Messages in this thread Patch in this message | | | From | Christoph Hellwig <> | Subject | [PATCH 05/15] block: use memzero_page in zero_fill_bio | Date | Tue, 27 Jul 2021 07:56:36 +0200 |
| |
Use memzero_bvec to zero each segment in the bio instead of manually mapping and zeroing the data.
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> --- block/bio.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/block/bio.c b/block/bio.c index 1fab762e079b..2e436bccb1e2 100644 --- a/block/bio.c +++ b/block/bio.c @@ -495,16 +495,11 @@ EXPORT_SYMBOL(bio_kmalloc); void zero_fill_bio(struct bio *bio) { - unsigned long flags; struct bio_vec bv; struct bvec_iter iter; - bio_for_each_segment(bv, bio, iter) { - char *data = bvec_kmap_irq(&bv, &flags); - memset(data, 0, bv.bv_len); - flush_dcache_page(bv.bv_page); - bvec_kunmap_irq(data, &flags); - } + bio_for_each_segment(bv, bio, iter) + memzero_bvec(&bv); } EXPORT_SYMBOL(zero_fill_bio); -- 2.30.2
| |