block: Remove bdrv_aio_pdiscard()

It is unused now.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

3 files changed, 0 insertions, 33 deletions

diff --git a/block/io.c b/block/io.c
index b136c89..ff93ba1 100644
--- a/block/io.c
+++ b/block/io.c
@@ -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)
 {
diff --git a/block/trace-events b/block/trace-events
index 05fa13c..aff8a96 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -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"
diff --git a/include/block/block.h b/include/block/block.h
index 107c603..99a15a6 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -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);