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author | 2010-05-21 11:09:42 +0200 | |
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committer | 2010-07-20 17:35:01 -0500 | |
commit | e9aaabc0e0da083ad2fe934890cc45a28fa76e39 (patch) | |
tree | ae12d74d9c1658a6860615b867e0e97287fb99b1 | |
parent | qcow2: Fix error handling in l2_allocate (diff) | |
download | qemu-kvm-e9aaabc0e0da083ad2fe934890cc45a28fa76e39.tar.gz qemu-kvm-e9aaabc0e0da083ad2fe934890cc45a28fa76e39.tar.bz2 qemu-kvm-e9aaabc0e0da083ad2fe934890cc45a28fa76e39.zip |
block: Fix multiwrite with overlapping requests
With overlapping requests, the total number of sectors is smaller than the sum
of the nb_sectors of both requests.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit cbf1dff2f1033cadcb15c0ffc9c0a3d039d8ed42)
-rw-r--r-- | block.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -1711,7 +1711,7 @@ static int multiwrite_merge(BlockDriverState *bs, BlockRequest *reqs, // Add the second request qemu_iovec_concat(qiov, reqs[i].qiov, reqs[i].qiov->size); - reqs[outidx].nb_sectors += reqs[i].nb_sectors; + reqs[outidx].nb_sectors = qiov->size >> 9; reqs[outidx].qiov = qiov; mcb->callbacks[i].free_qiov = reqs[outidx].qiov; |