This is a note to let you know that I've just added the patch titled
cifs: fix flushing folio regression for 6.1 backport
to the 6.1-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:
cifs-fix-flushing-folio-regression-for-6.1-backport.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ba288a873fb8ac3d1bf5563366558a905620c071 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@xxxxxxxxxxxxx>
Date: Fri, 12 Jan 2024 23:08:51 -0600
Subject: cifs: fix flushing folio regression for 6.1 backport
filemap_get_folio works differenty in 6.1 vs. later kernels
(returning NULL in 6.1 instead of an error). Add
this minor correction which addresses the regression in the patch:
cifs: Fix flushing, invalidation and file size with copy_file_range()
Suggested-by: David Howells <dhowells@xxxxxxxxxx>
Reported-by: Salvatore Bonaccorso <carnil@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/smb/client/cifsfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/smb/client/cifsfs.c
+++ b/fs/smb/client/cifsfs.c
@@ -1240,7 +1240,7 @@ static int cifs_flush_folio(struct inode
int rc = 0;
folio = filemap_get_folio(inode->i_mapping, index);
- if (IS_ERR(folio))
+ if ((!folio) || (IS_ERR(folio)))
return 0;
size = folio_size(folio);
Patches currently in stable-queue which might be from stfrench@xxxxxxxxxxxxx are
queue-6.1/cifs-fix-flushing-folio-regression-for-6.1-backport.patch
