From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [PATCH 09/11] f2fs: replace congestion_wait() calls with io_schedule_timeout() Date: Thu, 10 Feb 2022 16:37:52 +1100 Message-ID: <164447147263.23354.4653093481289339536.stgit@noble.brown> References: <164447124918.23354.17858831070003318849.stgit@noble.brown> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:MIME-Version :References:In-Reply-To:Message-ID:Date:Cc:To:From:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=QxH/65m79qvzBGSCwVr/N2GJs7ZD/rte4Udz5IqpfIY=; b=AsjlHSvY8S3XyOSm3thdub7sbR nDLcJ9e8295cS/IbO8IYqTuWo9+PLI+Zlr/o6MqlhyHW4i23GPflJ5PqYSVlCiaLYZub/vynBLwxL xgTk8pXNoZE9PcZiG6CFCT8xNPrT8exmZPpc3/KiBw6/KHmKb+8fhiE718RfBh4pXarw=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Cc:To:From:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=QxH/65m79qvzBGSCwVr/N2GJs7ZD/rte4Udz5IqpfIY=; b=O6hrUQoNHzpeltJNZILFny3IxR 7GOFconR4FaMQPVMuAi63JZb9NW8p+cLCkwcKqQZRzXUhcKOjnhlLVZLe7IPCTJ7+duxFhaOgzc1z xqt85VGlMOwycqcKyMN9vX19DxQT7mFBL59JIyW+FKOGe4030jetTYSdHkBgN9Jt2dag=; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1644471685; 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=YlngNwM4KJ2lCrfzQTHN/A+kGQDElPDMkLDocNPY7oQ5eLtEVmlsbIk/oygnihNW7FrwoJ OmyikymLamTwFDO2ckBNa2bT8juNRxuUtWfpjZIuevpV3ajlt5aWF4ONgPW2kwJOCPqQh4 lyIR4s2Uvt8OOUVHuPtfhMrLcUxrb7E= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1644471685; 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=6n0i9ic8w1i2aZJ9N2rX+fVNb4ZqLqNFRFiTjK1N/idKrQahO5XYfaUQ4n8fWkZ2pi7f30 fq+mOgq70ftta4BQ== In-Reply-To: <164447124918.23354.17858831070003318849.stgit@noble.brown> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net 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-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, drbd-dev@lists.linbit.com 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);