From patchwork Tue Dec 5 18:20:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 13480604 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73860C4167B for ; Tue, 5 Dec 2023 18:27:31 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.648216.1012400 (Exim 4.92) (envelope-from ) id 1rAa8L-0001uM-R9; Tue, 05 Dec 2023 18:27:01 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 648216.1012400; Tue, 05 Dec 2023 18:27:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rAa8L-0001uF-Nk; Tue, 05 Dec 2023 18:27:01 +0000 Received: by outflank-mailman (input) for mailman id 648216; Tue, 05 Dec 2023 18:27:00 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rAa2Y-0002fT-B3 for xen-devel@lists.xenproject.org; Tue, 05 Dec 2023 18:21:02 +0000 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 0ae3812e-939b-11ee-98e5-6d05b1d4d9a1; Tue, 05 Dec 2023 19:21:01 +0100 (CET) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-104-9IK1xsJfM6qlc9VTvpSUpA-1; Tue, 05 Dec 2023 13:20:51 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B3C0E185A786; Tue, 5 Dec 2023 18:20:50 +0000 (UTC) Received: from localhost (unknown [10.39.194.111]) by smtp.corp.redhat.com (Postfix) with ESMTP id 160AC2166B31; Tue, 5 Dec 2023 18:20:49 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 0ae3812e-939b-11ee-98e5-6d05b1d4d9a1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1701800460; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=epSHBjIPGBGGtE9Q/MgkR6IvNKquBK1BoKNfsiriADs=; b=YJXQdlvDQwtIGFu40OEoeusfDnbE+B+07dDJ4H11TXy5hKJV3qwCnzNl7OFYU+Br/MwnRQ SQQWIQR+QOh6Uaz149GoapEkyQUwuYdbiqgZN1Aaf7qo6g7KkC5DIafHrp3r8vgO4QfqIM R0uZcqaZdp2Owprn4i7wq1qkO1ZQHAI= X-MC-Unique: 9IK1xsJfM6qlc9VTvpSUpA-1 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Stefan Hajnoczi , Vladimir Sementsov-Ogievskiy , Cleber Rosa , Xie Changlong , Paul Durrant , Ari Sundholm , Jason Wang , Eric Blake , John Snow , Eduardo Habkost , Wen Congyang , Alberto Garcia , Anthony Perard , "Michael S. Tsirkin" , Stefano Stabellini , qemu-block@nongnu.org, Juan Quintela , Paolo Bonzini , Kevin Wolf , Coiby Xu , Fabiano Rosas , Hanna Reitz , Zhang Chen , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Pavel Dovgalyuk , Peter Xu , Emanuele Giuseppe Esposito , Fam Zheng , Leonardo Bras , David Hildenbrand , Li Zhijian , xen-devel@lists.xenproject.org Subject: [PATCH v2 13/14] job: remove outdated AioContext locking comments Date: Tue, 5 Dec 2023 13:20:10 -0500 Message-ID: <20231205182011.1976568-14-stefanha@redhat.com> In-Reply-To: <20231205182011.1976568-1-stefanha@redhat.com> References: <20231205182011.1976568-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 The AioContext lock no longer exists. Signed-off-by: Stefan Hajnoczi Reviewed-by: Eric Blake --- include/qemu/job.h | 20 -------------------- 1 file changed, 20 deletions(-) diff --git a/include/qemu/job.h b/include/qemu/job.h index e502787dd8..9ea98b5927 100644 --- a/include/qemu/job.h +++ b/include/qemu/job.h @@ -67,8 +67,6 @@ typedef struct Job { /** * The completion function that will be called when the job completes. - * Called with AioContext lock held, since many callback implementations - * use bdrv_* functions that require to hold the lock. */ BlockCompletionFunc *cb; @@ -264,9 +262,6 @@ struct JobDriver { * * This callback will not be invoked if the job has already failed. * If it fails, abort and then clean will be called. - * - * Called with AioContext lock held, since many callbacs implementations - * use bdrv_* functions that require to hold the lock. */ int (*prepare)(Job *job); @@ -277,9 +272,6 @@ struct JobDriver { * * All jobs will complete with a call to either .commit() or .abort() but * never both. - * - * Called with AioContext lock held, since many callback implementations - * use bdrv_* functions that require to hold the lock. */ void (*commit)(Job *job); @@ -290,9 +282,6 @@ struct JobDriver { * * All jobs will complete with a call to either .commit() or .abort() but * never both. - * - * Called with AioContext lock held, since many callback implementations - * use bdrv_* functions that require to hold the lock. */ void (*abort)(Job *job); @@ -301,9 +290,6 @@ struct JobDriver { * .commit() or .abort(). Regardless of which callback is invoked after * completion, .clean() will always be called, even if the job does not * belong to a transaction group. - * - * Called with AioContext lock held, since many callbacs implementations - * use bdrv_* functions that require to hold the lock. */ void (*clean)(Job *job); @@ -318,17 +304,12 @@ struct JobDriver { * READY). * (If the callback is NULL, the job is assumed to terminate * without I/O.) - * - * Called with AioContext lock held, since many callback implementations - * use bdrv_* functions that require to hold the lock. */ bool (*cancel)(Job *job, bool force); /** * Called when the job is freed. - * Called with AioContext lock held, since many callback implementations - * use bdrv_* functions that require to hold the lock. */ void (*free)(Job *job); }; @@ -424,7 +405,6 @@ void job_ref_locked(Job *job); * Release a reference that was previously acquired with job_ref_locked() or * job_create(). If it's the last reference to the object, it will be freed. * - * Takes AioContext lock internally to invoke a job->driver callback. * Called with job lock held. */ void job_unref_locked(Job *job);