^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/namei.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/f2fs_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/pagemap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/random.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/dcache.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/namei.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/quotaops.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 "xattr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "acl.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <trace/events/f2fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) nid_t ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) bool nid_free = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) bool encrypt = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int xattr_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) inode = new_inode(dir->i_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (!inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) if (!f2fs_alloc_nid(sbi, &ino)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) err = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) nid_free = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) inode_init_owner(inode, dir, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) inode->i_ino = ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) inode->i_blocks = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) F2FS_I(inode)->i_crtime = inode->i_mtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) inode->i_generation = prandom_u32();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) if (S_ISDIR(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) F2FS_I(inode)->i_current_depth = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) err = insert_inode_locked(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (f2fs_sb_has_project_quota(sbi) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) (F2FS_I(dir)->i_flags & F2FS_PROJINHERIT_FL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) F2FS_DEF_PROJID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) err = fscrypt_prepare_new_inode(dir, inode, &encrypt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) goto fail_drop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) err = dquot_initialize(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) goto fail_drop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) set_inode_flag(inode, FI_NEW_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (encrypt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) f2fs_set_encrypted_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (f2fs_sb_has_extra_attr(sbi)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) set_inode_flag(inode, FI_EXTRA_ATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) F2FS_I(inode)->i_extra_isize = F2FS_TOTAL_EXTRA_ATTR_SIZE;
^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) if (test_opt(sbi, INLINE_XATTR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) set_inode_flag(inode, FI_INLINE_XATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) set_inode_flag(inode, FI_INLINE_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (f2fs_may_inline_dentry(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) set_inode_flag(inode, FI_INLINE_DENTRY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) f2fs_bug_on(sbi, !f2fs_has_extra_attr(inode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (f2fs_has_inline_xattr(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) xattr_size = F2FS_OPTION(sbi).inline_xattr_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* Otherwise, will be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) } else if (f2fs_has_inline_xattr(inode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) f2fs_has_inline_dentry(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) F2FS_I(inode)->i_inline_xattr_size = xattr_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) f2fs_init_extent_tree(inode, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) stat_inc_inline_xattr(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) stat_inc_inline_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) stat_inc_inline_dir(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) F2FS_I(inode)->i_flags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (S_ISDIR(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) F2FS_I(inode)->i_flags |= F2FS_INDEX_FL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) set_inode_flag(inode, FI_PROJ_INHERIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (f2fs_sb_has_compression(sbi)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* Inherit the compression flag in directory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) f2fs_may_compress(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) set_compress_context(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) f2fs_set_inode_flags(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) trace_f2fs_new_inode(inode, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) trace_f2fs_new_inode(inode, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) make_bad_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (nid_free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) set_inode_flag(inode, FI_FREE_NID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) fail_drop:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) trace_f2fs_new_inode(inode, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) dquot_drop(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) inode->i_flags |= S_NOQUOTA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (nid_free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) set_inode_flag(inode, FI_FREE_NID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) clear_nlink(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) unlock_new_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static inline int is_extension_exist(const unsigned char *s, const char *sub,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) bool tmp_ext)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) size_t slen = strlen(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) size_t sublen = strlen(sub);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (sublen == 1 && *sub == '*')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * filename format of multimedia file should be defined as:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * "filename + '.' + extension + (optional: '.' + temp extension)".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if (slen < sublen + 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (!tmp_ext) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* file has no temp extension */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) if (s[slen - sublen - 1] != '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return !strncasecmp(s + slen - sublen, sub, sublen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) for (i = 1; i < slen - sublen; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (s[i] != '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (!strncasecmp(s + i + 1, sub, sublen))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * Set file's temperature for hot/cold data separation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) const unsigned char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int i, cold_count, hot_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) f2fs_down_read(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) cold_count = le32_to_cpu(sbi->raw_super->extension_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) hot_count = sbi->raw_super->hot_ext_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) for (i = 0; i < cold_count + hot_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) if (is_extension_exist(name, extlist[i], true))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) break;
^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) f2fs_up_read(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (i == cold_count + hot_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (i < cold_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) file_set_cold(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) file_set_hot(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) bool hot, bool set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) int hot_count = sbi->raw_super->hot_ext_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) int total_count = cold_count + hot_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) int start, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if (set) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (total_count == F2FS_MAX_EXTENSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (!hot && !cold_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (hot && !hot_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (hot) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) start = cold_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) count = total_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) start = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) count = cold_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) for (i = start; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (strcmp(name, extlist[i]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) memcpy(extlist[i], extlist[i + 1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) F2FS_EXTENSION_LEN * (total_count - i - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (hot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) sbi->raw_super->hot_ext_count = hot_count - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) sbi->raw_super->extension_count =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) cpu_to_le32(cold_count - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) if (!set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (hot) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) memcpy(extlist[count], name, strlen(name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) sbi->raw_super->hot_ext_count = hot_count + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) memcpy(buf, &extlist[cold_count],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) F2FS_EXTENSION_LEN * hot_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) memcpy(extlist[cold_count], name, strlen(name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) memcpy(&extlist[cold_count + 1], buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) F2FS_EXTENSION_LEN * hot_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) const unsigned char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) unsigned char (*ext)[F2FS_EXTENSION_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) unsigned int ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) int i, cold_count, hot_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (!f2fs_sb_has_compression(sbi) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) is_inode_flag_set(inode, FI_COMPRESSED_FILE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) !f2fs_may_compress(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) f2fs_down_read(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) cold_count = le32_to_cpu(sbi->raw_super->extension_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) hot_count = sbi->raw_super->hot_ext_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) for (i = cold_count; i < cold_count + hot_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (is_extension_exist(name, extlist[i], false)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) f2fs_up_read(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) f2fs_up_read(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) ext = F2FS_OPTION(sbi).extensions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) for (i = 0; i < ext_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) if (!is_extension_exist(name, ext[i], false))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) set_compress_context(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) bool excl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) nid_t ino = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) inode = f2fs_new_inode(dir, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (IS_ERR(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) set_file_temperature(sbi, inode, dentry->d_name.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) set_compress_inode(sbi, inode, dentry->d_name.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) inode->i_op = &f2fs_file_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) inode->i_fop = &f2fs_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) inode->i_mapping->a_ops = &f2fs_dblock_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) ino = inode->i_ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) err = f2fs_add_link(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) f2fs_alloc_nid_done(sbi, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) d_instantiate_new(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (IS_DIRSYNC(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) f2fs_handle_failed_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct inode *inode = d_inode(old_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) err = fscrypt_prepare_link(old_dentry, dir, dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) (!projid_eq(F2FS_I(dir)->i_projid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) F2FS_I(old_dentry->d_inode)->i_projid)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) return -EXDEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) inode->i_ctime = current_time(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) ihold(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) set_inode_flag(inode, FI_INC_LINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) err = f2fs_add_link(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) d_instantiate(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (IS_DIRSYNC(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) clear_inode_flag(inode, FI_INC_LINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) return err;
^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) struct dentry *f2fs_get_parent(struct dentry *child)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) struct qstr dotdot = QSTR_INIT("..", 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (!ino) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) if (IS_ERR(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) return ERR_CAST(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return ERR_PTR(-ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return d_obtain_alias(f2fs_iget(child->d_sb, ino));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) static int __recover_dot_dentries(struct inode *dir, nid_t pino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) struct qstr dot = QSTR_INIT(".", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) struct qstr dotdot = QSTR_INIT("..", 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) struct f2fs_dir_entry *de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (f2fs_readonly(sbi->sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) f2fs_info(sbi, "skip recovering inline_dots inode (ino:%lu, pino:%u) in readonly mountpoint",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) dir->i_ino, pino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) de = f2fs_find_entry(dir, &dot, &page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (de) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) f2fs_put_page(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) } else if (IS_ERR(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) err = PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) err = f2fs_do_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) de = f2fs_find_entry(dir, &dotdot, &page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (de)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) f2fs_put_page(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) else if (IS_ERR(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) err = PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) err = f2fs_do_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) clear_inode_flag(dir, FI_INLINE_DOTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) return err;
^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) static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) unsigned int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) struct inode *inode = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) struct f2fs_dir_entry *de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) struct dentry *new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) nid_t ino = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) unsigned int root_ino = F2FS_ROOT_INO(F2FS_I_SB(dir));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) struct f2fs_filename fname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) trace_f2fs_lookup_start(dir, dentry, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) if (dentry->d_name.len > F2FS_NAME_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) err = -ENAMETOOLONG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) err = f2fs_prepare_lookup(dir, dentry, &fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) generic_set_encrypted_ci_d_ops(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (err == -ENOENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) goto out_splice;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) de = __f2fs_find_entry(dir, &fname, &page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) f2fs_free_filename(&fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) if (!de) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if (IS_ERR(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) err = PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) err = -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) goto out_splice;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) ino = le32_to_cpu(de->ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) f2fs_put_page(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) inode = f2fs_iget(dir->i_sb, ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (IS_ERR(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) err = PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) goto out;
^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) if ((dir->i_ino == root_ino) && f2fs_has_inline_dots(dir)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) err = __recover_dot_dentries(dir, root_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) goto out_iput;
^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) if (f2fs_has_inline_dots(inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) err = __recover_dot_dentries(inode, dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) goto out_iput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) if (IS_ENCRYPTED(dir) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) !fscrypt_has_permitted_context(dir, inode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) f2fs_warn(F2FS_I_SB(inode), "Inconsistent encryption contexts: %lu/%lu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) dir->i_ino, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) err = -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) goto out_iput;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) out_splice:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) if (!inode && IS_CASEFOLDED(dir)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) /* Eventually we want to call d_add_ci(dentry, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) * for negative dentries in the encoding case as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) * well. For now, prevent the negative dentry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) * from being cached.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) trace_f2fs_lookup_end(dir, dentry, ino, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) new = d_splice_alias(inode, dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) err = PTR_ERR_OR_ZERO(new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) trace_f2fs_lookup_end(dir, dentry, ino, !new ? -ENOENT : err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) return new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) out_iput:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) iput(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) trace_f2fs_lookup_end(dir, dentry, ino, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) struct inode *inode = d_inode(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) struct f2fs_dir_entry *de;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) trace_f2fs_unlink_enter(dir, dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) if (unlikely(f2fs_cp_error(sbi))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) err = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) err = dquot_initialize(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) de = f2fs_find_entry(dir, &dentry->d_name, &page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (!de) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (IS_ERR(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) err = PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) err = f2fs_acquire_orphan_inode(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) f2fs_put_page(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) f2fs_delete_entry(de, page, dir, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) /* VFS negative dentries are incompatible with Encoding and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) * Case-insensitiveness. Eventually we'll want avoid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) * invalidating the dentries here, alongside with returning the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) * negative dentries at f2fs_lookup(), when it is better
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) * supported by the VFS for the CI case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) if (IS_CASEFOLDED(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) d_invalidate(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) if (IS_DIRSYNC(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) trace_f2fs_unlink_exit(inode, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) static const char *f2fs_get_link(struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) struct delayed_call *done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) const char *link = page_get_link(dentry, inode, done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) if (!IS_ERR(link) && !*link) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) /* this is broken symlink case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) do_delayed_call(done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) clear_delayed_call(done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) link = ERR_PTR(-ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) return link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) const char *symname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) size_t len = strlen(symname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) struct fscrypt_str disk_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) err = fscrypt_prepare_symlink(dir, symname, len, dir->i_sb->s_blocksize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) &disk_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) if (IS_ERR(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) return PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) if (IS_ENCRYPTED(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) inode->i_op = &f2fs_encrypted_symlink_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) inode->i_op = &f2fs_symlink_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) inode_nohighmem(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) inode->i_mapping->a_ops = &f2fs_dblock_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) err = f2fs_add_link(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) goto out_f2fs_handle_failed_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) f2fs_alloc_nid_done(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) err = fscrypt_encrypt_symlink(inode, symname, len, &disk_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) err = page_symlink(inode, disk_link.name, disk_link.len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) d_instantiate_new(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) * Let's flush symlink data in order to avoid broken symlink as much as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) * possible. Nevertheless, fsyncing is the best way, but there is no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) * way to get a file descriptor in order to flush that.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) * Note that, it needs to do dir->fsync to make this recoverable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) * If the symlink path is stored into inline_data, there is no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) * performance regression.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) if (!err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) filemap_write_and_wait_range(inode->i_mapping, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) disk_link.len - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) if (IS_DIRSYNC(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) f2fs_unlink(dir, dentry);
^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) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) goto out_free_encrypted_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) out_f2fs_handle_failed_inode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) f2fs_handle_failed_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) out_free_encrypted_link:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) if (disk_link.name != (unsigned char *)symname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) kfree(disk_link.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) inode = f2fs_new_inode(dir, S_IFDIR | mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) if (IS_ERR(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) return PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) inode->i_op = &f2fs_dir_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) inode->i_fop = &f2fs_dir_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) inode->i_mapping->a_ops = &f2fs_dblock_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) set_inode_flag(inode, FI_INC_LINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) err = f2fs_add_link(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) f2fs_alloc_nid_done(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) d_instantiate_new(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) if (IS_DIRSYNC(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) out_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) clear_inode_flag(inode, FI_INC_LINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) f2fs_handle_failed_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) return err;
^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) static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) struct inode *inode = d_inode(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) if (f2fs_empty_dir(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) return f2fs_unlink(dir, dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) return -ENOTEMPTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) umode_t mode, dev_t rdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) inode = f2fs_new_inode(dir, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) if (IS_ERR(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) return PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) init_special_inode(inode, inode->i_mode, rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) inode->i_op = &f2fs_special_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) err = f2fs_add_link(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) f2fs_alloc_nid_done(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) d_instantiate_new(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) if (IS_DIRSYNC(dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) f2fs_handle_failed_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) umode_t mode, struct inode **whiteout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) err = dquot_initialize(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) inode = f2fs_new_inode(dir, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) if (IS_ERR(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) return PTR_ERR(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) if (whiteout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) init_special_inode(inode, inode->i_mode, WHITEOUT_DEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) inode->i_op = &f2fs_special_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) inode->i_op = &f2fs_file_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) inode->i_fop = &f2fs_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) inode->i_mapping->a_ops = &f2fs_dblock_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) err = f2fs_acquire_orphan_inode(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) err = f2fs_do_tmpfile(inode, dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) goto release_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) * add this non-linked tmpfile to orphan list, in this way we could
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) * remove all unused data of tmpfile after abnormal power-off.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) f2fs_add_orphan_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) f2fs_alloc_nid_done(sbi, inode->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) if (whiteout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) f2fs_i_links_write(inode, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) spin_lock(&inode->i_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) inode->i_state |= I_LINKABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) spin_unlock(&inode->i_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) *whiteout = inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) d_tmpfile(dentry, inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) /* link_count was changed by d_tmpfile as well. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) unlock_new_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) release_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) f2fs_release_orphan_inode(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) f2fs_handle_failed_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) return __f2fs_tmpfile(dir, dentry, mode, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) if (unlikely(f2fs_cp_error(F2FS_I_SB(dir))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) struct inode *new_dir, struct dentry *new_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) unsigned int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) struct inode *old_inode = d_inode(old_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) struct inode *new_inode = d_inode(new_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) struct inode *whiteout = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) struct page *old_dir_page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) struct page *old_page, *new_page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) struct f2fs_dir_entry *old_dir_entry = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) struct f2fs_dir_entry *old_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) struct f2fs_dir_entry *new_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) (!projid_eq(F2FS_I(new_dir)->i_projid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) F2FS_I(old_dentry->d_inode)->i_projid)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) return -EXDEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) * If new_inode is null, the below renaming flow will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) * add a link in old_dir which can conver inline_dir.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) * After then, if we failed to get the entry due to other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) * reasons like ENOMEM, we had to remove the new entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) * Instead of adding such the error handling routine, let's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) * simply convert first here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) if (old_dir == new_dir && !new_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) err = f2fs_try_convert_inline_dir(old_dir, new_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) if (flags & RENAME_WHITEOUT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) err = f2fs_create_whiteout(old_dir, &whiteout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) err = dquot_initialize(old_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) err = dquot_initialize(new_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) if (new_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) err = dquot_initialize(new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) err = -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) if (!old_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) if (IS_ERR(old_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) err = PTR_ERR(old_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) if (S_ISDIR(old_inode->i_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) if (!old_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) if (IS_ERR(old_dir_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) err = PTR_ERR(old_dir_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) goto out_old;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) if (new_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) err = -ENOTEMPTY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) if (old_dir_entry && !f2fs_empty_dir(new_inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) goto out_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) err = -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) &new_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) if (!new_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) if (IS_ERR(new_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) err = PTR_ERR(new_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) goto out_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) err = f2fs_acquire_orphan_inode(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) goto put_out_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) f2fs_set_link(new_dir, new_entry, new_page, old_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) new_page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) new_inode->i_ctime = current_time(new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) f2fs_down_write(&F2FS_I(new_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) if (old_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) f2fs_i_links_write(new_inode, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) f2fs_i_links_write(new_inode, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) f2fs_up_write(&F2FS_I(new_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) if (!new_inode->i_nlink)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) f2fs_add_orphan_inode(new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) f2fs_release_orphan_inode(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) err = f2fs_add_link(new_dentry, old_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) goto out_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) if (old_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) f2fs_i_links_write(new_dir, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) f2fs_down_write(&F2FS_I(old_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) if (!old_dir_entry || whiteout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) file_lost_pino(old_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) /* adjust dir's i_pino to pass fsck check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) f2fs_i_pino_write(old_inode, new_dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) f2fs_up_write(&F2FS_I(old_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) old_inode->i_ctime = current_time(old_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) f2fs_mark_inode_dirty_sync(old_inode, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) old_page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) if (whiteout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) set_inode_flag(whiteout, FI_INC_LINK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) err = f2fs_add_link(old_dentry, whiteout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) goto put_out_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) spin_lock(&whiteout->i_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) whiteout->i_state &= ~I_LINKABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) spin_unlock(&whiteout->i_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) iput(whiteout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) if (old_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) if (old_dir != new_dir && !whiteout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) f2fs_set_link(old_inode, old_dir_entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) old_dir_page, new_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) f2fs_put_page(old_dir_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) f2fs_i_links_write(old_dir, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) if (S_ISDIR(old_inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) f2fs_add_ino_entry(sbi, old_inode->i_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) TRANS_DIR_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) f2fs_update_time(sbi, REQ_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) put_out_dir:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) f2fs_put_page(new_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) out_dir:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) if (old_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) f2fs_put_page(old_dir_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) out_old:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) f2fs_put_page(old_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) if (whiteout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) iput(whiteout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) struct inode *new_dir, struct dentry *new_dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) struct inode *old_inode = d_inode(old_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) struct inode *new_inode = d_inode(new_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) struct page *old_dir_page, *new_dir_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) struct page *old_page, *new_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) struct f2fs_dir_entry *old_entry, *new_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) int old_nlink = 0, new_nlink = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) if (unlikely(f2fs_cp_error(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) if (!f2fs_is_checkpoint_ready(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) !projid_eq(F2FS_I(new_dir)->i_projid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) F2FS_I(old_dentry->d_inode)->i_projid)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) !projid_eq(F2FS_I(old_dir)->i_projid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) F2FS_I(new_dentry->d_inode)->i_projid)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) return -EXDEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) err = dquot_initialize(old_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) err = dquot_initialize(new_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) err = -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) if (!old_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) if (IS_ERR(old_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) err = PTR_ERR(old_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) goto out;
^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) new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) if (!new_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) if (IS_ERR(new_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) err = PTR_ERR(new_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) goto out_old;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) /* prepare for updating ".." directory entry info later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) if (old_dir != new_dir) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) if (S_ISDIR(old_inode->i_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) old_dir_entry = f2fs_parent_dir(old_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) &old_dir_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) if (!old_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) if (IS_ERR(old_dir_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) err = PTR_ERR(old_dir_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) goto out_new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) if (S_ISDIR(new_inode->i_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) new_dir_entry = f2fs_parent_dir(new_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) &new_dir_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) if (!new_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) if (IS_ERR(new_dir_page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) err = PTR_ERR(new_dir_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) goto out_old_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) * If cross rename between file and directory those are not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) * in the same directory, we will inc nlink of file's parent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) * later, so we should check upper boundary of its nlink.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) if ((!old_dir_entry || !new_dir_entry) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) old_dir_entry != new_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) old_nlink = old_dir_entry ? -1 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) new_nlink = -old_nlink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) err = -EMLINK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) if ((old_nlink > 0 && old_dir->i_nlink >= F2FS_LINK_MAX) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) (new_nlink > 0 && new_dir->i_nlink >= F2FS_LINK_MAX))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) goto out_new_dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) f2fs_balance_fs(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) f2fs_lock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) /* update ".." directory entry info of old dentry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) if (old_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) /* update ".." directory entry info of new dentry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) if (new_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) /* update directory entry info of old dir inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) f2fs_set_link(old_dir, old_entry, old_page, new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) f2fs_down_write(&F2FS_I(old_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) if (!old_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) file_lost_pino(old_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) /* adjust dir's i_pino to pass fsck check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) f2fs_i_pino_write(old_inode, new_dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) f2fs_up_write(&F2FS_I(old_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) old_dir->i_ctime = current_time(old_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) if (old_nlink) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) f2fs_down_write(&F2FS_I(old_dir)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) f2fs_i_links_write(old_dir, old_nlink > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) f2fs_up_write(&F2FS_I(old_dir)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) f2fs_mark_inode_dirty_sync(old_dir, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) /* update directory entry info of new dir inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) f2fs_set_link(new_dir, new_entry, new_page, old_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) f2fs_down_write(&F2FS_I(new_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) if (!new_dir_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) file_lost_pino(new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) /* adjust dir's i_pino to pass fsck check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) f2fs_i_pino_write(new_inode, old_dir->i_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) f2fs_up_write(&F2FS_I(new_inode)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) new_dir->i_ctime = current_time(new_dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) if (new_nlink) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) f2fs_down_write(&F2FS_I(new_dir)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) f2fs_i_links_write(new_dir, new_nlink > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) f2fs_up_write(&F2FS_I(new_dir)->i_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) f2fs_mark_inode_dirty_sync(new_dir, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) f2fs_add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) f2fs_unlock_op(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) f2fs_sync_fs(sbi->sb, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) f2fs_update_time(sbi, REQ_TIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) out_new_dir:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) if (new_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) f2fs_put_page(new_dir_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) out_old_dir:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) if (old_dir_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) f2fs_put_page(old_dir_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) out_new:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) f2fs_put_page(new_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) out_old:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) f2fs_put_page(old_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) struct inode *new_dir, struct dentry *new_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) unsigned int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) if (flags & RENAME_EXCHANGE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) return f2fs_cross_rename(old_dir, old_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) new_dir, new_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) * VFS has already handled the new dentry existence case,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) * here, we just deal with "RENAME_NOREPLACE" as regular rename.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) static const char *f2fs_encrypted_get_link(struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) struct delayed_call *done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) const char *target;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) if (!dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) return ERR_PTR(-ECHILD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) page = read_mapping_page(inode->i_mapping, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) if (IS_ERR(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) return ERR_CAST(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) target = fscrypt_get_symlink(inode, page_address(page),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) inode->i_sb->s_blocksize, done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) put_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) return target;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) static int f2fs_encrypted_symlink_getattr(const struct path *path,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) struct kstat *stat, u32 request_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) unsigned int query_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) f2fs_getattr(path, stat, request_mask, query_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) return fscrypt_symlink_getattr(path, stat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) const struct inode_operations f2fs_encrypted_symlink_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) .get_link = f2fs_encrypted_get_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) .getattr = f2fs_encrypted_symlink_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) .setattr = f2fs_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) .listxattr = f2fs_listxattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) const struct inode_operations f2fs_dir_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) .create = f2fs_create,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) .lookup = f2fs_lookup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) .link = f2fs_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) .unlink = f2fs_unlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) .symlink = f2fs_symlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) .mkdir = f2fs_mkdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) .rmdir = f2fs_rmdir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) .mknod = f2fs_mknod,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) .rename = f2fs_rename2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) .tmpfile = f2fs_tmpfile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) .getattr = f2fs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) .setattr = f2fs_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) .get_acl = f2fs_get_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) .set_acl = f2fs_set_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) .listxattr = f2fs_listxattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) .fiemap = f2fs_fiemap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) const struct inode_operations f2fs_symlink_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) .get_link = f2fs_get_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) .getattr = f2fs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) .setattr = f2fs_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) .listxattr = f2fs_listxattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) const struct inode_operations f2fs_special_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) .getattr = f2fs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) .setattr = f2fs_setattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) .get_acl = f2fs_get_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) .set_acl = f2fs_set_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) .listxattr = f2fs_listxattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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