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block: Remove bdrv_aio_pdiscard() 

It is unused now.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2016-10-20 14:40:22 +02:00
parent 8c2e3dd55f
commit 7381e95cc2
3 changed files with 0 additions and 33 deletions
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29
block/io.c
View File

@ -2196,35 +2196,6 @@ BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs,
return &acb->common;
}
static void coroutine_fn bdrv_aio_pdiscard_co_entry(void *opaque)
{
BlockAIOCBCoroutine *acb = opaque;
BlockDriverState *bs = acb->common.bs;
acb->req.error = bdrv_co_pdiscard(bs, acb->req.offset, acb->req.bytes);
bdrv_co_complete(acb);
}
BlockAIOCB *bdrv_aio_pdiscard(BlockDriverState *bs, int64_t offset, int count,
BlockCompletionFunc *cb, void *opaque)
{
Coroutine *co;
BlockAIOCBCoroutine *acb;
trace_bdrv_aio_pdiscard(bs, offset, count, opaque);
acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque);
acb->need_bh = true;
acb->req.error = -EINPROGRESS;
acb->req.offset = offset;
acb->req.bytes = count;
co = qemu_coroutine_create(bdrv_aio_pdiscard_co_entry, acb);
qemu_coroutine_enter(co);
bdrv_co_maybe_schedule_bh(acb);
return &acb->common;
}
void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
BlockCompletionFunc *cb, void *opaque)
{

1
block/trace-events
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@ -9,7 +9,6 @@ blk_co_preadv(void *blk, void *bs, int64_t offset, unsigned int bytes, int flags
blk_co_pwritev(void *blk, void *bs, int64_t offset, unsigned int bytes, int flags) "blk %p bs %p offset %"PRId64" bytes %u flags %x"
# block/io.c
bdrv_aio_pdiscard(void *bs, int64_t offset, int count, void *opaque) "bs %p offset %"PRId64" count %d opaque %p"
bdrv_aio_flush(void *bs, void *opaque) "bs %p opaque %p"
bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"

3
include/block/block.h
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@ -314,9 +314,6 @@ BlockAIOCB *bdrv_aio_writev(BdrvChild *child, int64_t sector_num,
BlockCompletionFunc *cb, void *opaque);
BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs,
BlockCompletionFunc *cb, void *opaque);
BlockAIOCB *bdrv_aio_pdiscard(BlockDriverState *bs,
int64_t offset, int count,
BlockCompletionFunc *cb, void *opaque);
void bdrv_aio_cancel(BlockAIOCB *acb);
void bdrv_aio_cancel_async(BlockAIOCB *acb);