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[Qemu-devel] [PATCH 1/9] mirror: fix calling of blk_aio_pwritev/blk_aio_
From: |
Denis V. Lunev |
Subject: |
[Qemu-devel] [PATCH 1/9] mirror: fix calling of blk_aio_pwritev/blk_aio_preadv |
Date: |
Tue, 14 Jun 2016 18:25:08 +0300 |
4th argument is flags rather than size. Fortunately flags occupies
5 less significant bits and they are always zero due to alignment.
Signed-off-by: Denis V. Lunev <address@hidden>
Reviewed-by: Vladimir Sementsov-Ogievskiy<address@hidden>
CC: Stefan Hajnoczi <address@hidden>
CC: Fam Zheng <address@hidden>
CC: Kevin Wolf <address@hidden>
CC: Max Reitz <address@hidden>
CC: Jeff Cody <address@hidden>
CC: Eric Blake <address@hidden>
---
block/mirror.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/block/mirror.c b/block/mirror.c
index 80fd3c7..3760e29 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -156,8 +156,7 @@ static void mirror_read_complete(void *opaque, int ret)
mirror_iteration_done(op, ret);
return;
}
- blk_aio_pwritev(s->target, op->sector_num * BDRV_SECTOR_SIZE, &op->qiov,
- op->nb_sectors * BDRV_SECTOR_SIZE,
+ blk_aio_pwritev(s->target, op->sector_num * BDRV_SECTOR_SIZE, &op->qiov, 0,
mirror_write_complete, op);
}
@@ -274,8 +273,7 @@ static int mirror_do_read(MirrorBlockJob *s, int64_t
sector_num,
s->sectors_in_flight += nb_sectors;
trace_mirror_one_iteration(s, sector_num, nb_sectors);
- blk_aio_preadv(source, sector_num * BDRV_SECTOR_SIZE, &op->qiov,
- nb_sectors * BDRV_SECTOR_SIZE,
+ blk_aio_preadv(source, sector_num * BDRV_SECTOR_SIZE, &op->qiov, 0,
mirror_read_complete, op);
return ret;
}
--
2.5.0
[Qemu-devel] [PATCH 2/9] mirror: create mirror_dirty_init helper for mirror_run, Denis V. Lunev, 2016/06/14
[Qemu-devel] [PATCH 6/9] block: pass qiov into before_write notifier, Denis V. Lunev, 2016/06/14