From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF4D2C433DF for ; Fri, 22 May 2020 12:39:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9855C206D5 for ; Fri, 22 May 2020 12:39:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729403AbgEVMjE (ORCPT ); Fri, 22 May 2020 08:39:04 -0400 Received: from mx2.suse.de ([195.135.220.15]:59084 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728801AbgEVMjE (ORCPT ); Fri, 22 May 2020 08:39:04 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id CD621AF23; Fri, 22 May 2020 12:39:05 +0000 (UTC) From: Goldwyn Rodrigues To: linux-btrfs@vger.kernel.org Cc: hch@infradead.org, dsterba@suse.cz, Goldwyn Rodrigues , "Darrick J . Wong" Subject: [PATCH 3/7] iomap: Remove lockdep_assert_held() Date: Fri, 22 May 2020 07:38:33 -0500 Message-Id: <20200522123837.1196-4-rgoldwyn@suse.de> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522123837.1196-1-rgoldwyn@suse.de> References: <20200522123837.1196-1-rgoldwyn@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Goldwyn Rodrigues Filesystems such as btrfs can perform direct I/O without holding the inode->i_rwsem in some of the cases like writing within i_size. So, remove the check for lockdep_assert_held() in iomap_dio_rw() Signed-off-by: Goldwyn Rodrigues Reviewed-by: Darrick J. Wong --- fs/iomap/direct-io.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index f88ba6e7f6af..e4addfc58107 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -416,8 +416,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, struct blk_plug plug; struct iomap_dio *dio; - lockdep_assert_held(&inode->i_rwsem); - if (!count) return 0; -- 2.25.0