From patchwork Tue Feb 22 03:17:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: NeilBrown X-Patchwork-Id: 12754475 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 0C6D9C433EF for ; Tue, 22 Feb 2022 03:21:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240959AbiBVDUz (ORCPT ); Mon, 21 Feb 2022 22:20:55 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:50822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241033AbiBVDUq (ORCPT ); Mon, 21 Feb 2022 22:20:46 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3538240B7; Mon, 21 Feb 2022 19:20:11 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id A77DF210E6; Tue, 22 Feb 2022 03:20:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1645500006; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QxH/65m79qvzBGSCwVr/N2GJs7ZD/rte4Udz5IqpfIY=; b=1izYW0top9BS+iGfXZVpKBuJ+MwMK08zsbUAzadqpGOGRwgyzsXY0KDfKzHJtGimNVXYoj YhuEAPMn4VxOA/kBjGsoV5UTt9YspUnvu+gax168HsZudoD00qGGBJyvTZw7EGhrd1u24P ZQ+YUljewjlzwFNP28OSuOKUhNTgyTw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1645500006; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QxH/65m79qvzBGSCwVr/N2GJs7ZD/rte4Udz5IqpfIY=; b=aZJVVnALmXFu3ExBGTckF/YwvXjWy9CmPulvw2T47YMa7c6/yeRvxkKpZ8N0EufKCpXPz9 J/yg0Bxc1k1hRJBw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 1B32713BA7; Tue, 22 Feb 2022 03:19:54 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id eOF7CFpWFGISWwAAMHmgww (envelope-from ); Tue, 22 Feb 2022 03:19:54 +0000 Subject: [PATCH 09/11] f2fs: replace congestion_wait() calls with io_schedule_timeout() From: NeilBrown To: Andrew Morton , Jan Kara , Wu Fengguang , Jaegeuk Kim , Chao Yu , Jeff Layton , Ilya Dryomov , Miklos Szeredi , Trond Myklebust , Anna Schumaker , Ryusuke Konishi , "Darrick J. Wong" , Philipp Reisner , Lars Ellenberg , Paolo Valente , Jens Axboe Cc: linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-nilfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, ceph-devel@vger.kernel.org, drbd-dev@lists.linbit.com, linux-kernel@vger.kernel.org Date: Tue, 22 Feb 2022 14:17:17 +1100 Message-ID: <164549983744.9187.6425865370954230902.stgit@noble.brown> In-Reply-To: <164549971112.9187.16871723439770288255.stgit@noble.brown> References: <164549971112.9187.16871723439770288255.stgit@noble.brown> User-Agent: StGit/0.23 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org As congestion is no longer tracked, congestion_wait() is effectively equivalent to io_schedule_timeout(). So introduce f2fs_io_schedule_timeout() which sets TASK_UNINTERRUPTIBLE and call that instead. Signed-off-by: NeilBrown --- fs/f2fs/compress.c | 4 +--- fs/f2fs/data.c | 3 +-- fs/f2fs/f2fs.h | 6 ++++++ fs/f2fs/segment.c | 8 +++----- fs/f2fs/super.c | 6 ++---- 5 files changed, 13 insertions(+), 14 deletions(-) diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index d0c3aeba5945..2f95559025ad 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -1505,9 +1505,7 @@ static int f2fs_write_raw_pages(struct compress_ctx *cc, if (IS_NOQUOTA(cc->inode)) return 0; ret = 0; - cond_resched(); - congestion_wait(BLK_RW_ASYNC, - DEFAULT_IO_TIMEOUT); + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); goto retry_write; } return ret; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 8c417864c66a..d428ddfd42ee 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3047,8 +3047,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } else if (ret == -EAGAIN) { ret = 0; if (wbc->sync_mode == WB_SYNC_ALL) { - cond_resched(); - congestion_wait(BLK_RW_ASYNC, + f2fs_io_schedule_timeout( DEFAULT_IO_TIMEOUT); goto retry_write; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 68b44015514f..467f5dbdc7d1 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4426,6 +4426,12 @@ static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi) return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK; } +static inline void f2fs_io_schedule_timeout(long timeout) +{ + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(timeout); +} + #define EFSBADCRC EBADMSG /* Bad CRC detected */ #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1dabc8244083..6ff20da44ad7 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -313,8 +313,7 @@ void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure) skip: iput(inode); } - congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT); - cond_resched(); + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); if (gc_failure) { if (++looped >= count) return; @@ -803,8 +802,7 @@ int f2fs_flush_device_cache(struct f2fs_sb_info *sbi) do { ret = __submit_flush_wait(sbi, FDEV(i).bdev); if (ret) - congestion_wait(BLK_RW_ASYNC, - DEFAULT_IO_TIMEOUT); + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); } while (ret && --count); if (ret) { @@ -3133,7 +3131,7 @@ static unsigned int __issue_discard_cmd_range(struct f2fs_sb_info *sbi, blk_finish_plug(&plug); mutex_unlock(&dcc->cmd_lock); trimmed += __wait_all_discard_cmd(sbi, NULL); - congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT); + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); goto next; } skip: diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index baefd398ec1a..ebd32daf052c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2135,8 +2135,7 @@ static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi) /* we should flush all the data to keep data consistency */ do { sync_inodes_sb(sbi->sb); - cond_resched(); - congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT); + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); } while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--); if (unlikely(retry < 0)) @@ -2504,8 +2503,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type, &page, &fsdata); if (unlikely(err)) { if (err == -ENOMEM) { - congestion_wait(BLK_RW_ASYNC, - DEFAULT_IO_TIMEOUT); + f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT); goto retry; } set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);