From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59653) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X3U8G-0002hX-Q4 for qemu-devel@nongnu.org; Sat, 05 Jul 2014 13:52:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X3U8A-0001hx-Kb for qemu-devel@nongnu.org; Sat, 05 Jul 2014 13:52:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32199) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X3U3x-0000gW-LL for qemu-devel@nongnu.org; Sat, 05 Jul 2014 13:47:50 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s65HlnJV018938 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sat, 5 Jul 2014 13:47:49 -0400 From: Max Reitz Date: Sat, 5 Jul 2014 19:47:19 +0200 Message-Id: <1404582448-23840-6-git-send-email-mreitz@redhat.com> In-Reply-To: <1404582448-23840-1-git-send-email-mreitz@redhat.com> References: <1404582448-23840-1-git-send-email-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v9 05/14] blockjob: Add "ready" field List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Stefan Hajnoczi , Max Reitz When a block job signals readiness, this is currently reported only through QMP. If qemu wants to use block jobs for internal tasks, there needs to be another way to correctly detect when a block job may be completed. For this reason, introduce a bool "ready" which is set when the block job may be completed. Signed-off-by: Max Reitz --- blockjob.c | 3 +++ include/block/blockjob.h | 5 +++++ qapi/block-core.json | 4 +++- 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/blockjob.c b/blockjob.c index 2c98689..ff1d78e 100644 --- a/blockjob.c +++ b/blockjob.c @@ -260,6 +260,7 @@ BlockJobInfo *block_job_query(BlockJob *job) info->offset = job->offset; info->speed = job->speed; info->io_status = job->iostatus; + info->ready = job->ready; return info; } @@ -295,6 +296,8 @@ void block_job_event_completed(BlockJob *job, const char *msg) void block_job_event_ready(BlockJob *job) { + job->ready = true; + qapi_event_send_block_job_ready(job->driver->job_type, bdrv_get_device_name(job->bs), job->len, diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 88f4be2..97658ca 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -91,6 +91,11 @@ struct BlockJob { */ bool busy; + /** + * Set to true when the job is ready to be completed. + */ + bool ready; + /** Status that is published by the query-block-jobs QMP API */ BlockDeviceIoStatus iostatus; diff --git a/qapi/block-core.json b/qapi/block-core.json index e378653..72ebfef 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -505,12 +505,14 @@ # # @io-status: the status of the job (since 1.3) # +# @ready: true if the job may be completed (since 2.1) +# # Since: 1.1 ## { 'type': 'BlockJobInfo', 'data': {'type': 'str', 'device': 'str', 'len': 'int', 'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int', - 'io-status': 'BlockDeviceIoStatus'} } + 'io-status': 'BlockDeviceIoStatus', 'ready': 'bool'} } ## # @query-block-jobs: -- 2.0.1