[PATCH 09/18] rbd: use memzero_bvec
From: Christoph Hellwig <hch@lst.de>
Date: 2021-06-15 13:30:26
Also in:
ceph-devel, dm-devel, linux-block, linux-mips, linuxppc-dev, lkml
Subsystem:
block layer, rados block device (rbd), the rest · Maintainers:
Jens Axboe, Ilya Dryomov, Linus Torvalds
Use memzero_bvec instead of reimplementing it. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> --- drivers/block/rbd.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 531d390902dd..501a10bfb1fe 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c@@ -1219,24 +1219,13 @@ static void rbd_dev_mapping_clear(struct rbd_device *rbd_dev) rbd_dev->mapping.size = 0; } -static void zero_bvec(struct bio_vec *bv) -{ - void *buf; - unsigned long flags; - - buf = bvec_kmap_irq(bv, &flags); - memset(buf, 0, bv->bv_len); - flush_dcache_page(bv->bv_page); - bvec_kunmap_irq(buf, &flags); -} - static void zero_bios(struct ceph_bio_iter *bio_pos, u32 off, u32 bytes) { struct ceph_bio_iter it = *bio_pos; ceph_bio_iter_advance(&it, off); ceph_bio_iter_advance_step(&it, bytes, ({ - zero_bvec(&bv); + memzero_bvec(&bv); })); }
@@ -1246,7 +1235,7 @@ static void zero_bvecs(struct ceph_bvec_iter *bvec_pos, u32 off, u32 bytes) ceph_bvec_iter_advance(&it, off); ceph_bvec_iter_advance_step(&it, bytes, ({ - zero_bvec(&bv); + memzero_bvec(&bv); })); }
--
2.30.2