diff options
| author | Eric Blake <eblake@redhat.com> | 2016-06-01 15:10:03 -0600 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2016-06-08 10:21:08 +0200 |
| commit | d05aa8bb4a8b6aa9a915ec5074fb12ae632d2323 (patch) | |
| tree | 0c3415bfcf77c141a2c4f5a4d8dc7e7cbf8e44be /include | |
| parent | cf081fca4e3cc02a309659b571ab0c5b225ea4cf (diff) | |
block: Add .bdrv_co_pwrite_zeroes()
Update bdrv_co_do_write_zeroes() to be byte-based, and select
between the new byte-based bdrv_co_pwrite_zeroes() or the old
bdrv_co_write_zeroes(). The next patches will convert drivers,
then remove the old interface.
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block_int.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 2e9c81ff95..1dfdf92dc8 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -165,6 +165,8 @@ struct BlockDriver { */ int coroutine_fn (*bdrv_co_write_zeroes)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags); + int coroutine_fn (*bdrv_co_pwrite_zeroes)(BlockDriverState *bs, + int64_t offset, int count, BdrvRequestFlags flags); int coroutine_fn (*bdrv_co_discard)(BlockDriverState *bs, int64_t sector_num, int nb_sectors); int64_t coroutine_fn (*bdrv_co_get_block_status)(BlockDriverState *bs, @@ -456,7 +458,7 @@ struct BlockDriverState { unsigned int request_alignment; /* Flags honored during pwrite (so far: BDRV_REQ_FUA) */ unsigned int supported_write_flags; - /* Flags honored during write_zeroes (so far: BDRV_REQ_FUA, + /* Flags honored during pwrite_zeroes (so far: BDRV_REQ_FUA, * BDRV_REQ_MAY_UNMAP) */ unsigned int supported_zero_flags; |