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Revert "f2fs: fix potential corruption when moving a directory" 

commit cde3c9d7e2 upstream.

This reverts commit d94772154e. The
locking is going to be provided by VFS.

CC: Jaegeuk Kim <jaegeuk@kernel.org>
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230601105830.13168-3-jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jan Kara 2023-06-01 12:58:23 +02:00 committed by Greg Kroah-Hartman
parent 6aaa22ec73
commit 6654d2a165
1 changed files with 1 additions and 15 deletions
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16
fs/f2fs/namei.c
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@ -1002,20 +1002,12 @@ static int f2fs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
goto out;
}
/*
* Copied from ext4_rename: 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);
err = -ENOENT;
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_entry) {
if (IS_ERR(old_page))
err = PTR_ERR(old_page);
goto out_unlock_old;
goto out;
}
if (S_ISDIR(old_inode->i_mode)) {
@ -1123,9 +1115,6 @@ static int f2fs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
f2fs_unlock_op(sbi);
if (S_ISDIR(old_inode->i_mode))
inode_unlock(old_inode);
if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
f2fs_sync_fs(sbi->sb, 1);
@ -1140,9 +1129,6 @@ static int f2fs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
f2fs_put_page(old_dir_page, 0);
out_old:
f2fs_put_page(old_page, 0);
out_unlock_old:
if (S_ISDIR(old_inode->i_mode))
inode_unlock(old_inode);
out:
iput(whiteout);
return err;