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authorPaolo Bonzini <pbonzini@redhat.com>2016-10-03 18:14:16 +0200
committerKevin Wolf <kwolf@redhat.com>2016-10-07 13:34:07 +0200
commitfffb6e12233002c26c0ee9ff92fa87927cd779f2 (patch)
tree58513502dcb4fab664a02eb06b0751f8c8d2e913 /block/null.c
parent5b8bb3595a2941e9408021f1080e60ce86d677d2 (diff)
block: use aio_bh_schedule_oneshot
This simplifies bottom half handlers by removing calls to qemu_bh_delete and thus removing the need to stash the bottom half pointer in the opaque datum. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/null.c')
-rw-r--r--block/null.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/block/null.c b/block/null.c
index b511010ba5..b300390944 100644
--- a/block/null.c
+++ b/block/null.c
@@ -124,7 +124,6 @@ static coroutine_fn int null_co_flush(BlockDriverState *bs)
typedef struct {
BlockAIOCB common;
- QEMUBH *bh;
QEMUTimer timer;
} NullAIOCB;
@@ -136,7 +135,6 @@ static void null_bh_cb(void *opaque)
{
NullAIOCB *acb = opaque;
acb->common.cb(acb->common.opaque, 0);
- qemu_bh_delete(acb->bh);
qemu_aio_unref(acb);
}
@@ -164,8 +162,7 @@ static inline BlockAIOCB *null_aio_common(BlockDriverState *bs,
timer_mod_ns(&acb->timer,
qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + s->latency_ns);
} else {
- acb->bh = aio_bh_new(bdrv_get_aio_context(bs), null_bh_cb, acb);
- qemu_bh_schedule(acb->bh);
+ aio_bh_schedule_oneshot(bdrv_get_aio_context(bs), null_bh_cb, acb);
}
return &acb->common;
}