From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Coly Li <colyli@suse.de>, Mike Snitzer <snitzer@redhat.com>,
Song Liu <song@kernel.org>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Josef Bacik <josef@toxicpanda.com>,
David Sterba <dsterba@suse.com>,
Phillip Lougher <phillip@squashfs.org.uk>,
linux-block@vger.kernel.org, dm-devel@redhat.com,
linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org,
linux-raid@vger.kernel.org, target-devel@vger.kernel.org,
linux-btrfs@vger.kernel.org
Subject: [PATCH 3/5] target/pscsi: remove pscsi_get_bio
Date: Wed, 6 Apr 2022 08:12:26 +0200 [thread overview]
Message-ID: <20220406061228.410163-4-hch@lst.de> (raw)
In-Reply-To: <20220406061228.410163-1-hch@lst.de>
Remove pscsi_get_bio and simplify the code flow in the only caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/target/target_core_pscsi.c | 28 ++--------------------------
1 file changed, 2 insertions(+), 26 deletions(-)
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index ff292b75e23f9..77bd3af4b2bf8 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -821,23 +821,6 @@ static void pscsi_bi_endio(struct bio *bio)
bio_put(bio);
}
-static inline struct bio *pscsi_get_bio(int nr_vecs)
-{
- struct bio *bio;
- /*
- * Use bio_malloc() following the comment in for bio -> struct request
- * in block/blk-core.c:blk_make_request()
- */
- bio = bio_kmalloc(GFP_KERNEL, nr_vecs);
- if (!bio) {
- pr_err("PSCSI: bio_kmalloc() failed\n");
- return NULL;
- }
- bio->bi_end_io = pscsi_bi_endio;
-
- return bio;
-}
-
static sense_reason_t
pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
struct request *req)
@@ -878,12 +861,10 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
if (!bio) {
new_bio:
nr_vecs = bio_max_segs(nr_pages);
- /*
- * Calls bio_kmalloc() and sets bio->bi_end_io()
- */
- bio = pscsi_get_bio(nr_vecs);
+ bio = bio_kmalloc(GFP_KERNEL, nr_vecs);
if (!bio)
goto fail;
+ bio->bi_end_io = pscsi_bi_endio;
if (rw)
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
@@ -912,11 +893,6 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
goto fail;
}
- /*
- * Clear the pointer so that another bio will
- * be allocated with pscsi_get_bio() above.
- */
- bio = NULL;
goto new_bio;
}
--
2.30.2
next prev parent reply other threads:[~2022-04-06 9:25 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-06 6:12 cleanup bio_kmalloc v3 Christoph Hellwig
2022-04-06 6:12 ` [PATCH 1/5] btrfs: simplify ->flush_bio handling Christoph Hellwig
2022-04-06 16:23 ` Chaitanya Kulkarni
2022-04-06 6:12 ` [PATCH 2/5] squashfs: always use bio_kmalloc in squashfs_bio_read Christoph Hellwig
2022-04-06 16:24 ` Chaitanya Kulkarni
2022-04-06 6:12 ` Christoph Hellwig [this message]
2022-04-06 16:25 ` [PATCH 3/5] target/pscsi: remove pscsi_get_bio Chaitanya Kulkarni
2022-04-06 6:12 ` [PATCH 4/5] block: turn bio_kmalloc into a simple kmalloc wrapper Christoph Hellwig
2022-04-07 8:16 ` Coly Li
2022-04-13 17:04 ` Mike Snitzer
2022-04-06 6:12 ` [PATCH 5/5] pktcdvd: stop using bio_reset Christoph Hellwig
2022-04-15 4:57 ` cleanup bio_kmalloc v3 Christoph Hellwig
2022-04-18 1:32 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2022-03-08 6:15 cleanup bio_kmalloc v2 Christoph Hellwig
2022-03-08 6:15 ` [PATCH 3/5] target/pscsi: remove pscsi_get_bio Christoph Hellwig
2022-03-08 22:08 ` Chaitanya Kulkarni
2022-03-01 8:45 cleanup bio_kmalloc Christoph Hellwig
2022-03-01 8:45 ` [PATCH 3/5] target/pscsi: remove pscsi_get_bio Christoph Hellwig
2022-03-02 2:57 ` Martin K. Petersen
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