From nobody Fri Jan 2 22:06:03 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEA00E936FB for ; Sat, 7 Oct 2023 07:46:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343728AbjJGHq0 (ORCPT ); Sat, 7 Oct 2023 03:46:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343713AbjJGHqY (ORCPT ); Sat, 7 Oct 2023 03:46:24 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0328ECA for ; Sat, 7 Oct 2023 00:46:23 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49ABCC433C8; Sat, 7 Oct 2023 07:46:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696664782; bh=7rTaaOwJ2XLjmWgatV7u/BoCzFYYD2I7Tous8LEzDnw=; h=From:To:Cc:Subject:Date:From; b=jBA2dmFZkbBvFOg+3XCyntOekKurJ/TwSib6bXG5qcMhfJfFQ/Cn6w+piTYwnUxzd FaDfts0ZBNFSl2LqCRKAYIXB2CeR80MhrYThSsysifOnpn/zJEoBIuo0hqL/w/GAVM rbyxQIFDsXWq5LpC9XSWWCyPXR2sNN4uiTRIlK8kmdLttHUyZSwvkXlxifTvElyElR XA56wfJyxPbBbm4GZTwhLpef1irgERmSRZTWx3YNt8jP2byRFz7NAnchRTx9PveyiD 0xkL/5GvH/tRBM3IMRzpQicllWWe/lrNw42G8QqVXq/BQzCcrfhz7LkeQaNFguUOV+ k6ASXtzDyE/Cw== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH] f2fs: fix to initialize map.m_pblk in f2fs_precache_extents() Date: Sat, 7 Oct 2023 15:45:52 +0800 Message-Id: <20231007074552.3170496-1-chao@kernel.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Otherwise, it may print random physical block address in tracepoint of f2fs_map_blocks() as below: f2fs_map_blocks: dev =3D (253,16), ino =3D 2297, file offset =3D 0, start b= lkaddr =3D 0xa356c421, len =3D 0x0, flags =3D 0 Fixes: c4020b2da4c9 ("f2fs: support F2FS_IOC_PRECACHE_EXTENTS") Signed-off-by: Chao Yu --- fs/f2fs/file.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 5d726cbc4f0b..cfb199f9af0d 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3261,6 +3261,7 @@ int f2fs_precache_extents(struct inode *inode) return -EOPNOTSUPP; =20 map.m_lblk =3D 0; + map.m_pblk =3D 0; map.m_next_pgofs =3D NULL; map.m_next_extent =3D &m_next_extent; map.m_seg_type =3D NO_CHECK_TYPE; --=20 2.40.1