From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Chris Zankel <chris@zankel.net>,
Max Filippov <jcmvbkbc@gmail.com>,
Justin Sanders <justin@coraid.com>,
Philipp Reisner <philipp.reisner@linbit.com>,
Lars Ellenberg <lars.ellenberg@linbit.com>,
Denis Efremov <efremov@linux.com>,
Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>,
Coly Li <colyli@suse.de>, Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
linux-xtensa@linux-xtensa.org, linux-block@vger.kernel.org,
drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org,
nvdimm@lists.linux.dev
Subject: [PATCH 04/10] zram: use memcpy_from_bvec in zram_bvec_write
Date: Tue, 22 Feb 2022 16:51:50 +0100 [thread overview]
Message-ID: <20220222155156.597597-5-hch@lst.de> (raw)
In-Reply-To: <20220222155156.597597-1-hch@lst.de>
Use memcpy_from_bvec instead of open coding the logic.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/block/zram/zram_drv.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 14becdf2815df..e9474b02012de 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1465,7 +1465,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
{
int ret;
struct page *page = NULL;
- void *src;
struct bio_vec vec;
vec = *bvec;
@@ -1483,11 +1482,9 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
if (ret)
goto out;
- src = kmap_atomic(bvec->bv_page);
dst = kmap_atomic(page);
- memcpy(dst + offset, src + bvec->bv_offset, bvec->bv_len);
+ memcpy_from_bvec(dst + offset, bvec);
kunmap_atomic(dst);
- kunmap_atomic(src);
vec.bv_page = page;
vec.bv_len = PAGE_SIZE;
--
2.30.2
next prev parent reply other threads:[~2022-02-22 15:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-22 15:51 remove opencoded kmap of bio_vecs Christoph Hellwig
2022-02-22 15:51 ` [PATCH 01/10] iss-simdisk: use bvec_kmap_local in simdisk_submit_bio Christoph Hellwig
2022-03-01 0:30 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 02/10] aoe: use bvec_kmap_local in bvcpy Christoph Hellwig
2022-03-01 0:31 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 03/10] zram: use memcpy_to_bvec in zram_bvec_read Christoph Hellwig
2022-03-01 1:10 ` Ira Weiny
2022-03-01 12:19 ` Christoph Hellwig
2022-02-22 15:51 ` Christoph Hellwig [this message]
2022-03-01 2:12 ` [PATCH 04/10] zram: use memcpy_from_bvec in zram_bvec_write Ira Weiny
2022-02-22 15:51 ` [PATCH 05/10] nvdimm-blk: use bvec_kmap_local in nd_blk_rw_integrity Christoph Hellwig
2022-03-01 3:54 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 06/10] nvdimm-btt: use bvec_kmap_local in btt_rw_integrity Christoph Hellwig
2022-03-01 3:59 ` Ira Weiny
2022-03-01 12:20 ` Christoph Hellwig
2022-03-02 17:04 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 07/10] bcache: use bvec_kmap_local in bio_csum Christoph Hellwig
2022-03-01 4:00 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 08/10] drbd: use bvec_kmap_local in drbd_csum_bio Christoph Hellwig
2022-03-01 4:06 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 09/10] drbd: use bvec_kmap_local in recv_dless_read Christoph Hellwig
2022-03-01 4:09 ` Ira Weiny
2022-02-22 15:51 ` [PATCH 10/10] floppy: use memcpy_{to,from}_bvec Christoph Hellwig
2022-03-01 4:11 ` Ira Weiny
2022-02-22 16:25 ` remove opencoded kmap of bio_vecs Chaitanya Kulkarni
2022-03-03 11:18 remove opencoded kmap of bio_vecs v2 Christoph Hellwig
2022-03-03 11:18 ` [PATCH 04/10] zram: use memcpy_from_bvec in zram_bvec_write Christoph Hellwig
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