From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39193) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zs0xb-0003Bp-NS for qemu-devel@nongnu.org; Fri, 30 Oct 2015 00:06:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zs0xb-0007RT-0Z for qemu-devel@nongnu.org; Fri, 30 Oct 2015 00:06:39 -0400 From: Fam Zheng Date: Fri, 30 Oct 2015 12:06:27 +0800 Message-Id: <1446177989-6702-2-git-send-email-famz@redhat.com> In-Reply-To: <1446177989-6702-1-git-send-email-famz@redhat.com> References: <1446177989-6702-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH v4 1/3] aio: Introduce aio_external_disabled List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , pbonzini@redhat.com, qemu-block@nongnu.org, Stefan Hajnoczi This allows AioContext users to check the enable/disable state of external clients. Signed-off-by: Fam Zheng --- include/block/aio.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/block/aio.h b/include/block/aio.h index bcc7d43..dcf74be 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -401,6 +401,17 @@ static inline void aio_enable_external(AioContext *ctx) } /** + * aio_external_disabled: + * @ctx: the aio context + * + * Return true if the external clients are disabled. + */ +static inline bool aio_external_disabled(AioContext *ctx) +{ + return atomic_read(&ctx->external_disable_cnt); +} + +/** * aio_node_check: * @ctx: the aio context * @is_external: Whether or not the checked node is an external event source. -- 2.4.3