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[Qemu-block] [PULL 07/27] block/parallels: use QEMU_IOVEC_INIT_BUF
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-block] [PULL 07/27] block/parallels: use QEMU_IOVEC_INIT_BUF |
Date: |
Fri, 22 Feb 2019 14:07:36 +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/parallels.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/block/parallels.c b/block/parallels.c
index cc9445879d..15bc97b759 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -220,23 +220,20 @@ static int64_t allocate_clusters(BlockDriverState *bs,
int64_t sector_num,
if (bs->backing) {
int64_t nb_cow_sectors = to_allocate * s->tracks;
int64_t nb_cow_bytes = nb_cow_sectors << BDRV_SECTOR_BITS;
- QEMUIOVector qiov;
- struct iovec iov = {
- .iov_len = nb_cow_bytes,
- .iov_base = qemu_blockalign(bs, nb_cow_bytes)
- };
- qemu_iovec_init_external(&qiov, &iov, 1);
+ QEMUIOVector qiov =
+ QEMU_IOVEC_INIT_BUF(qiov, qemu_blockalign(bs, nb_cow_bytes),
+ nb_cow_bytes);
ret = bdrv_co_preadv(bs->backing, idx * s->tracks * BDRV_SECTOR_SIZE,
nb_cow_bytes, &qiov, 0);
if (ret < 0) {
- qemu_vfree(iov.iov_base);
+ qemu_vfree(qemu_iovec_buf(&qiov));
return ret;
}
ret = bdrv_co_pwritev(bs->file, s->data_end * BDRV_SECTOR_SIZE,
nb_cow_bytes, &qiov, 0);
- qemu_vfree(iov.iov_base);
+ qemu_vfree(qemu_iovec_buf(&qiov));
if (ret < 0) {
return ret;
}
--
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, 2019/02/22
- [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 <=
- [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
- [Qemu-block] [PULL 10/27] block/qed: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 14/27] tests/test-bdrv-drain: use QEMU_IOVEC_INIT_BUF, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 15/27] hw/ide: drop iov field from IDEState, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 12/27] qemu-img: use qemu_iovec_init_buf, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 22/27] virtio-blk: set config size depending on the features enabled, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 16/27] hw/ide: drop iov field from IDEBufferedRequest, Stefan Hajnoczi, 2019/02/22
- [Qemu-block] [PULL 18/27] virtio-blk: add acct_failed param to virtio_blk_handle_rw_error(), Stefan Hajnoczi, 2019/02/22