diff options
Diffstat (limited to 'block_int.h')
| -rw-r--r-- | block_int.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block_int.h b/block_int.h index 6b3b09808b..eb5cd42392 100644 --- a/block_int.h +++ b/block_int.h @@ -72,6 +72,8 @@ struct BlockDriver { BlockDriverCompletionFunc *cb, void *opaque); BlockDriverAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs, BlockDriverCompletionFunc *cb, void *opaque); + int (*bdrv_discard)(BlockDriverState *bs, int64_t sector_num, + int nb_sectors); int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs, int num_reqs); @@ -227,6 +229,7 @@ typedef struct BlockConf { uint16_t min_io_size; uint32_t opt_io_size; int32_t bootindex; + uint32_t discard_granularity; } BlockConf; static inline unsigned int get_physical_block_exp(BlockConf *conf) @@ -250,6 +253,8 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) _conf.physical_block_size, 512), \ DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 0), \ DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 0), \ - DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1) \ + DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1), \ + DEFINE_PROP_UINT32("discard_granularity", _state, \ + _conf.discard_granularity, 0) #endif /* BLOCK_INT_H */ |