summaryrefslogtreecommitdiff
path: root/fs/ext4/namei.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c39
1 files changed, 24 insertions, 15 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 94608b7df7e8..31e21de56432 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1595,11 +1595,10 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir,
int has_inline_data = 1;
ret = ext4_find_inline_entry(dir, fname, res_dir,
&has_inline_data);
- if (has_inline_data) {
- if (inlined)
- *inlined = 1;
+ if (inlined)
+ *inlined = has_inline_data;
+ if (has_inline_data)
goto cleanup_and_exit;
- }
}
if ((namelen <= 2) && (name[0] == '.') &&
@@ -3646,7 +3645,8 @@ static void ext4_resetent(handle_t *handle, struct ext4_renament *ent,
* so the old->de may no longer valid and need to find it again
* before reset old inode info.
*/
- old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL);
+ old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de,
+ &old.inlined);
if (IS_ERR(old.bh))
retval = PTR_ERR(old.bh);
if (!old.bh)
@@ -3813,9 +3813,20 @@ static int ext4_rename(struct mnt_idmap *idmap, struct inode *old_dir,
return retval;
}
- old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL);
- if (IS_ERR(old.bh))
- return PTR_ERR(old.bh);
+ /*
+ * We need to protect against old.inode directory getting converted
+ * from inline directory format into a normal one.
+ */
+ if (S_ISDIR(old.inode->i_mode))
+ inode_lock_nested(old.inode, I_MUTEX_NONDIR2);
+
+ old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de,
+ &old.inlined);
+ if (IS_ERR(old.bh)) {
+ retval = PTR_ERR(old.bh);
+ goto unlock_moved_dir;
+ }
+
/*
* Check for inode number is _not_ due to possible IO errors.
* We might rmdir the source, keep it as pwd of some process
@@ -3872,11 +3883,6 @@ static int ext4_rename(struct mnt_idmap *idmap, struct inode *old_dir,
if (new.dir != old.dir && EXT4_DIR_LINK_MAX(new.dir))
goto end_rename;
}
- /*
- * We need to protect against old.inode directory getting
- * converted from inline directory format into a normal one.
- */
- inode_lock_nested(old.inode, I_MUTEX_NONDIR2);
retval = ext4_rename_dir_prepare(handle, &old);
if (retval) {
inode_unlock(old.inode);
@@ -4013,12 +4019,15 @@ end_rename:
} else {
ext4_journal_stop(handle);
}
- if (old.dir_bh)
- inode_unlock(old.inode);
release_bh:
brelse(old.dir_bh);
brelse(old.bh);
brelse(new.bh);
+
+unlock_moved_dir:
+ if (S_ISDIR(old.inode->i_mode))
+ inode_unlock(old.inode);
+
return retval;
}