Message ID | 20231116062556.2451839-2-chao@kernel.org |
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State | New |
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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id kk15-20020a17090b4a0f00b00280a4a15cddsi1422867pjb.94.2023.11.15.22.26.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 22:26:19 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=XIuPwVvk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 2FBB3813EA9F; Wed, 15 Nov 2023 22:26:17 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229984AbjKPG0K (ORCPT <rfc822;jaysivo@gmail.com> + 29 others); Thu, 16 Nov 2023 01:26:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229806AbjKPG0I (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Thu, 16 Nov 2023 01:26:08 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8499127 for <linux-kernel@vger.kernel.org>; Wed, 15 Nov 2023 22:26:04 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 458B6C433C9; Thu, 16 Nov 2023 06:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700115964; bh=6rwiQ68wHhdsE6vY/Y31nFsyaYQ2rLgqDwN+2WxChEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XIuPwVvk8OAAiglh4l+yrHMbH+U1E4tlFGpj6dqWYdv6FlT3GEmLUnBx6u5qaJL8e 8iiU1S03QdgwgH67BEn0CunhA2O/7XGyO+TJLDVXrS0Ql3NY3m1Cof+SADxmK+nv5d emPwLN/XIwrNwUkAvFbD9iuFt+Ki6Ba2hjNFIZ9cHqYYj/NKt1EafCbhU1bK5soqrD Ea2mNSi+m8H8h4HhaA7ikBwdDtfafQXtAvValMHkzvU3shabOifFaNoJHC+9wZ/0HY be8J/dOOZP8Db6Y33jBnwR5mM/h0WUtCm6gc5qZaHorKuzRJrCbxpj4bW6Z7b7T7G/ Gc2skX6crDrYQ== From: Chao Yu <chao@kernel.org> To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu <chao@kernel.org> Subject: [PATCH 2/3] f2fs: use shared inode lock during f2fs_fiemap() Date: Thu, 16 Nov 2023 14:25:55 +0800 Message-Id: <20231116062556.2451839-2-chao@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231116062556.2451839-1-chao@kernel.org> References: <20231116062556.2451839-1-chao@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 15 Nov 2023 22:26:17 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782700812993355229 X-GMAIL-MSGID: 1782700812993355229 |
Series |
[1/3] f2fs: clean up w/ dotdot_name
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Commit Message
Chao Yu
Nov. 16, 2023, 6:25 a.m. UTC
f2fs_fiemap() will only traverse metadata of inode, let's use shared
inode lock for it to avoid unnecessary race on inode lock.
Signed-off-by: Chao Yu <chao@kernel.org>
---
fs/f2fs/data.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 4e42b5f24deb..42f0f6184f73 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1992,7 +1992,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (ret) return ret; - inode_lock(inode); + inode_lock_shared(inode); maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS; if (start > maxbytes) { @@ -2112,7 +2112,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (ret == 1) ret = 0; - inode_unlock(inode); + inode_unlock_shared(inode); return ret; }