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Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c76
1 files changed, 49 insertions, 27 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index a8aca4772aaa..56738b538ddf 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1993,7 +1993,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
{
unsigned int blocksize = dir->i_sb->s_blocksize;
int csum_size = 0;
- int err;
+ int err, err2;
if (ext4_has_metadata_csum(inode->i_sb))
csum_size = sizeof(struct ext4_dir_entry_tail);
@@ -2028,12 +2028,12 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
dir->i_mtime = dir->i_ctime = current_time(dir);
ext4_update_dx_flag(dir);
inode_inc_iversion(dir);
- ext4_mark_inode_dirty(handle, dir);
+ err2 = ext4_mark_inode_dirty(handle, dir);
BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
err = ext4_handle_dirty_dirblock(handle, dir, bh);
if (err)
ext4_std_error(dir->i_sb, err);
- return 0;
+ return err ? err : err2;
}
/*
@@ -2223,7 +2223,9 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
}
ext4_clear_inode_flag(dir, EXT4_INODE_INDEX);
dx_fallback++;
- ext4_mark_inode_dirty(handle, dir);
+ retval = ext4_mark_inode_dirty(handle, dir);
+ if (unlikely(retval))
+ goto out;
}
blocks = dir->i_size >> sb->s_blocksize_bits;
for (block = 0; block < blocks; block++) {
@@ -2576,12 +2578,12 @@ static int ext4_add_nondir(handle_t *handle,
struct inode *inode = *inodep;
int err = ext4_add_entry(handle, dentry, inode);
if (!err) {
- ext4_mark_inode_dirty(handle, inode);
+ err = ext4_mark_inode_dirty(handle, inode);
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
d_instantiate_new(dentry, inode);
*inodep = NULL;
- return 0;
+ return err;
}
drop_nlink(inode);
ext4_orphan_add(handle, inode);
@@ -2775,7 +2777,7 @@ static int ext4_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
handle_t *handle;
struct inode *inode;
- int err, credits, retries = 0;
+ int err, err2 = 0, credits, retries = 0;
if (EXT4_DIR_LINK_MAX(dir))
return -EMLINK;
@@ -2808,7 +2810,9 @@ out_clear_inode:
clear_nlink(inode);
ext4_orphan_add(handle, inode);
unlock_new_inode(inode);
- ext4_mark_inode_dirty(handle, inode);
+ err2 = ext4_mark_inode_dirty(handle, inode);
+ if (unlikely(err2))
+ err = err2;
ext4_journal_stop(handle);
iput(inode);
goto out_retry;
@@ -3148,10 +3152,12 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
inode->i_size = 0;
ext4_orphan_add(handle, inode);
inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
- ext4_mark_inode_dirty(handle, inode);
+ retval = ext4_mark_inode_dirty(handle, inode);
+ if (retval)
+ goto end_rmdir;
ext4_dec_count(handle, dir);
ext4_update_dx_flag(dir);
- ext4_mark_inode_dirty(handle, dir);
+ retval = ext4_mark_inode_dirty(handle, dir);
#ifdef CONFIG_UNICODE
/* VFS negative dentries are incompatible with Encoding and
@@ -3221,7 +3227,9 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
goto end_unlink;
dir->i_ctime = dir->i_mtime = current_time(dir);
ext4_update_dx_flag(dir);
- ext4_mark_inode_dirty(handle, dir);
+ retval = ext4_mark_inode_dirty(handle, dir);
+ if (retval)
+ goto end_unlink;
if (inode->i_nlink == 0)
ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
dentry->d_name.len, dentry->d_name.name);
@@ -3230,7 +3238,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
if (!inode->i_nlink)
ext4_orphan_add(handle, inode);
inode->i_ctime = current_time(inode);
- ext4_mark_inode_dirty(handle, inode);
+ retval = ext4_mark_inode_dirty(handle, inode);
#ifdef CONFIG_UNICODE
/* VFS negative dentries are incompatible with Encoding and
@@ -3419,7 +3427,7 @@ retry:
err = ext4_add_entry(handle, dentry, inode);
if (!err) {
- ext4_mark_inode_dirty(handle, inode);
+ err = ext4_mark_inode_dirty(handle, inode);
/* this can happen only for tmpfile being
* linked the first time
*/
@@ -3531,7 +3539,7 @@ static int ext4_rename_dir_finish(handle_t *handle, struct ext4_renament *ent,
static int ext4_setent(handle_t *handle, struct ext4_renament *ent,
unsigned ino, unsigned file_type)
{
- int retval;
+ int retval, retval2;
BUFFER_TRACE(ent->bh, "get write access");
retval = ext4_journal_get_write_access(handle, ent->bh);
@@ -3543,19 +3551,19 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent,
inode_inc_iversion(ent->dir);
ent->dir->i_ctime = ent->dir->i_mtime =
current_time(ent->dir);
- ext4_mark_inode_dirty(handle, ent->dir);
+ retval = ext4_mark_inode_dirty(handle, ent->dir);
BUFFER_TRACE(ent->bh, "call ext4_handle_dirty_metadata");
if (!ent->inlined) {
- retval = ext4_handle_dirty_dirblock(handle, ent->dir, ent->bh);
- if (unlikely(retval)) {
- ext4_std_error(ent->dir->i_sb, retval);
- return retval;
+ retval2 = ext4_handle_dirty_dirblock(handle, ent->dir, ent->bh);
+ if (unlikely(retval2)) {
+ ext4_std_error(ent->dir->i_sb, retval2);
+ return retval2;
}
}
brelse(ent->bh);
ent->bh = NULL;
- return 0;
+ return retval;
}
static int ext4_find_delete_entry(handle_t *handle, struct inode *dir,
@@ -3790,7 +3798,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
EXT4_FT_CHRDEV);
if (retval)
goto end_rename;
- ext4_mark_inode_dirty(handle, whiteout);
+ retval = ext4_mark_inode_dirty(handle, whiteout);
+ if (unlikely(retval))
+ goto end_rename;
}
if (!new.bh) {
retval = ext4_add_entry(handle, new.dentry, old.inode);
@@ -3811,7 +3821,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
* rename.
*/
old.inode->i_ctime = current_time(old.inode);
- ext4_mark_inode_dirty(handle, old.inode);
+ retval = ext4_mark_inode_dirty(handle, old.inode);
+ if (unlikely(retval))
+ goto end_rename;
if (!whiteout) {
/*
@@ -3840,12 +3852,18 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
} else {
ext4_inc_count(handle, new.dir);
ext4_update_dx_flag(new.dir);
- ext4_mark_inode_dirty(handle, new.dir);
+ retval = ext4_mark_inode_dirty(handle, new.dir);
+ if (unlikely(retval))
+ goto end_rename;
}
}
- ext4_mark_inode_dirty(handle, old.dir);
+ retval = ext4_mark_inode_dirty(handle, old.dir);
+ if (unlikely(retval))
+ goto end_rename;
if (new.inode) {
- ext4_mark_inode_dirty(handle, new.inode);
+ retval = ext4_mark_inode_dirty(handle, new.inode);
+ if (unlikely(retval))
+ goto end_rename;
if (!new.inode->i_nlink)
ext4_orphan_add(handle, new.inode);
}
@@ -3979,8 +3997,12 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
ctime = current_time(old.inode);
old.inode->i_ctime = ctime;
new.inode->i_ctime = ctime;
- ext4_mark_inode_dirty(handle, old.inode);
- ext4_mark_inode_dirty(handle, new.inode);
+ retval = ext4_mark_inode_dirty(handle, old.inode);
+ if (unlikely(retval))
+ goto end_rename;
+ retval = ext4_mark_inode_dirty(handle, new.inode);
+ if (unlikely(retval))
+ goto end_rename;
if (old.dir_bh) {
retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.