From df281b80b9ecba65d85795aa738c29e5b94d5ef1 Mon Sep 17 00:00:00 2001 From: Pavel Dovgalyuk Date: Thu, 17 Sep 2015 19:24:50 +0300 Subject: [PATCH] bottom halves: introduce bh call function This patch introduces aio_bh_call function. It is used to execute bottom halves as callbacks without adding them to the queue. Signed-off-by: Pavel Dovgalyuk Message-Id: <20150917162450.8676.56980.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini Signed-off-by: Pavel Dovgalyuk --- async.c | 7 ++++++- include/block/aio.h | 5 +++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/async.c b/async.c index bdc64a3da9..9589e4bb7d 100644 --- a/async.c +++ b/async.c @@ -59,6 +59,11 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque) return bh; } +void aio_bh_call(QEMUBH *bh) +{ + bh->cb(bh->opaque); +} + /* Multiple occurrences of aio_bh_poll cannot be called concurrently */ int aio_bh_poll(AioContext *ctx) { @@ -84,7 +89,7 @@ int aio_bh_poll(AioContext *ctx) ret = 1; } bh->idle = 0; - bh->cb(bh->opaque); + aio_bh_call(bh); } } diff --git a/include/block/aio.h b/include/block/aio.h index bcc7d43f6a..92efc5e1f1 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -208,6 +208,11 @@ void aio_notify(AioContext *ctx); */ void aio_notify_accept(AioContext *ctx); +/** + * aio_bh_call: Executes callback function of the specified BH. + */ +void aio_bh_call(QEMUBH *bh); + /** * aio_bh_poll: Poll bottom halves for an AioContext. *