qemu-img check: Distinguish different kinds of errors

People think that their images are corrupted when in fact there are just some
leaked clusters. Differentiating several error cases should make the messages
more comprehensible.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/block.h b/block.h
index 3d03b3e04..c2a7e4c76 100644
--- a/block.h
+++ b/block.h
@@ -74,7 +74,6 @@ void bdrv_close(BlockDriverState *bs);
 int bdrv_attach(BlockDriverState *bs, DeviceState *qdev);
 void bdrv_detach(BlockDriverState *bs, DeviceState *qdev);
 DeviceState *bdrv_get_attached(BlockDriverState *bs);
-int bdrv_check(BlockDriverState *bs);
 int bdrv_read(BlockDriverState *bs, int64_t sector_num,
               uint8_t *buf, int nb_sectors);
 int bdrv_write(BlockDriverState *bs, int64_t sector_num,
@@ -97,6 +96,15 @@ int bdrv_change_backing_file(BlockDriverState *bs,
     const char *backing_file, const char *backing_fmt);
 void bdrv_register(BlockDriver *bdrv);
 
+
+typedef struct BdrvCheckResult {
+    int corruptions;
+    int leaks;
+    int check_errors;
+} BdrvCheckResult;
+
+int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res);
+
 /* async block I/O */
 typedef struct BlockDriverAIOCB BlockDriverAIOCB;
 typedef void BlockDriverCompletionFunc(void *opaque, int ret);