diff options
Diffstat (limited to 'include/block/block-common.h')
| -rw-r--r-- | include/block/block-common.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/block/block-common.h b/include/block/block-common.h index df5ffc8d09..2d2af7230d 100644 --- a/include/block/block-common.h +++ b/include/block/block-common.h @@ -66,10 +66,14 @@ * function. The coroutine yields after scheduling the BH and is reentered when * the wrapped function returns. * + * A no_co_wrapper_bdrv_wrlock function is a no_co_wrapper function that + * automatically takes the graph wrlock when calling the wrapped function. + * * If the first parameter of the function is a BlockDriverState, BdrvChild or * BlockBackend pointer, the AioContext lock for it is taken in the wrapper. */ #define no_co_wrapper +#define no_co_wrapper_bdrv_wrlock #include "block/blockjob.h" @@ -287,6 +291,8 @@ typedef enum { * layer rather than any backing, set by block layer * BDRV_BLOCK_EOF: the returned pnum covers through end of file for this * layer, set by block layer + * BDRV_BLOCK_COMPRESSED: the underlying data is compressed; only valid for + * the formats supporting compression: qcow, qcow2 * * Internal flags: * BDRV_BLOCK_RAW: for use by passthrough drivers, such as raw, to request @@ -322,6 +328,7 @@ typedef enum { #define BDRV_BLOCK_ALLOCATED 0x10 #define BDRV_BLOCK_EOF 0x20 #define BDRV_BLOCK_RECURSE 0x40 +#define BDRV_BLOCK_COMPRESSED 0x80 typedef QTAILQ_HEAD(BlockReopenQueue, BlockReopenQueueEntry) BlockReopenQueue; |