From 3acabd685e2d2b153044e5bf472343e7f4c8177b Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Thu, 11 Sep 2014 13:41:10 +0800 Subject: [PATCH] block: Drop bdrv_em_co_aiocb_info.cancel Also drop the now unused ->done pointer. Signed-off-by: Fam Zheng Signed-off-by: Stefan Hajnoczi --- block.c | 21 --------------------- 1 file changed, 21 deletions(-) diff --git a/block.c b/block.c index a9a48df6d9..1ce7b99082 100644 --- a/block.c +++ b/block.c @@ -4763,22 +4763,8 @@ typedef struct BlockDriverAIOCBCoroutine { QEMUBH* bh; } BlockDriverAIOCBCoroutine; -static void bdrv_aio_co_cancel_em(BlockDriverAIOCB *blockacb) -{ - AioContext *aio_context = bdrv_get_aio_context(blockacb->bs); - BlockDriverAIOCBCoroutine *acb = - container_of(blockacb, BlockDriverAIOCBCoroutine, common); - bool done = false; - - acb->done = &done; - while (!done) { - aio_poll(aio_context, true); - } -} - static const AIOCBInfo bdrv_em_co_aiocb_info = { .aiocb_size = sizeof(BlockDriverAIOCBCoroutine), - .cancel = bdrv_aio_co_cancel_em, }; static void bdrv_co_em_bh(void *opaque) @@ -4787,10 +4773,6 @@ static void bdrv_co_em_bh(void *opaque) acb->common.cb(acb->common.opaque, acb->req.error); - if (acb->done) { - *acb->done = true; - } - qemu_bh_delete(acb->bh); qemu_aio_release(acb); } @@ -4831,7 +4813,6 @@ static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, acb->req.qiov = qiov; acb->req.flags = flags; acb->is_write = is_write; - acb->done = NULL; co = qemu_coroutine_create(bdrv_co_do_rw); qemu_coroutine_enter(co, acb); @@ -4858,7 +4839,6 @@ BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, BlockDriverAIOCBCoroutine *acb; acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); - acb->done = NULL; co = qemu_coroutine_create(bdrv_aio_flush_co_entry); qemu_coroutine_enter(co, acb); @@ -4888,7 +4868,6 @@ BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs, acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); acb->req.sector = sector_num; acb->req.nb_sectors = nb_sectors; - acb->done = NULL; co = qemu_coroutine_create(bdrv_aio_discard_co_entry); qemu_coroutine_enter(co, acb);