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block/vmdk: use qemu_iovec_init_buf

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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: 20190218140926.333779-12-vsementsov@virtuozzo.com
Message-Id: <20190218140926.333779-12-vsementsov@virtuozzo.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-02-18 17:09:20 +03:00 committed by Stefan Hajnoczi
parent 342544f98b
commit 199d95b043
1 changed files with 1 additions and 6 deletions
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7
block/vmdk.c
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@ -1371,7 +1371,6 @@ static int vmdk_write_extent(VmdkExtent *extent, int64_t cluster_offset,
VmdkGrainMarker *data = NULL;
uLongf buf_len;
QEMUIOVector local_qiov;
struct iovec iov;
int64_t write_offset;
int64_t write_end_sector;
@ -1399,11 +1398,7 @@ static int vmdk_write_extent(VmdkExtent *extent, int64_t cluster_offset,
data->size = cpu_to_le32(buf_len);
n_bytes = buf_len + sizeof(VmdkGrainMarker);
iov = (struct iovec) {
.iov_base = data,
.iov_len = n_bytes,
};
qemu_iovec_init_external(&local_qiov, &iov, 1);
qemu_iovec_init_buf(&local_qiov, data, n_bytes);
BLKDBG_EVENT(extent->file, BLKDBG_WRITE_COMPRESSED);
} else {