From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Geoff Levand <geoff@infradead.org>,
Ilya Dryomov <idryomov@gmail.com>,
Dongsheng Yang <dongsheng.yang@easystack.cn>,
Mike Snitzer <snitzer@redhat.com>,
Ira Weiny <ira.weiny@intel.com>,
dm-devel@redhat.com, linux-mips@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org
Subject: [PATCH 07/16] rbd: use memzero_bvec
Date: Tue, 8 Jun 2021 18:05:54 +0200 [thread overview]
Message-ID: <20210608160603.1535935-8-hch@lst.de> (raw)
In-Reply-To: <20210608160603.1535935-1-hch@lst.de>
Use memzero_bvec instead of reimplementing it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
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 bbb88eb009e0..eb243fc4d108 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
next prev parent reply other threads:[~2021-06-08 16:07 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 16:05 switch the block layer to use kmap_local_page Christoph Hellwig
2021-06-08 16:05 ` [PATCH 01/16] mm: use kmap_local_page in memzero_page Christoph Hellwig
2021-06-08 18:17 ` Chaitanya Kulkarni
2021-06-08 16:05 ` [PATCH 02/16] MIPS: don't include <linux/genhd.h> in <asm/mach-rc32434/rb.h> Christoph Hellwig
2021-06-08 16:23 ` Bart Van Assche
2021-06-08 16:05 ` [PATCH 03/16] bvec: fix the include guards for bvec.h Christoph Hellwig
2021-06-08 16:23 ` Bart Van Assche
2021-06-08 18:18 ` Chaitanya Kulkarni
2021-06-08 16:05 ` [PATCH 04/16] bvec: add a bvec_kmap_local helper Christoph Hellwig
2021-06-08 18:18 ` Chaitanya Kulkarni
2021-06-09 9:33 ` Ilya Dryomov
2021-06-08 16:05 ` [PATCH 05/16] bvec: add memcpy_{from,to}_bvec and memzero_bvec helper Christoph Hellwig
2021-06-08 18:21 ` Chaitanya Kulkarni
2021-06-08 16:05 ` [PATCH 06/16] block: use memzero_page in zero_fill_bio Christoph Hellwig
2021-06-08 18:19 ` Chaitanya Kulkarni
2021-06-08 16:05 ` Christoph Hellwig [this message]
2021-06-09 9:37 ` [PATCH 07/16] rbd: use memzero_bvec Ilya Dryomov
2021-06-08 16:05 ` [PATCH 08/16] dm-writecache: use bvec_kmap_local instead of bvec_kmap_irq Christoph Hellwig
2021-06-08 16:30 ` Bart Van Assche
2021-06-08 16:38 ` Christoph Hellwig
2021-06-08 16:05 ` [PATCH 09/16] ps3disk: use memcpy_{from,to}_bvec Christoph Hellwig
2021-06-09 1:48 ` Ira Weiny
2021-06-11 6:53 ` Christoph Hellwig
2021-06-12 4:07 ` Ira Weiny
2021-06-15 5:02 ` Herbert Xu
2021-06-08 16:05 ` [PATCH 10/16] block: remove bvec_kmap_irq and bvec_kunmap_irq Christoph Hellwig
2021-06-08 16:05 ` [PATCH 11/16] block: rewrite bio_copy_data_iter to use bvec_kmap_local and memcpy_to_bvec Christoph Hellwig
2021-06-08 16:05 ` [PATCH 12/16] block: use memcpy_to_bvec in copy_to_high_bio_irq Christoph Hellwig
2021-06-08 18:24 ` Chaitanya Kulkarni
2021-06-08 16:06 ` [PATCH 13/16] block: use memcpy_from_bvec in bio_copy_kern_endio_read Christoph Hellwig
2021-06-08 18:26 ` Chaitanya Kulkarni
2021-06-08 16:06 ` [PATCH 14/16] block: use memcpy_from_bvec in __blk_queue_bounce Christoph Hellwig
2021-06-09 1:58 ` Ira Weiny
2021-06-08 16:06 ` [PATCH 15/16] block: use bvec_kmap_local in t10_pi_type1_{prepare,complete} Christoph Hellwig
2021-06-08 16:06 ` [PATCH 16/16] block: use bvec_kmap_local in bio_integrity_process Christoph Hellwig
2021-06-09 1:59 ` switch the block layer to use kmap_local_page Ira Weiny
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