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[70.175.132.216]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-11c93cd457dsm72215229c88.0.2025.11.24.15.48.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Nov 2025 15:48:23 -0800 (PST) From: Chaitanya Kulkarni To: axboe@kernel.dk, agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, song@kernel.org, yukuai@fnnas.com, hch@lst.de, sagi@grimberg.me, kch@nvidia.com, jaegeuk@kernel.org, chao@kernel.org, cem@kernel.org Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, linux-nvme@lists.infradead.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, bpf@vger.kernel.org, Chaitanya Kulkarni , "Martin K . Petersen" , Johannes Thumshirn Subject: [PATCH V3 2/6] md: ignore discard return value Date: Mon, 24 Nov 2025 15:48:02 -0800 Message-Id: <20251124234806.75216-3-ckulkarnilinux@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20251124234806.75216-1-ckulkarnilinux@gmail.com> References: <20251124234806.75216-1-ckulkarnilinux@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit __blkdev_issue_discard() always returns 0, making all error checking at call sites dead code. Simplify md to only check !discard_bio by ignoring the __blkdev_issue_discard() value. Reviewed-by: Martin K. Petersen Reviewed-by: Johannes Thumshirn Reviewed-by: Christoph Hellwig Signed-off-by: Chaitanya Kulkarni --- drivers/md/md.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 7b5c5967568f..aeb62df39828 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9132,8 +9132,8 @@ void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev, { struct bio *discard_bio = NULL; - if (__blkdev_issue_discard(rdev->bdev, start, size, GFP_NOIO, - &discard_bio) || !discard_bio) + __blkdev_issue_discard(rdev->bdev, start, size, GFP_NOIO, &discard_bio); + if (!discard_bio) return; bio_chain(discard_bio, bio); -- 2.40.0