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zram: use memcpy_to_bvec in zram_bvec_read 

Use the proper helper instead of open coding the copy.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20220303111905.321089-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-03-03 14:18:58 +03:00 committed by Jens Axboe
parent b7ab4611b6
commit b3bd0a8a74
1 changed files with 1 additions and 3 deletions
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4
drivers/block/zram/zram_drv.c
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@ -1331,12 +1331,10 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
goto out;
if (is_partial_io(bvec)) {
void *dst = kmap_atomic(bvec->bv_page);
void *src = kmap_atomic(page);
memcpy(dst + bvec->bv_offset, src + offset, bvec->bv_len);
memcpy_to_bvec(bvec, src + offset);
kunmap_atomic(src);
kunmap_atomic(dst);
}
out:
if (is_partial_io(bvec))