Commit 732022b8 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

rbd: use memzero_bvec 



Use memzero_bvec instead of reimplementing it.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarIlya Dryomov <idryomov@gmail.com>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20210727055646.118787-7-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent ab6c340e

drivers/block/rbd.c

+2 −13
Original line number Diff line number Diff line
@@ -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);

	}));

}