This is a note to let you know that I've just added the patch titled
smb: client: don't clobber ->i_rdev from cached reparse points
to the 6.6-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:
smb-client-don-t-clobber-i_rdev-from-cached-reparse-.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a2226021710bf984972a8ea9b57beccb5f37598e
Author: Paulo Alcantara <pc@xxxxxxxxxxxxx>
Date: Fri Jan 19 01:08:29 2024 -0300
smb: client: don't clobber ->i_rdev from cached reparse points
[ Upstream commit 66c9314b61ed5b7bfcff0d89359aa0f975c0ab53 ]
Don't clobber ->i_rdev from valid reparse inodes over readdir(2) as it
can't be provided by query dir responses.
Signed-off-by: Paulo Alcantara <pc@xxxxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/smb/client/readdir.c b/fs/smb/client/readdir.c
index 47f5a82bc2507..73ff9bd059682 100644
--- a/fs/smb/client/readdir.c
+++ b/fs/smb/client/readdir.c
@@ -133,14 +133,14 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
* Query dir responses don't provide enough
* information about reparse points other than
* their reparse tags. Save an invalidation by
- * not clobbering the existing mode, size and
- * symlink target (if any) when reparse tag and
- * ctime haven't changed.
+ * not clobbering some existing attributes when
+ * reparse tag and ctime haven't changed.
*/
rc = 0;
if (fattr->cf_cifsattrs & ATTR_REPARSE) {
if (likely(reparse_inode_match(inode, fattr))) {
fattr->cf_mode = inode->i_mode;
+ fattr->cf_rdev = inode->i_rdev;
fattr->cf_eof = CIFS_I(inode)->server_eof;
fattr->cf_symlink_target = NULL;
} else {
