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block: Kill .bdrv_co_discard()

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Now that all drivers have a byte-based .bdrv_co_pdiscard(), we
no longer need to worry about the sector-based version.  We can
also relax our minimum alignment to 1 for drivers that support it.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1468624988-423-18-git-send-email-eblake@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Eric Blake 2016-07-15 17:23:06 -06:00 • committed by Stefan Hajnoczi
parent dde4753763
commit 02aefe43cb
2 changed files with 2 additions and 9 deletions
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2
include/block/block_int.h
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@ -165,8 +165,6 @@ struct BlockDriver {
*/
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);
int coroutine_fn (*bdrv_co_pdiscard)(BlockDriverState *bs,
int64_t offset, int count);
int64_t coroutine_fn (*bdrv_co_get_block_status)(BlockDriverState *bs,