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| author | Kevin Wolf <kwolf@redhat.com> | 2011-09-01 15:02:13 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-09-06 11:23:51 +0200 |
| commit | 0fa9131a44943cc14c931a23eee040da4cc0c454 (patch) | |
| tree | 8b8a8b9710534a0550f174cbb75674293cad2f60 /block | |
| parent | 8e217d5384a38bdb4727c4e22d7ed64c351361f7 (diff) | |
| download | qemu-0fa9131a44943cc14c931a23eee040da4cc0c454.tar.gz | |
qcow2: Fix error cases to run depedent requests
Requests depending on a failed request would end up waiting forever. This fixes
the error path to continue dependent requests even when the request has failed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/qcow2.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index f26f7b66dc..8aed31004d 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -593,13 +593,12 @@ static int qcow2_co_writev(BlockDriverState *bs, } ret = qcow2_alloc_cluster_link_l2(bs, &l2meta); - - run_dependent_requests(s, &l2meta); - if (ret < 0) { goto fail; } + run_dependent_requests(s, &l2meta); + remaining_sectors -= cur_nr_sectors; sector_num += cur_nr_sectors; bytes_done += cur_nr_sectors * 512; @@ -607,6 +606,8 @@ static int qcow2_co_writev(BlockDriverState *bs, ret = 0; fail: + run_dependent_requests(s, &l2meta); + qemu_co_mutex_unlock(&s->lock); qemu_iovec_destroy(&hd_qiov); |