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authorDavid Howells <dhowells@redhat.com>2023-02-24 14:31:15 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-24 11:01:58 -0800
commitab7362d04d7c14923420c1e19e889da512a65cd7 (patch)
tree500d0a41324700169fc70362ad97e6ce7e4e6c4d /fs/cifs
parentd2980d8d826554fa6981d621e569a453787472f8 (diff)
cifs: Fix cifs_writepages_region()
Fix the cifs_writepages_region() to just jump over members of the batch that have been cleaned up rather than counting them as skipped. Unlike the other "skip_write" cases, this situation happens even for WB_SYNC_ALL, simply because the page has either been cleaned by somebody else, or was truncated. So in this case we're not "skipping" the write, we simply no longer need any write at all, so it's very different from the other skip_write cases. And we definitely shouldn't stop writing the rest just because of too many of these cases (or because we want to be rescheduled). Fixes: 3822a7c40997 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") Signed-off-by: David Howells <dhowells@redhat.com> Link: https://lore.kernel.org/lkml/2213409.1677249075@warthog.procyon.org.uk/ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 5365a3299088..ebfcaae8c437 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2893,8 +2893,9 @@ redo_folio:
if (folio_mapping(folio) != mapping ||
!folio_test_dirty(folio)) {
+ start += folio_size(folio);
folio_unlock(folio);
- goto skip_write;
+ continue;
}
if (folio_test_writeback(folio) ||