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[Qemu-block] [PULL 04/27] block/backup: use qemu_iovec_init_buf
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-block] [PULL 04/27] block/backup: use qemu_iovec_init_buf |
Date: |
Fri, 22 Feb 2019 14:07:33 +0000 |
From: Vladimir Sementsov-Ogievskiy <address@hidden>
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>
Message-id: address@hidden
Message-Id: <address@hidden>
Signed-off-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) {
--
2.20.1
- [Qemu-block] [PULL 00/27] Block patches, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 04/27] block/backup: use qemu_iovec_init_buf,
Stefan Hajnoczi <=
- [Qemu-block] [PULL 06/27] block/stream: use QEMU_IOVEC_INIT_BUF, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 02/27] block/io: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 05/27] block/commit: use QEMU_IOVEC_INIT_BUF, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 03/27] block/block-backend: use QEMU_IOVEC_INIT_BUF, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 11/27] block/vmdk: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 01/27] block: enhance QEMUIOVector structure, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 07/27] block/parallels: use QEMU_IOVEC_INIT_BUF, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 08/27] block/qcow: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 09/27] block/qcow2: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 13/27] migration/block: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22