From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com,
mreitz@redhat.com
Subject: [Qemu-devel] [PATCH 8/8] block: Use blk_co_pwritev() in blk_co_write_zeroes()
Date: Tue, 8 Mar 2016 13:47:53 +0100 [thread overview]
Message-ID: <1457441273-29821-9-git-send-email-kwolf@redhat.com> (raw)
In-Reply-To: <1457441273-29821-1-git-send-email-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
block/block-backend.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/block/block-backend.c b/block/block-backend.c
index 2947e8c..1c2ea72 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1465,12 +1465,13 @@ void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,
int coroutine_fn blk_co_write_zeroes(BlockBackend *blk, int64_t sector_num,
int nb_sectors, BdrvRequestFlags flags)
{
- int ret = blk_check_request(blk, sector_num, nb_sectors);
- if (ret < 0) {
- return ret;
+ if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) {
+ return -EINVAL;
}
- return bdrv_co_write_zeroes(blk_bs(blk), sector_num, nb_sectors, flags);
+ return blk_co_pwritev(blk, sector_num << BDRV_SECTOR_BITS,
+ nb_sectors << BDRV_SECTOR_BITS, NULL,
+ BDRV_REQ_ZERO_WRITE);
}
int blk_write_compressed(BlockBackend *blk, int64_t sector_num,
--
1.8.3.1
next prev parent reply other threads:[~2016-03-08 12:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-08 12:47 [Qemu-devel] [PATCH 0/8] block: Introduce common read/write function Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 1/8] block: Use BdrvChild in BlockBackend Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 2/8] block: Use blk_co_preadv() for blk_read() Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 3/8] block: Use blk_co_pwritev() for blk_write() Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 4/8] block: Pull up blk_read_unthrottled() implementation Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 5/8] block: Use blk_co_pwritev() in blk_write_zeroes() Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 6/8] block: Use blk_prw() in blk_pread()/blk_pwrite() Kevin Wolf
2016-03-08 12:47 ` [Qemu-devel] [PATCH 7/8] block: Use blk_aio_prwv() for aio_read/write/write_zeroes Kevin Wolf
2016-03-08 12:47 ` Kevin Wolf [this message]
2016-03-17 14:08 ` [Qemu-devel] [PATCH 0/8] block: Introduce common read/write function Kevin Wolf
2016-03-17 14:35 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
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