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[Qemu-block] [PATCH 8/9] block/stream: use buffer-based io
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-block] [PATCH 8/9] block/stream: use buffer-based io |
Date: |
Mon, 22 Apr 2019 17:58:37 +0300 |
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block/stream.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/block/stream.c b/block/stream.c
index bfaebb861a..1a906fd860 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -42,12 +42,10 @@ static int coroutine_fn stream_populate(BlockBackend *blk,
int64_t offset, uint64_t bytes,
void *buf)
{
- QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buf, bytes);
-
assert(bytes < SIZE_MAX);
/* Copy-on-read the unallocated clusters */
- return blk_co_preadv(blk, offset, qiov.size, &qiov, BDRV_REQ_COPY_ON_READ);
+ return blk_co_pread(blk, offset, bytes, buf, BDRV_REQ_COPY_ON_READ);
}
static void stream_abort(Job *job)
--
2.18.0
- [Qemu-block] [PATCH 0/9] block: buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 8/9] block/stream: use buffer-based io,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-block] [PATCH 7/9] block/commit: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 1/9] block: introduce byte-based io helpers, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 6/9] block/backup: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 4/9] block/qed: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 5/9] block/parallels: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 2/9] block/qcow2: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 3/9] block/qcow: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- [Qemu-block] [PATCH 9/9] qemu-img: use buffer-based io, Vladimir Sementsov-Ogievskiy, 2019/04/22
- Re: [Qemu-block] [PATCH 0/9] block: buffer-based io, Stefan Hajnoczi, 2019/04/23