From nobody Sat Apr 18 05:54:48 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 CD302C433EF for ; Mon, 18 Jul 2022 08:11:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232986AbiGRILC (ORCPT ); Mon, 18 Jul 2022 04:11:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230249AbiGRILB (ORCPT ); Mon, 18 Jul 2022 04:11:01 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0CD212601 for ; Mon, 18 Jul 2022 01:10:59 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id g126so9969626pfb.3 for ; Mon, 18 Jul 2022 01:10:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=koJtdu2xGKY/BDY+kAcaq9hS2IfMj226ck1h8XVx8nc=; b=YPfCzd+LWX6tGDrhIg8VyeRtxSwuQnIytXKBmgqlJU+EP1t3GV3USjvadSwh21GTWn bIxC9/uswSeopFMkbYMOtzFJVtEA3ZGrZBZC69To+Tp+or9+gD9lUJJ3MIahxw+6p7Gx r0ogkc0Ppp4Pv8PTWZmNkCDUCuyjHUVHeVFiqx5Y9FHWpGQrfLEyaZXSkfaAASPZ/lgH vYj3As3RcWhFUBLOB/naxgsoKzkpo54qn/TWlDqmuOe7+TgtZqKkPU9F2fFjnOlOLkcM LsK/QN+01r/wML+H8xKfxZyYepasaICMvcZr4oF7lS7S3Hj1r8jyPeeadjNbz1FrzRxL 5IhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=koJtdu2xGKY/BDY+kAcaq9hS2IfMj226ck1h8XVx8nc=; b=i01WRjlUK/vnL8FbTvwTQoTC4dqOqQKZJiq9IWneNBiklcmU5ZijoZi14WqA5pRafb WGhX386JPp4UHwvuUucy4IuK/DIXJzLV4j2X6bMgCzfbArDueYgnkokpZ5oEDniT1OVz 7JuIvYssKKZj66s12/QttgCXGWAbwGbLt1d9QiR0niA6PWhMZZr9wONP8XnT5I/HU/l3 CiCRnQ9KkfSYmJdl9xNHA7LnsxG9knLsmm/QHHpMKQrY1XqZEA0k4DwMt+F8/7YrjQ3s VCaGXJS0ZX4TqfhOip/KH8Ffl/wyEm/3gxa0pnfb0zRdPA10mUoyNWCurcCpC+8tBVfS 3c9Q== X-Gm-Message-State: AJIora+6gBggQQn+JD4Cns1jY45E0f67wlai9phpNuysSLn9cXIjD9FP w24G/jw1MIpHtBkJ3868FJ9tQQl6JjsFAiWT X-Google-Smtp-Source: AGRyM1s1EKjylolsXMIuvJO65KwmrcIJ8rMJh/CjiItqMsskcy1K0pyvsDM0UwUrI7oSMmx+Ha9VmQ== X-Received: by 2002:a63:6a82:0:b0:419:de8c:8ca with SMTP id f124-20020a636a82000000b00419de8c08camr14123782pgc.467.1658131859151; Mon, 18 Jul 2022 01:10:59 -0700 (PDT) Received: from mi-HP-ProDesk-680-G4-MT.mioffice.cn ([43.224.245.232]) by smtp.gmail.com with ESMTPSA id ng8-20020a17090b1a8800b001ef9479373fsm11047865pjb.4.2022.07.18.01.10.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Jul 2022 01:10:58 -0700 (PDT) From: Guowei Du To: jaegeuk@kernel.org, chao@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, duguowei Subject: [PATCH] f2fs: modify task name prefix Date: Mon, 18 Jul 2022 16:10:38 +0800 Message-Id: <20220718081038.2279-1-duguoweisz@gmail.com> X-Mailer: git-send-email 2.36.1 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" From: duguowei If there are more than one f2fs sbi, there will be more discard threads. But the comm is too long to show dev minor. So, change the default prefix of thread from "f2fs_discard" to "f2fs_dcd". Before: $ ps -e | grep f2fs 1628 ? 00:00:00 f2fs_ckpt-7:10 1629 ? 00:00:00 f2fs_flush-7:10 1630 ? 00:00:00 f2fs_discard-7: 1631 ? 00:00:00 f2fs_gc-7:10 2030 ? 00:00:00 f2fs_ckpt-7:27 2031 ? 00:00:00 f2fs_flush-7:27 2032 ? 00:00:00 f2fs_discard-7: 2033 ? 00:00:00 f2fs_gc-7:27 After: $ ps -e | grep f2fs 1628 ? 00:00:00 f2fs_ckpt-7:10 1629 ? 00:00:00 f2fs_flush-7:10 1630 ? 00:00:00 f2fs_dcd-7:10 1631 ? 00:00:00 f2fs_gc-7:10 2030 ? 00:00:00 f2fs_ckpt-7:27 2031 ? 00:00:00 f2fs_flush-7:27 2032 ? 00:00:00 f2fs_dcd-7:27 2033 ? 00:00:00 f2fs_gc-7:27 Signed-off-by: duguowei --- fs/f2fs/segment.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 874c1b9c41a2..2eeefcbe62db 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2018,7 +2018,7 @@ int f2fs_start_discard_thread(struct f2fs_sb_info *sb= i) return 0; =20 dcc->f2fs_issue_discard =3D kthread_run(issue_discard_thread, sbi, - "f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev)); + "f2fs_dcd-%u:%u", MAJOR(dev), MINOR(dev)); if (IS_ERR(dcc->f2fs_issue_discard)) err =3D PTR_ERR(dcc->f2fs_issue_discard); =20 --=20 2.36.1