From nobody Tue Feb 10 21:39:08 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 CFA0FC77B75 for ; Tue, 16 May 2023 07:28:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231320AbjEPH2T (ORCPT ); Tue, 16 May 2023 03:28:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230434AbjEPH2S (ORCPT ); Tue, 16 May 2023 03:28:18 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC45E10A for ; Tue, 16 May 2023 00:28:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 78F4561759 for ; Tue, 16 May 2023 07:28:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3E48C433EF; Tue, 16 May 2023 07:28:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684222095; bh=dO2v/mmJtC/axl2ORnWKUJi1G18wwI+1u97V97R8n8g=; h=From:To:Cc:Subject:Date:From; b=tfW/RTU8jvHWg7nWGwWID3FXNbGCne06LTvXcfKMI2ES2ZzGDpfMfL9RTCAB4DKSt hI8K90R+8GhS0oGLqMyTZMsRombDbUd+pN/HMGdQ8LYdK5WhERQehcvIGVKCS3xCB4 RGMrWXneMIUDNDmohGiWqh7LNjUgaTgPjmwPzONjxJr/RXgFsEEJE3x8PVo0gMTspC F0YsBygp5L3hTtA7fwBSo0equR5vbH5Q1QXcnAppaFUe/uXK4Fo6zGQ/ud/yfc8dUv 1cKSazTq6NIMqTBVWsf0Bs99jnMIUPSYrI2iWjYm8jY9cJ2oyeFKfOJZsSuvOFZRgA b4Ize0reIW6vg== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH] f2fs: flush error flags in workqueue Date: Tue, 16 May 2023 15:27:55 +0800 Message-Id: <20230516072755.3138097-1-chao@kernel.org> X-Mailer: git-send-email 2.25.1 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" In IRQ context, it wakes up workqueue to record errors into on-disk superblock fields rather than in-memory fields. Signed-off-by: Chao Yu --- fs/f2fs/compress.c | 2 +- fs/f2fs/f2fs.h | 1 + fs/f2fs/super.c | 26 +++++++++++++++++++++++--- 3 files changed, 25 insertions(+), 4 deletions(-) diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index d46e695d9666..60e3959a901e 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -744,7 +744,7 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *= dic, bool in_task) =20 /* Avoid f2fs_commit_super in irq context */ if (!in_task) - f2fs_save_errors(sbi, ERROR_FAIL_DECOMPRESSION); + f2fs_handle_error_async(sbi, ERROR_FAIL_DECOMPRESSION); else f2fs_handle_error(sbi, ERROR_FAIL_DECOMPRESSION); goto out_release; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 1c7a12d4ba14..0c0929a0f891 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3563,6 +3563,7 @@ void f2fs_save_errors(struct f2fs_sb_info *sbi, unsig= ned char flag); void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char re= ason, bool irq_context); void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error); +void f2fs_handle_error_async(struct f2fs_sb_info *sbi, unsigned char error= ); int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); int f2fs_sync_fs(struct super_block *sb, int sync); int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 374c990810ea..a60267f7b073 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3989,6 +3989,11 @@ static void f2fs_record_stop_reason(struct f2fs_sb_i= nfo *sbi) f2fs_down_write(&sbi->sb_lock); =20 spin_lock_irqsave(&sbi->error_lock, flags); + if (sbi->error_dirty) { + memcpy(F2FS_RAW_SUPER(sbi)->s_errors, sbi->errors, + MAX_F2FS_ERRORS); + sbi->error_dirty =3D false; + } memcpy(raw_super->s_stop_reason, sbi->stop_reason, MAX_STOP_REASON); spin_unlock_irqrestore(&sbi->error_lock, flags); =20 @@ -4028,12 +4033,10 @@ static bool f2fs_update_errors(struct f2fs_sb_info = *sbi) return need_update; } =20 -void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error) +void f2fs_record_errors(struct f2fs_sb_info *sbi, unsigned char error) { int err; =20 - f2fs_save_errors(sbi, error); - f2fs_down_write(&sbi->sb_lock); =20 if (!f2fs_update_errors(sbi)) @@ -4047,6 +4050,23 @@ void f2fs_handle_error(struct f2fs_sb_info *sbi, uns= igned char error) f2fs_up_write(&sbi->sb_lock); } =20 +void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error) +{ + f2fs_save_errors(sbi, error); + f2fs_record_errors(sbi, error); +} + +void f2fs_handle_error_async(struct f2fs_sb_info *sbi, unsigned char error) +{ + f2fs_save_errors(sbi, error); + + if (!sbi->error_dirty) + return; + if (!test_bit(error, (unsigned long *)sbi->errors)) + return; + schedule_work(&sbi->s_error_work); +} + static bool system_going_down(void) { return system_state =3D=3D SYSTEM_HALT || system_state =3D=3D SYSTEM_POWE= R_OFF --=20 2.25.1