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[Qemu-devel] [PULL 27/29] block: Use blk_co_pwritev() in blk_co_write_ze
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 27/29] block: Use blk_co_pwritev() in blk_co_write_zeroes() |
Date: |
Thu, 17 Mar 2016 16:56:40 +0100 |
Signed-off-by: Kevin Wolf <address@hidden>
---
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 972a617..dca21d1 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1462,12 +1462,13 @@ 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
- [Qemu-devel] [PULL 21/29] block: Use blk_co_preadv() for blk_read(), (continued)
- [Qemu-devel] [PULL 21/29] block: Use blk_co_preadv() for blk_read(), Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 18/29] block: Use bdrv_next() instead of bdrv_states, Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 22/29] block: Use blk_co_pwritev() for blk_write(), Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 23/29] block: Pull up blk_read_unthrottled() implementation, Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 26/29] block: Use blk_aio_prwv() for aio_read/write/write_zeroes, Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 20/29] block: Use BdrvChild in BlockBackend, Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 28/29] quorum: Emit QUORUM_REPORT_BAD for reads in fifo mode, Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 25/29] block: Use blk_prw() in blk_pread()/blk_pwrite(), Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 24/29] block: Use blk_co_pwritev() in blk_write_zeroes(), Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 29/29] iotests: Test QUORUM_REPORT_BAD in fifo mode, Kevin Wolf, 2016/03/17
- [Qemu-devel] [PULL 27/29] block: Use blk_co_pwritev() in blk_co_write_zeroes(),
Kevin Wolf <=
- Re: [Qemu-devel] [PULL 00/29] Block patches, Peter Maydell, 2016/03/17