diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-02-18 17:09:13 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2019-02-22 09:42:13 +0000 |
| commit | 31e0a6e1af78fcca60fa30c345fb7b54d49da0c9 (patch) | |
| tree | 85a85e62799272bf3679bc3496fe4f70038adec4 /block | |
| parent | ae5a9592ce0d5c11e40667f217b2e2ceba33927f (diff) | |
| download | qemu-31e0a6e1af78fcca60fa30c345fb7b54d49da0c9.zip | |
block/backup: use qemu_iovec_init_buf
Use new qemu_iovec_init_buf() instead of
qemu_iovec_init_external( ... , 1), which simplifies the code.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190218140926.333779-5-vsementsov@virtuozzo.com
Message-Id: <20190218140926.333779-5-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/backup.c | 5 |
1 files changed, 1 insertions, 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) { |