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authorKevin Wolf <kwolf@redhat.com>2016-04-12 16:17:41 +0200
committerKevin Wolf <kwolf@redhat.com>2016-05-25 19:04:21 +0200
commite253f4b89796967d03a455d1df2ae6bda8cc7d01 (patch)
tree72c947ad50353bdb1988407279703799e7df95ed /blockdev.c
parentb8804815799eb8e924f015de6d1710cbd5b932ee (diff)
downloadqemu-e253f4b89796967d03a455d1df2ae6bda8cc7d01.zip
mirror: Use BlockBackend for I/O
This changes the mirror block job to use the job's BlockBackend for performing its I/O. job->bs isn't used by the mirroring code any more afterwards. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'blockdev.c')
-rw-r--r--blockdev.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/blockdev.c b/blockdev.c
index 3c06746456..66477ff347 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3621,9 +3621,9 @@ void qmp_drive_mirror(const char *device, const char *target,
has_on_target_error, on_target_error,
has_unmap, unmap,
&local_err);
+ bdrv_unref(target_bs);
if (local_err) {
error_propagate(errp, local_err);
- bdrv_unref(target_bs);
}
out:
aio_context_release(aio_context);
@@ -3667,7 +3667,6 @@ void qmp_blockdev_mirror(const char *device, const char *target,
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
- bdrv_ref(target_bs);
bdrv_set_aio_context(target_bs, aio_context);
blockdev_mirror_common(bs, target_bs,
@@ -3681,7 +3680,6 @@ void qmp_blockdev_mirror(const char *device, const char *target,
&local_err);
if (local_err) {
error_propagate(errp, local_err);
- bdrv_unref(target_bs);
}
aio_context_release(aio_context);