From patchwork Thu Jan 27 02:46:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: NeilBrown X-Patchwork-Id: 12726129 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 11593C433F5 for ; Thu, 27 Jan 2022 02:48:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233143AbiA0CsM (ORCPT ); Wed, 26 Jan 2022 21:48:12 -0500 Received: from smtp-out1.suse.de ([195.135.220.28]:55164 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231824AbiA0CsL (ORCPT ); Wed, 26 Jan 2022 21:48:11 -0500 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 6B0A521959; Thu, 27 Jan 2022 02:48:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1643251689; 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=VLryoRKmUuPESAB8QyVLfrgvCJTCmPKkdu4P/OX5YBg=; b=Qti4P3eej7SwU9djhiMhUMgJ1ckOKm8O/J1pSaUAEHDRhQb1izQ4dQZrO97++mAvn3WVVr T2k2nCp5oMqLD8x4f8vee6NJClS2lg1UPexxPkHMg0zJIBN6c452+a+u50wURMgo/tIfRv rD3QIr1LCF3psUh7SWng5ZjcDzYoDdQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1643251689; 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=VLryoRKmUuPESAB8QyVLfrgvCJTCmPKkdu4P/OX5YBg=; b=uJ63TZZVZJQxUDYCfYcbm2ZGgBe9Q6Vwcu+8BWf/uQNpUEqXNKCc6PHt7MlRhE+A1sBtn6 UgWYWcQsDNRd9WCg== 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 E9B1C13E46; Thu, 27 Jan 2022 02:47:58 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 8ZsrKd4H8mH6KwAAMHmgww (envelope-from ); Thu, 27 Jan 2022 02:47:58 +0000 Subject: [PATCH 4/9] f2f2: replace some congestion_wait() calls with io_schedule_timeout() From: NeilBrown To: Andrew Morton , 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-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, linux-block@vger.kernel.org Date: Thu, 27 Jan 2022 13:46:29 +1100 Message-ID: <164325158957.29787.2116312603613564596.stgit@noble.brown> In-Reply-To: <164325106958.29787.4865219843242892726.stgit@noble.brown> References: <164325106958.29787.4865219843242892726.stgit@noble.brown> User-Agent: StGit/0.23 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org As congestion is no longer tracked, contestion_wait() is effectively equivalent to io_schedule_timeout(). It isn't clear to me what these contestion_wait() calls are waiting for, so I cannot change them to wait for some particular event. So simply change them to io_schedule_timeout(), which will have exactly the same behaviour. Signed-off-by: NeilBrown --- fs/f2fs/segment.c | 14 ++++++++------ fs/f2fs/super.c | 8 ++++---- 2 files changed, 12 insertions(+), 10 deletions(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1dabc8244083..78e3fbc24e77 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -313,8 +313,8 @@ 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(); + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(DEFAULT_IO_TIMEOUT); if (gc_failure) { if (++looped >= count) return; @@ -802,9 +802,10 @@ 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); + if (ret) { + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(DEFAULT_IO_TIMEOUT); + } } while (ret && --count); if (ret) { @@ -3133,7 +3134,8 @@ 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); + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(DEFAULT_IO_TIMEOUT); goto next; } skip: diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 76e6a3df9aba..ae8dcbb71596 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2135,8 +2135,8 @@ 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); + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(DEFAULT_IO_TIMEOUT); } while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--); if (unlikely(retry < 0)) @@ -2504,8 +2504,8 @@ 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); + set_current_state(TASK_UNINTERRUPTIBLE); + io_schedule_timeout(DEFAULT_IO_TIMEOUT); goto retry; } set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);