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authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2012-08-09 13:05:56 +0100
committerKevin Wolf <kwolf@redhat.com>2012-08-10 10:25:12 +0200
commit058f8f16db0c1c528b665a6283457f019c8b0926 (patch)
treecf49eb0701d42ae865a1156354112f29e5800929 /block/qcow2.c
parentacbe59829e448aa63bdccc6ee484b7e1ac605e25 (diff)
block: add BLOCK_O_CHECK for qemu-img check
Image formats with a dirty bit, like qed and qcow2, repair dirty image files upon open with BDRV_O_RDWR. Performing automatic repair when qemu-img check runs is not ideal because the bdrv_open() call repairs the image before the actual bdrv_check() call from qemu-img.c. Fix this "double repair" since it leads to confusing output from qemu-img check. Tell the block driver that this image is being opened just for bdrv_check(). This skips automatic repair and qemu-img.c can invoke it manually with bdrv_check(). Update the golden output for qemu-iotests 039 to reflect the new qemu-img check output. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 5896fd6d9c..8f183f1465 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -484,8 +484,8 @@ static int qcow2_open(BlockDriverState *bs, int flags)
qemu_co_mutex_init(&s->lock);
/* Repair image if dirty */
- if ((s->incompatible_features & QCOW2_INCOMPAT_DIRTY) &&
- !bs->read_only) {
+ if (!(flags & BDRV_O_CHECK) && !bs->read_only &&
+ (s->incompatible_features & QCOW2_INCOMPAT_DIRTY)) {
BdrvCheckResult result = {0};
ret = qcow2_check(bs, &result, BDRV_FIX_ERRORS);