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authorChristoph Hellwig <hch@lst.de>2022-03-03 14:18:59 +0300
committerJens Axboe <axboe@kernel.dk>2022-03-04 12:29:21 -0700
commitbd3d3203eb84d08a6daef805efe9316b79d3bf3c (patch)
treee08f3eeffa203fecf25e552f6ce35b2049af64d8 /drivers/block
parentzram: use memcpy_to_bvec in zram_bvec_read (diff)
downloadlinux-dev-bd3d3203eb84d08a6daef805efe9316b79d3bf3c.tar.xz
linux-dev-bd3d3203eb84d08a6daef805efe9316b79d3bf3c.zip
zram: use memcpy_from_bvec in zram_bvec_write
Use memcpy_from_bvec instead of open coding the logic. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/20220303111905.321089-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/zram/zram_drv.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 14becdf2815d..e9474b02012d 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;