summaryrefslogtreecommitdiff
path: root/fs/f2fs/namei.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c154
1 files changed, 86 insertions, 68 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 57d46e1439de..07e333ee21b7 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -341,6 +341,7 @@ fail_drop:
trace_f2fs_new_inode(inode, err);
dquot_drop(inode);
inode->i_flags |= S_NOQUOTA;
+ make_bad_inode(inode);
if (nid_free)
set_inode_flag(inode, FI_FREE_NID);
clear_nlink(inode);
@@ -413,7 +414,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(dir)->i_projid,
- F2FS_I(old_dentry->d_inode)->i_projid)))
+ F2FS_I(inode)->i_projid)))
return -EXDEV;
err = f2fs_dquot_initialize(dir);
@@ -446,12 +447,12 @@ out:
struct dentry *f2fs_get_parent(struct dentry *child)
{
- struct page *page;
- unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot_name, &page);
+ struct folio *folio;
+ unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot_name, &folio);
if (!ino) {
- if (IS_ERR(page))
- return ERR_CAST(page);
+ if (IS_ERR(folio))
+ return ERR_CAST(folio);
return ERR_PTR(-ENOENT);
}
return d_obtain_alias(f2fs_iget(child->d_sb, ino));
@@ -462,7 +463,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
{
struct inode *inode = NULL;
struct f2fs_dir_entry *de;
- struct page *page;
+ struct folio *folio;
struct dentry *new;
nid_t ino = -1;
int err = 0;
@@ -480,12 +481,12 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
goto out_splice;
if (err)
goto out;
- de = __f2fs_find_entry(dir, &fname, &page);
+ de = __f2fs_find_entry(dir, &fname, &folio);
f2fs_free_filename(&fname);
if (!de) {
- if (IS_ERR(page)) {
- err = PTR_ERR(page);
+ if (IS_ERR(folio)) {
+ err = PTR_ERR(folio);
goto out;
}
err = -ENOENT;
@@ -493,7 +494,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
}
ino = le32_to_cpu(de->ino);
- f2fs_put_page(page, 0);
+ f2fs_folio_put(folio, false);
inode = f2fs_iget(dir->i_sb, ino);
if (IS_ERR(inode)) {
@@ -501,6 +502,14 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
+ if (inode->i_nlink == 0) {
+ f2fs_warn(F2FS_I_SB(inode), "%s: inode (ino=%lx) has zero i_nlink",
+ __func__, inode->i_ino);
+ err = -EFSCORRUPTED;
+ set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
+ goto out_iput;
+ }
+
if (IS_ENCRYPTED(dir) &&
(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
!fscrypt_has_permitted_context(dir, inode)) {
@@ -536,7 +545,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode = d_inode(dentry);
struct f2fs_dir_entry *de;
- struct page *page;
+ struct folio *folio;
int err;
trace_f2fs_unlink_enter(dir, dentry);
@@ -553,10 +562,19 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
if (err)
goto fail;
- de = f2fs_find_entry(dir, &dentry->d_name, &page);
+ de = f2fs_find_entry(dir, &dentry->d_name, &folio);
if (!de) {
- if (IS_ERR(page))
- err = PTR_ERR(page);
+ if (IS_ERR(folio))
+ err = PTR_ERR(folio);
+ goto fail;
+ }
+
+ if (unlikely(inode->i_nlink == 0)) {
+ f2fs_warn(F2FS_I_SB(inode), "%s: inode (ino=%lx) has zero i_nlink",
+ __func__, inode->i_ino);
+ err = -EFSCORRUPTED;
+ set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
+ f2fs_folio_put(folio, false);
goto fail;
}
@@ -566,10 +584,10 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
err = f2fs_acquire_orphan_inode(sbi);
if (err) {
f2fs_unlock_op(sbi);
- f2fs_put_page(page, 0);
+ f2fs_folio_put(folio, false);
goto fail;
}
- f2fs_delete_entry(de, page, dir, inode);
+ f2fs_delete_entry(de, folio, dir, inode);
f2fs_unlock_op(sbi);
/* VFS negative dentries are incompatible with Encoding and
@@ -683,23 +701,23 @@ out_free_encrypted_link:
return err;
}
-static int f2fs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
- struct dentry *dentry, umode_t mode)
+static struct dentry *f2fs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
struct inode *inode;
int err;
if (unlikely(f2fs_cp_error(sbi)))
- return -EIO;
+ return ERR_PTR(-EIO);
err = f2fs_dquot_initialize(dir);
if (err)
- return err;
+ return ERR_PTR(err);
inode = f2fs_new_inode(idmap, dir, S_IFDIR | mode, NULL);
if (IS_ERR(inode))
- return PTR_ERR(inode);
+ return ERR_CAST(inode);
inode->i_op = &f2fs_dir_inode_operations;
inode->i_fop = &f2fs_dir_operations;
@@ -721,12 +739,12 @@ static int f2fs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
f2fs_sync_fs(sbi->sb, 1);
f2fs_balance_fs(sbi, true);
- return 0;
+ return NULL;
out_fail:
clear_inode_flag(inode, FI_INC_LINK);
f2fs_handle_failed_inode(inode);
- return err;
+ return ERR_PTR(err);
}
static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
@@ -890,8 +908,8 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
struct inode *whiteout = NULL;
- struct page *old_dir_page = NULL;
- struct page *old_page, *new_page = NULL;
+ struct folio *old_dir_folio = NULL;
+ struct folio *old_folio, *new_folio = NULL;
struct f2fs_dir_entry *old_dir_entry = NULL;
struct f2fs_dir_entry *old_entry;
struct f2fs_dir_entry *new_entry;
@@ -905,7 +923,7 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(new_dir)->i_projid,
- F2FS_I(old_dentry->d_inode)->i_projid)))
+ F2FS_I(old_inode)->i_projid)))
return -EXDEV;
/*
@@ -950,18 +968,18 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
}
err = -ENOENT;
- old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
if (!old_entry) {
- if (IS_ERR(old_page))
- err = PTR_ERR(old_page);
+ if (IS_ERR(old_folio))
+ err = PTR_ERR(old_folio);
goto out;
}
if (old_is_dir && old_dir != new_dir) {
- old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
+ old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_folio);
if (!old_dir_entry) {
- if (IS_ERR(old_dir_page))
- err = PTR_ERR(old_dir_page);
+ if (IS_ERR(old_dir_folio))
+ err = PTR_ERR(old_dir_folio);
goto out_old;
}
}
@@ -974,10 +992,10 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
err = -ENOENT;
new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
- &new_page);
+ &new_folio);
if (!new_entry) {
- if (IS_ERR(new_page))
- err = PTR_ERR(new_page);
+ if (IS_ERR(new_folio))
+ err = PTR_ERR(new_folio);
goto out_dir;
}
@@ -989,8 +1007,8 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
if (err)
goto put_out_dir;
- f2fs_set_link(new_dir, new_entry, new_page, old_inode);
- new_page = NULL;
+ f2fs_set_link(new_dir, new_entry, new_folio, old_inode);
+ new_folio = NULL;
inode_set_ctime_current(new_inode);
f2fs_down_write(&F2FS_I(new_inode)->i_sem);
@@ -1029,8 +1047,8 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
inode_set_ctime_current(old_inode);
f2fs_mark_inode_dirty_sync(old_inode, false);
- f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
- old_page = NULL;
+ f2fs_delete_entry(old_entry, old_folio, old_dir, NULL);
+ old_folio = NULL;
if (whiteout) {
set_inode_flag(whiteout, FI_INC_LINK);
@@ -1046,7 +1064,7 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
}
if (old_dir_entry)
- f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
+ f2fs_set_link(old_inode, old_dir_entry, old_dir_folio, new_dir);
if (old_is_dir)
f2fs_i_links_write(old_dir, false);
@@ -1067,12 +1085,12 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
put_out_dir:
f2fs_unlock_op(sbi);
- f2fs_put_page(new_page, 0);
+ f2fs_folio_put(new_folio, false);
out_dir:
if (old_dir_entry)
- f2fs_put_page(old_dir_page, 0);
+ f2fs_folio_put(old_dir_folio, false);
out_old:
- f2fs_put_page(old_page, 0);
+ f2fs_folio_put(old_folio, false);
out:
iput(whiteout);
return err;
@@ -1084,8 +1102,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
struct inode *old_inode = d_inode(old_dentry);
struct inode *new_inode = d_inode(new_dentry);
- struct page *old_dir_page, *new_dir_page;
- struct page *old_page, *new_page;
+ struct folio *old_dir_folio, *new_dir_folio;
+ struct folio *old_folio, *new_folio;
struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL;
struct f2fs_dir_entry *old_entry, *new_entry;
int old_nlink = 0, new_nlink = 0;
@@ -1098,10 +1116,10 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(new_dir)->i_projid,
- F2FS_I(old_dentry->d_inode)->i_projid)) ||
- (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+ F2FS_I(old_inode)->i_projid)) ||
+ (is_inode_flag_set(old_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(old_dir)->i_projid,
- F2FS_I(new_dentry->d_inode)->i_projid)))
+ F2FS_I(new_inode)->i_projid)))
return -EXDEV;
err = f2fs_dquot_initialize(old_dir);
@@ -1113,17 +1131,17 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
err = -ENOENT;
- old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
if (!old_entry) {
- if (IS_ERR(old_page))
- err = PTR_ERR(old_page);
+ if (IS_ERR(old_folio))
+ err = PTR_ERR(old_folio);
goto out;
}
- new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
+ new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_folio);
if (!new_entry) {
- if (IS_ERR(new_page))
- err = PTR_ERR(new_page);
+ if (IS_ERR(new_folio))
+ err = PTR_ERR(new_folio);
goto out_old;
}
@@ -1131,20 +1149,20 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
if (old_dir != new_dir) {
if (S_ISDIR(old_inode->i_mode)) {
old_dir_entry = f2fs_parent_dir(old_inode,
- &old_dir_page);
+ &old_dir_folio);
if (!old_dir_entry) {
- if (IS_ERR(old_dir_page))
- err = PTR_ERR(old_dir_page);
+ if (IS_ERR(old_dir_folio))
+ err = PTR_ERR(old_dir_folio);
goto out_new;
}
}
if (S_ISDIR(new_inode->i_mode)) {
new_dir_entry = f2fs_parent_dir(new_inode,
- &new_dir_page);
+ &new_dir_folio);
if (!new_dir_entry) {
- if (IS_ERR(new_dir_page))
- err = PTR_ERR(new_dir_page);
+ if (IS_ERR(new_dir_folio))
+ err = PTR_ERR(new_dir_folio);
goto out_old_dir;
}
}
@@ -1171,14 +1189,14 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
/* update ".." directory entry info of old dentry */
if (old_dir_entry)
- f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
+ f2fs_set_link(old_inode, old_dir_entry, old_dir_folio, new_dir);
/* update ".." directory entry info of new dentry */
if (new_dir_entry)
- f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);
+ f2fs_set_link(new_inode, new_dir_entry, new_dir_folio, old_dir);
/* update directory entry info of old dir inode */
- f2fs_set_link(old_dir, old_entry, old_page, new_inode);
+ f2fs_set_link(old_dir, old_entry, old_folio, new_inode);
f2fs_down_write(&F2FS_I(old_inode)->i_sem);
if (!old_dir_entry)
@@ -1197,7 +1215,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
f2fs_mark_inode_dirty_sync(old_dir, false);
/* update directory entry info of new dir inode */
- f2fs_set_link(new_dir, new_entry, new_page, old_inode);
+ f2fs_set_link(new_dir, new_entry, new_folio, old_inode);
f2fs_down_write(&F2FS_I(new_inode)->i_sem);
if (!new_dir_entry)
@@ -1229,16 +1247,16 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
return 0;
out_new_dir:
if (new_dir_entry) {
- f2fs_put_page(new_dir_page, 0);
+ f2fs_folio_put(new_dir_folio, 0);
}
out_old_dir:
if (old_dir_entry) {
- f2fs_put_page(old_dir_page, 0);
+ f2fs_folio_put(old_dir_folio, 0);
}
out_new:
- f2fs_put_page(new_page, 0);
+ f2fs_folio_put(new_folio, false);
out_old:
- f2fs_put_page(old_page, 0);
+ f2fs_folio_put(old_folio, false);
out:
return err;
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-21 05:35:32 +0300