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[Qemu-block] [PATCH v4 04/17] block/backup: use qemu_iovec_init_buf
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-block] [PATCH v4 04/17] block/backup: use qemu_iovec_init_buf |
Date: |
Mon, 18 Feb 2019 17:09:13 +0300 |
Use new qemu_iovec_init_buf() instead of
qemu_iovec_init_external( ... , 1), which simplifies the code.
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
---
block/backup.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/block/backup.c b/block/backup.c
index 435414e964..9988753249 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -107,7 +107,6 @@ static int coroutine_fn
backup_cow_with_bounce_buffer(BackupBlockJob *job,
void **bounce_buffer)
{
int ret;
- struct iovec iov;
QEMUIOVector qiov;
BlockBackend *blk = job->common.blk;
int nbytes;
@@ -119,9 +118,7 @@ static int coroutine_fn
backup_cow_with_bounce_buffer(BackupBlockJob *job,
if (!*bounce_buffer) {
*bounce_buffer = blk_blockalign(blk, job->cluster_size);
}
- iov.iov_base = *bounce_buffer;
- iov.iov_len = nbytes;
- qemu_iovec_init_external(&qiov, &iov, 1);
+ qemu_iovec_init_buf(&qiov, *bounce_buffer, nbytes);
ret = blk_co_preadv(blk, start, qiov.size, &qiov, read_flags);
if (ret < 0) {
--
2.18.0
- [Qemu-block] [PATCH v4 16/17] hw/ide: drop iov field from IDEBufferedRequest, (continued)
- [Qemu-block] [PATCH v4 16/17] hw/ide: drop iov field from IDEBufferedRequest, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 17/17] hw/ide: drop iov field from IDEDMA, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 02/17] block/io: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 12/17] qemu-img: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 01/17] block: enhance QEMUIOVector structure, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 08/17] block/qcow: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 09/17] block/qcow2: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 15/17] hw/ide: drop iov field from IDEState, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 07/17] block/parallels: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 04/17] block/backup: use qemu_iovec_init_buf,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-block] [PATCH v4 03/17] block/block-backend: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 05/17] block/commit: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 10/17] block/qed: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 06/17] block/stream: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 13/17] migration/block: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 14/17] tests/test-bdrv-drain: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 11/17] block/vmdk: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- Re: [Qemu-block] [Qemu-devel] [PATCH v4 00/17] block: local qiov helper, Stefan Hajnoczi, 2019/02/20