This is a note to let you know that I've just added the patch titled
Revert "f2fs: fix potential corruption when moving a directory"
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-f2fs-fix-potential-corruption-when-moving-a-directory.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cde3c9d7e2a359e337216855dcb333a19daaa436 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@xxxxxxx>
Date: Thu, 1 Jun 2023 12:58:23 +0200
Subject: Revert "f2fs: fix potential corruption when moving a directory"
From: Jan Kara <jack@xxxxxxx>
commit cde3c9d7e2a359e337216855dcb333a19daaa436 upstream.
This reverts commit d94772154e524b329a168678836745d2773a6e02. The
locking is going to be provided by VFS.
CC: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
CC: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
Message-Id: <20230601105830.13168-3-jack@xxxxxxx>
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/f2fs/namei.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -892,20 +892,12 @@ static int f2fs_rename(struct inode *old
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)) {
@@ -1033,9 +1025,6 @@ static int f2fs_rename(struct inode *old
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);
@@ -1051,9 +1040,6 @@ out_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:
if (whiteout)
iput(whiteout);
Patches currently in stable-queue which might be from jack@xxxxxxx are
queue-5.4/fs-establish-locking-order-for-unrelated-directories.patch
queue-5.4/revert-f2fs-fix-potential-corruption-when-moving-a-directory.patch
queue-5.4/ext4-remove-ext4-locking-of-moved-directory.patch
queue-5.4/fs-lock-moved-directories.patch
