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From: Gou Hao <gouhao@uniontech.com>
To: song@kernel.org, linux-raid@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, gouhaojake@163.com
Subject: [PATCH] md/raid1: remove unnecessary null checking
Date: Thu, 14 Dec 2023 23:14:58 +0800	[thread overview]
Message-ID: <20231214151458.28970-1-gouhao@uniontech.com> (raw)

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>
---
 drivers/md/raid1.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 35d12948e0a9..e77dc95d4a75 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1126,8 +1126,6 @@ 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)) {
-- 
2.34.1


             reply	other threads:[~2023-12-14 15:25 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-14 15:14 Gou Hao [this message]
2023-12-15 23:31 ` Song Liu

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