[PATCH 03/10] zram: use memcpy_to_bvec in zram_bvec_read
From: Christoph Hellwig <hch@lst.de>
Date: 2022-02-22 15:52:53
Also in:
linux-bcache, nvdimm
Subsystem:
block layer, the rest, zram compressed ram block device drvier · Maintainers:
Jens Axboe, Linus Torvalds, Minchan Kim, Sergey Senozhatsky
Use the proper helper instead of open coding the copy. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/block/zram/zram_drv.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index a3a5e1e713268..14becdf2815df 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c@@ -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))
--
2.30.2