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| author | Paolo Bonzini <pbonzini@redhat.com> | 2011-10-17 12:32:14 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-10-21 17:34:13 +0200 |
| commit | 4265d620c5a91b58c757ce76fa2b0fff86fa1df1 (patch) | |
| tree | da029b3d1ffbdec9bfafacee4cb22a746b8a7f34 /block_int.h | |
| parent | 6f6dc6565e2b65ec8c0cf47622b4f5f1468d194e (diff) | |
| download | focaccia-qemu-4265d620c5a91b58c757ce76fa2b0fff86fa1df1.tar.gz focaccia-qemu-4265d620c5a91b58c757ce76fa2b0fff86fa1df1.zip | |
block: add bdrv_co_discard and bdrv_aio_discard support
This similarly adds support for coroutine and asynchronous discard. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block_int.h')
| -rw-r--r-- | block_int.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/block_int.h b/block_int.h index 9cb536d392..384598ff02 100644 --- a/block_int.h +++ b/block_int.h @@ -63,6 +63,8 @@ struct BlockDriver { void (*bdrv_close)(BlockDriverState *bs); int (*bdrv_create)(const char *filename, QEMUOptionParameter *options); int (*bdrv_flush)(BlockDriverState *bs); + int (*bdrv_discard)(BlockDriverState *bs, int64_t sector_num, + int nb_sectors); int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum); int (*bdrv_set_key)(BlockDriverState *bs, const char *key); @@ -76,14 +78,17 @@ 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); + BlockDriverAIOCB *(*bdrv_aio_discard)(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, + BlockDriverCompletionFunc *cb, void *opaque); int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); int coroutine_fn (*bdrv_co_writev)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); int coroutine_fn (*bdrv_co_flush)(BlockDriverState *bs); + int coroutine_fn (*bdrv_co_discard)(BlockDriverState *bs, + int64_t sector_num, int nb_sectors); int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs, int num_reqs); |