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qcow2: Switch .bdrv_co_discard() to byte-based 

Another step towards killing off sector-based block APIs.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1468624988-423-15-git-send-email-eblake@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Eric Blake 2016-07-15 17:23:03 -06:00 committed by Stefan Hajnoczi
parent 447e57c3b0
commit 82e8a7888b
1 changed files with 5 additions and 5 deletions
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10
block/qcow2.c
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@ -2479,15 +2479,15 @@ static coroutine_fn int qcow2_co_pwrite_zeroes(BlockDriverState *bs,
return ret;
}
static coroutine_fn int qcow2_co_discard(BlockDriverState *bs,
int64_t sector_num, int nb_sectors)
static coroutine_fn int qcow2_co_pdiscard(BlockDriverState *bs,
int64_t offset, int count)
{
int ret;
BDRVQcow2State *s = bs->opaque;
qemu_co_mutex_lock(&s->lock);
ret = qcow2_discard_clusters(bs, sector_num << BDRV_SECTOR_BITS,
nb_sectors, QCOW2_DISCARD_REQUEST, false);
ret = qcow2_discard_clusters(bs, offset, count >> BDRV_SECTOR_BITS,
QCOW2_DISCARD_REQUEST, false);
qemu_co_mutex_unlock(&s->lock);
return ret;
}
@ -3410,7 +3410,7 @@ BlockDriver bdrv_qcow2 = {
.bdrv_co_flush_to_os = qcow2_co_flush_to_os,
.bdrv_co_pwrite_zeroes = qcow2_co_pwrite_zeroes,
.bdrv_co_discard = qcow2_co_discard,
.bdrv_co_pdiscard = qcow2_co_pdiscard,
.bdrv_truncate = qcow2_truncate,
.bdrv_write_compressed = qcow2_write_compressed,
.bdrv_make_empty = qcow2_make_empty,