diff options
Diffstat (limited to 'block.h')
| -rw-r--r-- | block.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block.h b/block.h index fa51ddf150..f660d5f4d9 100644 --- a/block.h +++ b/block.h @@ -39,6 +39,7 @@ typedef struct QEMUSnapshotInfo { #define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */ #define BDRV_O_CACHE_WB 0x0040 /* use write-back caching */ #define BDRV_O_NATIVE_AIO 0x0080 /* use native AIO instead of the thread pool */ +#define BDRV_O_NO_BACKING 0x0100 /* don't open the backing file */ #define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB) |