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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-02-18 17:09:21 +0300
committerStefan Hajnoczi <stefanha@redhat.com>2019-02-22 09:42:13 +0000
commitc075a0af22442e88226a6cef22da3fafccfb5d7e (patch)
treef7cfa50f337c75afb61d1175f1c1bf1063e36817 /qemu-img.c
parent199d95b043f4d160deb6162527b5141bd6b7bdc9 (diff)
qemu-img: 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: 20190218140926.333779-13-vsementsov@virtuozzo.com Message-Id: <20190218140926.333779-13-vsementsov@virtuozzo.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-img.c')
-rw-r--r--qemu-img.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/qemu-img.c b/qemu-img.c
index 25288c4d18..7853935049 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1670,7 +1670,6 @@ static int coroutine_fn convert_co_read(ImgConvertState *s, int64_t sector_num,
{
int n, ret;
QEMUIOVector qiov;
- struct iovec iov;
assert(nb_sectors <= s->buf_sectors);
while (nb_sectors > 0) {
@@ -1686,9 +1685,7 @@ static int coroutine_fn convert_co_read(ImgConvertState *s, int64_t sector_num,
bs_sectors = s->src_sectors[src_cur];
n = MIN(nb_sectors, bs_sectors - (sector_num - src_cur_offset));
- iov.iov_base = buf;
- iov.iov_len = n << BDRV_SECTOR_BITS;
- qemu_iovec_init_external(&qiov, &iov, 1);
+ qemu_iovec_init_buf(&qiov, buf, n << BDRV_SECTOR_BITS);
ret = blk_co_preadv(
blk, (sector_num - src_cur_offset) << BDRV_SECTOR_BITS,
@@ -1712,7 +1709,6 @@ static int coroutine_fn convert_co_write(ImgConvertState *s, int64_t sector_num,
{
int ret;
QEMUIOVector qiov;
- struct iovec iov;
while (nb_sectors > 0) {
int n = nb_sectors;
@@ -1740,9 +1736,7 @@ static int coroutine_fn convert_co_write(ImgConvertState *s, int64_t sector_num,
(s->compressed &&
!buffer_is_zero(buf, n * BDRV_SECTOR_SIZE)))
{
- iov.iov_base = buf;
- iov.iov_len = n << BDRV_SECTOR_BITS;
- qemu_iovec_init_external(&qiov, &iov, 1);
+ qemu_iovec_init_buf(&qiov, buf, n << BDRV_SECTOR_BITS);
ret = blk_co_pwritev(s->target, sector_num << BDRV_SECTOR_BITS,
n << BDRV_SECTOR_BITS, &qiov, flags);