type = FS_DATA_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct node_info ni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) int dirty, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (!f2fs_exist_data(dn->inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) goto clear_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) err = f2fs_reserve_block(dn, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) err = f2fs_get_node_info(fio.sbi, dn->nid, &ni, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) f2fs_truncate_data_blocks_range(dn, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) f2fs_put_dnode(dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) fio.version = ni.version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (unlikely(dn->data_blkaddr != NEW_ADDR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) f2fs_put_dnode(dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) set_sbi_flag(fio.sbi, SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) f2fs_warn(fio.sbi, "%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, run fsck to fix.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) __func__, dn->inode->i_ino, dn->data_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) f2fs_bug_on(F2FS_P_SB(page), PageWriteback(page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) f2fs_do_read_inline_data(page, dn->inode_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) set_page_dirty(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* clear dirty state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) dirty = clear_page_dirty_for_io(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) /* write data page to try to make data consistent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) set_page_writeback(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) ClearPageError(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) fio.old_blkaddr = dn->data_blkaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) set_inode_flag(dn->inode, FI_HOT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) f2fs_outplace_write_data(dn, &fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) f2fs_wait_on_page_writeback(page, DATA, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) if (dirty) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) inode_dec_dirty_pages(dn->inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) f2fs_remove_dirty_inode(dn->inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /* this converted inline_data should be recovered. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) set_inode_flag(dn->inode, FI_APPEND_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /* clear inline data and flag after data writeback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) f2fs_truncate_inline_inode(dn->inode, dn->inode_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) clear_page_private_inline(dn->inode_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) clear_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) stat_dec_inline_inode(dn->inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) clear_inode_flag(dn->inode, FI_INLINE_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) f2fs_put_dnode(dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) int f2fs_convert_inline_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct dnode_of_data dn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct page *ipage, *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) if (!f2fs_has_inline_data(inode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) err = dquot_initialize(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) page = f2fs_grab_cache_page(inode->i_mapping, 0, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (!page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) ipage = f2fs_get_node_page(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) if (IS_ERR(ipage)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) err = PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) set_new_dnode(&dn, inode, ipage, ipage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (f2fs_has_inline_data(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) err = f2fs_convert_inline_page(&dn, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) f2fs_put_dnode(&dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) f2fs_balance_fs(sbi, dn.node_changed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) int f2fs_write_inline_data(struct inode *inode, struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) void *src_addr, *dst_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct dnode_of_data dn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) set_new_dnode(&dn, inode, NULL, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) err = f2fs_get_dnode_of_data(&dn, 0, LOOKUP_NODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (!f2fs_has_inline_data(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) f2fs_put_dnode(&dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) f2fs_bug_on(F2FS_I_SB(inode), page->index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) f2fs_wait_on_page_writeback(dn.inode_page, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) src_addr = kmap_atomic(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) dst_addr = inline_data_addr(inode, dn.inode_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) kunmap_atomic(src_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) set_page_dirty(dn.inode_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) f2fs_clear_page_cache_dirty_tag(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) set_inode_flag(inode, FI_APPEND_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) set_inode_flag(inode, FI_DATA_EXIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) clear_page_private_inline(dn.inode_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) f2fs_put_dnode(&dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) int f2fs_recover_inline_data(struct inode *inode, struct page *npage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) struct f2fs_inode *ri = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) void *src_addr, *dst_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * The inline_data recovery policy is as follows.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) * [prev.] [next] of inline_data flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * o o -> recover inline_data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) * o x -> remove inline_data, and then recover data blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * x o -> remove data blocks, and then recover inline_data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) * x x -> recover data blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) if (IS_INODE(npage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) ri = F2FS_INODE(npage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (f2fs_has_inline_data(inode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) ri && (ri->i_inline & F2FS_INLINE_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) process_inline:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) ipage = f2fs_get_node_page(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (IS_ERR(ipage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) return PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) f2fs_wait_on_page_writeback(ipage, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) src_addr = inline_data_addr(inode, npage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) dst_addr = inline_data_addr(inode, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) memcpy(dst_addr, src_addr, MAX_INLINE_DATA(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) set_inode_flag(inode, FI_INLINE_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) set_inode_flag(inode, FI_DATA_EXIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) set_page_dirty(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (f2fs_has_inline_data(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) ipage = f2fs_get_node_page(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (IS_ERR(ipage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) f2fs_truncate_inline_inode(inode, ipage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) stat_dec_inline_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) clear_inode_flag(inode, FI_INLINE_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) } else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) ret = f2fs_truncate_blocks(inode, 0, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) stat_inc_inline_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) goto process_inline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) struct page **res_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) struct f2fs_dir_entry *de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) void *inline_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) ipage = f2fs_get_node_page(sbi, dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (IS_ERR(ipage)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) *res_page = ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) inline_dentry = inline_data_addr(dir, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) make_dentry_ptr_inline(dir, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) de = f2fs_find_target_dentry(&d, fname, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) unlock_page(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (IS_ERR(de)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) *res_page = ERR_CAST(de);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) de = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (de)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) *res_page = ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) f2fs_put_page(ipage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) return de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) struct page *ipage)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) void *inline_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) inline_dentry = inline_data_addr(inode, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) make_dentry_ptr_inline(inode, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) f2fs_do_make_empty_dir(inode, parent, &d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) set_page_dirty(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) /* update i_size to MAX_INLINE_DATA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (i_size_read(inode) < MAX_INLINE_DATA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) f2fs_i_size_write(inode, MAX_INLINE_DATA(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) * NOTE: ipage is grabbed by caller, but if any error occurs, we should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) * release ipage in this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) void *inline_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) struct dnode_of_data dn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) struct f2fs_dentry_block *dentry_blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) struct f2fs_dentry_ptr src, dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) page = f2fs_grab_cache_page(dir->i_mapping, 0, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (!page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) set_new_dnode(&dn, dir, ipage, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) err = f2fs_reserve_block(&dn, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) if (unlikely(dn.data_blkaddr != NEW_ADDR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) f2fs_put_dnode(&dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) set_sbi_flag(F2FS_P_SB(page), SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) f2fs_warn(F2FS_P_SB(page), "%s: corrupted inline inode ino=%lx, i_addr[0]:0x%x, run fsck to fix.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) __func__, dir->i_ino, dn.data_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) err = -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) f2fs_wait_on_page_writeback(page, DATA, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) dentry_blk = page_address(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) make_dentry_ptr_inline(dir, &src, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) make_dentry_ptr_block(dir, &dst, dentry_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) /* copy data from inline dentry block to new dentry block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) memcpy(dst.bitmap, src.bitmap, src.nr_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) memset(dst.bitmap + src.nr_bitmap, 0, dst.nr_bitmap - src.nr_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) * we do not need to zero out remainder part of dentry and filename
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) * field, since we have used bitmap for marking the usage status of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) * them, besides, we can also ignore copying/zeroing reserved space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) * of dentry block, because them haven't been used so far.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) memcpy(dst.dentry, src.dentry, SIZE_OF_DIR_ENTRY * src.max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) memcpy(dst.filename, src.filename, src.max * F2FS_SLOT_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (!PageUptodate(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) SetPageUptodate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) set_page_dirty(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) /* clear inline dir and flag after data writeback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) f2fs_truncate_inline_inode(dir, ipage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) stat_dec_inline_dir(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) clear_inode_flag(dir, FI_INLINE_DENTRY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) * should retrieve reserved space which was used to keep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) * inline_dentry's structure for backward compatibility.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (!f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(dir)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) !f2fs_has_inline_xattr(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) F2FS_I(dir)->i_inline_xattr_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) f2fs_i_depth_write(dir, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (i_size_read(dir) < PAGE_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) f2fs_i_size_write(dir, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) static int f2fs_add_inline_entries(struct inode *dir, void *inline_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) unsigned long bit_pos = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) make_dentry_ptr_inline(dir, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) while (bit_pos < d.max) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) struct f2fs_dir_entry *de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) struct f2fs_filename fname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) nid_t ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) umode_t fake_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (!test_bit_le(bit_pos, d.bitmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) bit_pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) continue;
^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) de = &d.dentry[bit_pos];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (unlikely(!de->name_len)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) bit_pos++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * We only need the disk_name and hash to move the dentry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * We don't need the original or casefolded filenames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) memset(&fname, 0, sizeof(fname));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) fname.disk_name.name = d.filename[bit_pos];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) fname.disk_name.len = le16_to_cpu(de->name_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) fname.hash = de->hash_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) ino = le32_to_cpu(de->ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) fake_mode = f2fs_get_de_type(de) << S_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) err = f2fs_add_regular_entry(dir, &fname, NULL, ino, fake_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) goto punch_dentry_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) punch_dentry_pages:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) truncate_inode_pages(&dir->i_data, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) f2fs_truncate_blocks(dir, 0, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) f2fs_remove_dirty_inode(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) void *inline_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) void *backup_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) backup_dentry = f2fs_kmalloc(F2FS_I_SB(dir),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) MAX_INLINE_DATA(dir), GFP_F2FS_ZERO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (!backup_dentry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) memcpy(backup_dentry, inline_dentry, MAX_INLINE_DATA(dir));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) f2fs_truncate_inline_inode(dir, ipage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) unlock_page(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) err = f2fs_add_inline_entries(dir, backup_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) goto recover;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) lock_page(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) stat_dec_inline_dir(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) clear_inode_flag(dir, FI_INLINE_DENTRY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) * should retrieve reserved space which was used to keep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) * inline_dentry's structure for backward compatibility.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (!f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(dir)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) !f2fs_has_inline_xattr(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) F2FS_I(dir)->i_inline_xattr_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) kfree(backup_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) recover:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) lock_page(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) f2fs_wait_on_page_writeback(ipage, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) memcpy(inline_dentry, backup_dentry, MAX_INLINE_DATA(dir));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) f2fs_i_depth_write(dir, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) f2fs_i_size_write(dir, MAX_INLINE_DATA(dir));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) set_page_dirty(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) kfree(backup_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) static int do_convert_inline_dir(struct inode *dir, struct page *ipage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) void *inline_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (!F2FS_I(dir)->i_dir_level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) return f2fs_move_inline_dirents(dir, ipage, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) return f2fs_move_rehashed_dirents(dir, ipage, inline_dentry);
^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_try_convert_inline_dir(struct inode *dir, struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) struct f2fs_filename fname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) void *inline_dentry = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (!f2fs_has_inline_dentry(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) err = f2fs_setup_filename(dir, &dentry->d_name, 0, &fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) ipage = f2fs_get_node_page(sbi, dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (IS_ERR(ipage)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) err = PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) goto out_fname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) if (f2fs_has_enough_room(dir, ipage, &fname)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) goto out_fname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) inline_dentry = inline_data_addr(dir, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) err = do_convert_inline_dir(dir, ipage, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) out_fname:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) f2fs_free_filename(&fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) struct inode *inode, nid_t ino, umode_t mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) unsigned int bit_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) void *inline_dentry = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) int slots = GET_DENTRY_SLOTS(fname->disk_name.len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) struct page *page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) ipage = f2fs_get_node_page(sbi, dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) if (IS_ERR(ipage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) return PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) inline_dentry = inline_data_addr(dir, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) make_dentry_ptr_inline(dir, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) bit_pos = f2fs_room_for_filename(d.bitmap, slots, d.max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) if (bit_pos >= d.max) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) err = do_convert_inline_dir(dir, ipage, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) err = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) if (inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) f2fs_down_write(&F2FS_I(inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) page = f2fs_init_inode_metadata(inode, dir, fname, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) if (IS_ERR(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) err = PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) f2fs_wait_on_page_writeback(ipage, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) f2fs_update_dentry(ino, mode, &d, &fname->disk_name, fname->hash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) bit_pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) set_page_dirty(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) /* we don't need to mark_inode_dirty now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) f2fs_i_pino_write(inode, dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) /* synchronize inode page's data from inode cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) if (is_inode_flag_set(inode, FI_NEW_INODE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) f2fs_update_inode(inode, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) f2fs_update_parent_metadata(dir, inode, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) if (inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) f2fs_up_write(&F2FS_I(inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) struct inode *dir, struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) void *inline_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) unsigned int bit_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) lock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) f2fs_wait_on_page_writeback(page, NODE, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) inline_dentry = inline_data_addr(dir, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) make_dentry_ptr_inline(dir, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) bit_pos = dentry - d.dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) for (i = 0; i < slots; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) __clear_bit_le(bit_pos + i, d.bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) set_page_dirty(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) f2fs_put_page(page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) dir->i_ctime = dir->i_mtime = current_time(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) f2fs_mark_inode_dirty_sync(dir, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) if (inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) f2fs_drop_nlink(dir, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) bool f2fs_empty_inline_dir(struct inode *dir)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) unsigned int bit_pos = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) void *inline_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) ipage = f2fs_get_node_page(sbi, dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) if (IS_ERR(ipage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) inline_dentry = inline_data_addr(dir, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) make_dentry_ptr_inline(dir, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) bit_pos = find_next_bit_le(d.bitmap, d.max, bit_pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) if (bit_pos < d.max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) struct fscrypt_str *fstr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) struct inode *inode = file_inode(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) struct page *ipage = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) struct f2fs_dentry_ptr d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) void *inline_dentry = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) make_dentry_ptr_inline(inode, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) if (ctx->pos == d.max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) if (IS_ERR(ipage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) return PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) * f2fs_readdir was protected by inode.i_rwsem, it is safe to access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) * ipage without page's lock held.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) unlock_page(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) inline_dentry = inline_data_addr(inode, ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) make_dentry_ptr_inline(inode, &d, inline_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) err = f2fs_fill_dentries(ctx, &d, 0, fstr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) ctx->pos = d.max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) f2fs_put_page(ipage, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) return err < 0 ? err : 0;
^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) int f2fs_inline_data_fiemap(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) struct fiemap_extent_info *fieinfo, __u64 start, __u64 len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) __u64 byteaddr, ilen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) __u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) FIEMAP_EXTENT_LAST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) struct node_info ni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) struct page *ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) if (IS_ERR(ipage))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) return PTR_ERR(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if ((S_ISREG(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) !f2fs_has_inline_data(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) err = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) if (S_ISDIR(inode->i_mode) && !f2fs_has_inline_dentry(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) err = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) ilen = min_t(size_t, MAX_INLINE_DATA(inode), i_size_read(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) if (start >= ilen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) if (start + len < ilen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) ilen = start + len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) ilen -= start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) err = f2fs_get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) byteaddr += (char *)inline_data_addr(inode, ipage) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) (char *)F2FS_INODE(ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) trace_f2fs_fiemap(inode, start, byteaddr, ilen, flags, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) f2fs_put_page(ipage, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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