From patchwork Fri Jul 8 17:21:15 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 9221539 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EE0BC6044F for ; Fri, 8 Jul 2016 17:31:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB6B827F95 for ; Fri, 8 Jul 2016 17:31:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CF7C927F99; Fri, 8 Jul 2016 17:31:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6528A27F95 for ; Fri, 8 Jul 2016 17:31:41 +0000 (UTC) Received: from localhost ([::1]:46966 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLZcq-0002uz-Gj for patchwork-qemu-devel@patchwork.kernel.org; Fri, 08 Jul 2016 13:31:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38613) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLZTa-00019I-KN for qemu-devel@nongnu.org; Fri, 08 Jul 2016 13:22:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bLZTV-0008Kj-85 for qemu-devel@nongnu.org; Fri, 08 Jul 2016 13:22:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38364) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLZTL-0008Hr-Ef; Fri, 08 Jul 2016 13:21:51 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 178A980085; Fri, 8 Jul 2016 17:21:51 +0000 (UTC) Received: from noname.redhat.com (ovpn-116-56.ams2.redhat.com [10.36.116.56]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u68HLk2p006858; Fri, 8 Jul 2016 13:21:50 -0400 From: Kevin Wolf To: qemu-block@nongnu.org Date: Fri, 8 Jul 2016 19:21:15 +0200 Message-Id: <1467998504-15744-4-git-send-email-kwolf@redhat.com> In-Reply-To: <1467998504-15744-1-git-send-email-kwolf@redhat.com> References: <1467998504-15744-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Fri, 08 Jul 2016 17:21:51 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 03/32] blockjob: Add block_job_get() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Alberto Garcia Currently the way to look for a specific block job is to iterate the list manually using block_job_next(). Since we want to be able to identify a job primarily by its ID it makes sense to have a function that does just that. Signed-off-by: Alberto Garcia Reviewed-by: Max Reitz Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- blockjob.c | 13 +++++++++++++ include/block/blockjob.h | 10 ++++++++++ 2 files changed, 23 insertions(+) diff --git a/blockjob.c b/blockjob.c index ce0e27c..ca2291b 100644 --- a/blockjob.c +++ b/blockjob.c @@ -60,6 +60,19 @@ BlockJob *block_job_next(BlockJob *job) return QLIST_NEXT(job, job_list); } +BlockJob *block_job_get(const char *id) +{ + BlockJob *job; + + QLIST_FOREACH(job, &block_jobs, job_list) { + if (!strcmp(id, job->id)) { + return job; + } + } + + return NULL; +} + /* Normally the job runs in its BlockBackend's AioContext. The exception is * block_job_defer_to_main_loop() where it runs in the QEMU main loop. Code * that supports both cases uses this helper function. diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 5181514..0fe1540 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -211,6 +211,16 @@ struct BlockJob { BlockJob *block_job_next(BlockJob *job); /** + * block_job_get: + * @id: The id of the block job. + * + * Get the block job identified by @id (which must not be %NULL). + * + * Returns the requested job, or %NULL if it doesn't exist. + */ +BlockJob *block_job_get(const char *id); + +/** * block_job_create: * @job_type: The class object for the newly-created job. * @bs: The block