From: Gou Hao gouhao@uniontech.com
mainline inclusion from mainline-next-20231220 commit af140f806ae2679f9dba48ea0f5811da83854eb6 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8T02O
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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If %__GFP_DIRECT_RECLAIM is set then bio_alloc_bioset will always be able to allocate a bio. See comment of bio_alloc_bioset.
Signed-off-by: Gou Hao gouhao@uniontech.com Signed-off-by: Song Liu song@kernel.org Link: https://lore.kernel.org/r/20231214151458.28970-1-gouhao@uniontech.com Signed-off-by: Li Nan linan122@huawei.com --- drivers/md/raid1.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 9348f1709512..19c9bf0060ae 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1124,8 +1124,6 @@ static void alloc_behind_master_bio(struct r1bio *r1_bio,
behind_bio = bio_alloc_bioset(NULL, vcnt, 0, GFP_NOIO, &r1_bio->mddev->bio_set); - if (!behind_bio) - return;
/* discard op, we don't support writezero/writesame yet */ if (!bio_has_data(bio)) {