This is a note to let you know that I've just added the patch titled f2fs: zone: fix to wait completion of last bio in zone correctly 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: f2fs-zone-fix-to-wait-completion-of-last-bio-in-zone.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 3bdc0acb80cd2033f93eeafef1a4b95f9337f0ad Author: Chao Yu <chao@xxxxxxxxxx> Date: Mon Jan 29 19:27:40 2024 +0800 f2fs: zone: fix to wait completion of last bio in zone correctly [ Upstream commit 536af8211586af09c5bea1c15ad28ddec5f66a97 ] It needs to check last zone_pending_bio and wait IO completion before traverse next fio in io->io_list, otherwise, bio in next zone may be submitted before all IO completion in current zone. Fixes: e067dc3c6b9c ("f2fs: maintain six open zones for zoned devices") Cc: Daeho Jeong <daehojeong@xxxxxxxxxx> Signed-off-by: Chao Yu <chao@xxxxxxxxxx> Reviewed-by: Daeho Jeong <daehojeong@xxxxxxxxxx> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 3dcff94221695..271f5eab15db5 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1010,7 +1010,7 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio) f2fs_bug_on(sbi, is_read_io(fio->op)); f2fs_down_write(&io->io_rwsem); - +next: #ifdef CONFIG_BLK_DEV_ZONED if (f2fs_sb_has_blkzoned(sbi) && btype < META && io->zone_pending_bio) { wait_for_completion_io(&io->zone_wait); @@ -1020,7 +1020,6 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio) } #endif -next: if (fio->in_list) { spin_lock(&io->io_lock); if (list_empty(&io->io_list)) {