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[Qemu-block] [PULL 22/27] block/commit: use buffer-based io
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 22/27] block/commit: use buffer-based io |
Date: |
Tue, 30 Apr 2019 17:42:39 +0200 |
From: Vladimir Sementsov-Ogievskiy <address@hidden>
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Stefano Garzarella <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/commit.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/block/commit.c b/block/commit.c
index ba60fef58a..08204fa6f8 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -48,16 +48,15 @@ static int coroutine_fn commit_populate(BlockBackend *bs,
BlockBackend *base,
void *buf)
{
int ret = 0;
- QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
assert(bytes < SIZE_MAX);
- ret = blk_co_preadv(bs, offset, qiov.size, &qiov, 0);
+ ret = blk_co_pread(bs, offset, bytes, buf, 0);
if (ret < 0) {
return ret;
}
- ret = blk_co_pwritev(base, offset, qiov.size, &qiov, 0);
+ ret = blk_co_pwrite(base, offset, bytes, buf, 0);
if (ret < 0) {
return ret;
}
--
2.20.1
- [Qemu-block] [PULL 16/27] block: introduce byte-based io helpers, (continued)
- [Qemu-block] [PULL 16/27] block: introduce byte-based io helpers, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 13/27] qemu-img: Make create hint at protocol options, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 20/27] block/parallels: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 23/27] block/stream: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 17/27] block/qcow2: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 18/27] block/qcow: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 21/27] block/backup: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 19/27] block/qed: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 25/27] commit: Make base read-only if there is an early failure, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 24/27] qemu-img: use buffer-based io, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 22/27] block/commit: use buffer-based io,
Kevin Wolf <=
- [Qemu-block] [PULL 26/27] iotests: Check that images are in read-only mode after block-commit, Kevin Wolf, 2019/04/30
- [Qemu-block] [PULL 27/27] block/qed: add missed coroutine_fn markers, Kevin Wolf, 2019/04/30
- Re: [Qemu-block] [Qemu-devel] [PULL 00/27] Block layer patches, Peter Maydell, 2019/04/30