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authorBenoƮt Canet <benoit@irqsave.net>2013-10-02 14:33:48 +0200
committerKevin Wolf <kwolf@redhat.com>2013-10-11 16:49:59 +0200
commitf6186f49e2c98d91f22027d8c62996df4fcf3f92 (patch)
treeeb831f18393107e9014f1bbf91931d21427afd84 /include/block/block_int.h
parent92bc50a5ad7fbc9a0bd17240eaea5027a100ca79 (diff)
downloadqemu-f6186f49e2c98d91f22027d8c62996df4fcf3f92.tar.gz
block: Add BlockDriver.bdrv_check_ext_snapshot.
This field is used by blkverify to disable external snapshots creation. It will also be used by block filters like quorum to disable external snapshot creation. Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/block/block_int.h')
-rw-r--r--include/block/block_int.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 17b26b2a9f..a48731d539 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -67,6 +67,12 @@ typedef struct BdrvTrackedRequest {
struct BlockDriver {
const char *format_name;
int instance_size;
+
+ /* if not defined external snapshots are allowed
+ * future block filters will query their children to build the response
+ */
+ ExtSnapshotPerm (*bdrv_check_ext_snapshot)(BlockDriverState *bs);
+
int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename);
int (*bdrv_probe_device)(const char *filename);