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[Qemu-block] [PATCH v4 13/17] migration/block: use qemu_iovec_init_buf
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-block] [PATCH v4 13/17] migration/block: use qemu_iovec_init_buf |
Date: |
Mon, 18 Feb 2019 17:09:22 +0300 |
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>
---
migration/block.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/migration/block.c b/migration/block.c
index 0e24e18d13..83c633fb3f 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -83,7 +83,6 @@ typedef struct BlkMigBlock {
BlkMigDevState *bmds;
int64_t sector;
int nr_sectors;
- struct iovec iov;
QEMUIOVector qiov;
BlockAIOCB *aiocb;
@@ -314,9 +313,7 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState
*bmds)
blk->sector = cur_sector;
blk->nr_sectors = nr_sectors;
- blk->iov.iov_base = blk->buf;
- blk->iov.iov_len = nr_sectors * BDRV_SECTOR_SIZE;
- qemu_iovec_init_external(&blk->qiov, &blk->iov, 1);
+ qemu_iovec_init_buf(&blk->qiov, blk->buf, nr_sectors * BDRV_SECTOR_SIZE);
blk_mig_lock();
block_mig_state.submitted++;
@@ -556,9 +553,8 @@ static int mig_save_device_dirty(QEMUFile *f,
BlkMigDevState *bmds,
blk->nr_sectors = nr_sectors;
if (is_async) {
- blk->iov.iov_base = blk->buf;
- blk->iov.iov_len = nr_sectors * BDRV_SECTOR_SIZE;
- qemu_iovec_init_external(&blk->qiov, &blk->iov, 1);
+ qemu_iovec_init_buf(&blk->qiov, blk->buf,
+ nr_sectors * BDRV_SECTOR_SIZE);
blk->aiocb = blk_aio_preadv(bmds->blk,
sector * BDRV_SECTOR_SIZE,
--
2.18.0
- Re: [Qemu-block] [Qemu-devel] [PATCH v4 01/17] block: enhance QEMUIOVector structure, (continued)
- [Qemu-block] [PATCH v4 08/17] block/qcow: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 09/17] block/qcow2: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 15/17] hw/ide: drop iov field from IDEState, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 07/17] block/parallels: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 04/17] block/backup: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 03/17] block/block-backend: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 05/17] block/commit: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 10/17] block/qed: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 06/17] block/stream: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 13/17] migration/block: use qemu_iovec_init_buf,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-block] [PATCH v4 14/17] tests/test-bdrv-drain: use QEMU_IOVEC_INIT_BUF, Vladimir Sementsov-Ogievskiy, 2019/02/18
- [Qemu-block] [PATCH v4 11/17] block/vmdk: use qemu_iovec_init_buf, Vladimir Sementsov-Ogievskiy, 2019/02/18
- Re: [Qemu-block] [Qemu-devel] [PATCH v4 00/17] block: local qiov helper, Stefan Hajnoczi, 2019/02/20