From patchwork Thu Sep 24 06:51:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1370331 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=205.233.59.134; helo=merlin.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=luR1AleG; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=Gt28Ha/7; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Bxm2P4LdMz9sTg for ; Thu, 24 Sep 2020 16:52:45 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=N6DIlVnRplMvZhvOVege1eBRazNYovdNr36qOYRjmQk=; b=luR1AleGNlelLN9Yq9LJ3V0ju pNLn48uV82rse9ADPOryMsBR3P7jv2wpknRiAXee2QnBNgrNQirOohie/BKsoHWviUeql8QkI/UDc SIlLQLpzBkGGIbltjv9cWPu7FzoN0QbdDMkVTfF9zBRlBvr6m71VjeHNgE6tdQ3sJfxxADFatdTTw EOj1E4xXD6zPAAYUGLTQsfrKLDn09W2+hxjIVNB4uUF0FNyBqs5LuQDdwoN5Ou3/qjl4Hd4QZHGOf W+aj4zzCdxMfF9uaz4jJpKN3+QWfFkAwyORxO/6lnNrB0kvKOesWS5Piw87QGfYN/Tqsa5gxCCrAL ZMoSA4aZA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kLL6x-0004uG-Sq; Thu, 24 Sep 2020 06:52:11 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kLL6c-0004m7-Gi for linux-mtd@merlin.infradead.org; Thu, 24 Sep 2020 06:51:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=m8GhkUhVC45RKNOvk9LAr0995X5gQH+nYESehLOLs8I=; b=Gt28Ha/7vWx1VDuu/1t+IWSVjj Mo61AV+Ao2fzcmr8WZ2o2Dmz4Fbja2w1R0k6K1Si4TNa/PDOaNaHDaW4tT25gH64xlPzsFS8MRkxL q3HxKfPGOOaBb/vGR/yCOgGiZ45ldJep35zVt+vB89WrbIPvpV+pVOSEgEMu7Su9QwCiExylWwmX9 Xb11PLrhMF6HLnsvWMIoOWBPmEMyq/CztekbecczSEjZ7gHklkIHKfXIVzKvbZAVr0iQb+SfqJW+r r5SCvFQ9o1z7evdPG7RJvZ/mqOh9sLeBaqSy0TzKSu6q7vfvF4BzN/IjHfOrLVvJDvyiROz4ur0NR b8vewvcw==; Received: from p4fdb0c34.dip0.t-ipconnect.de ([79.219.12.52] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kLL6a-0001AG-It; Thu, 24 Sep 2020 06:51:48 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 05/13] bdi: initialize ->ra_pages and ->io_pages in bdi_init Date: Thu, 24 Sep 2020 08:51:32 +0200 Message-Id: <20200924065140.726436-6-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200924065140.726436-1-hch@lst.de> References: <20200924065140.726436-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Sterba , linux-raid@vger.kernel.org, Hans de Goede , Justin Sanders , Jan Kara , Minchan Kim , Johannes Thumshirn , linux-bcache@vger.kernel.org, Coly Li , linux-block@vger.kernel.org, Song Liu , dm-devel@redhat.com, linux-mtd@lists.infradead.org, Richard Weinberger , linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, drbd-dev@lists.linbit.com Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Set up a readahead size by default, as very few users have a good reason to change it. This means code, ecryptfs, and orangefs now set up the values while they were previously missing it, while ubifs, mtd and vboxsf manually set it to 0 to avoid readahead. Signed-off-by: Christoph Hellwig Reviewed-by: Jan Kara Acked-by: David Sterba [btrfs] Acked-by: Richard Weinberger [ubifs, mtd] --- block/blk-core.c | 2 -- drivers/mtd/mtdcore.c | 2 ++ fs/9p/vfs_super.c | 6 ++++-- fs/afs/super.c | 1 - fs/btrfs/disk-io.c | 1 - fs/fuse/inode.c | 1 - fs/nfs/super.c | 9 +-------- fs/ubifs/super.c | 2 ++ fs/vboxsf/super.c | 2 ++ mm/backing-dev.c | 2 ++ 10 files changed, 13 insertions(+), 15 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index ca3f0f00c9435f..865d39e5be2b28 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -538,8 +538,6 @@ struct request_queue *blk_alloc_queue(int node_id) if (!q->stats) goto fail_stats; - q->backing_dev_info->ra_pages = VM_READAHEAD_PAGES; - q->backing_dev_info->io_pages = VM_READAHEAD_PAGES; q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK; q->node = node_id; diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 7d930569a7dfb7..b5e5d3140f578e 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -2196,6 +2196,8 @@ static struct backing_dev_info * __init mtd_bdi_init(char *name) bdi = bdi_alloc(NUMA_NO_NODE); if (!bdi) return ERR_PTR(-ENOMEM); + bdi->ra_pages = 0; + bdi->io_pages = 0; /* * We put '-0' suffix to the name to get the same name format as we diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 74df32be4c6a52..e34fa20acf612e 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -80,8 +80,10 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, if (ret) return ret; - if (v9ses->cache) - sb->s_bdi->ra_pages = VM_READAHEAD_PAGES; + if (!v9ses->cache) { + sb->s_bdi->ra_pages = 0; + sb->s_bdi->io_pages = 0; + } sb->s_flags |= SB_ACTIVE | SB_DIRSYNC; if (!v9ses->cache) diff --git a/fs/afs/super.c b/fs/afs/super.c index b552357b1d1379..3a40ee752c1e3f 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -456,7 +456,6 @@ static int afs_fill_super(struct super_block *sb, struct afs_fs_context *ctx) ret = super_setup_bdi(sb); if (ret) return ret; - sb->s_bdi->ra_pages = VM_READAHEAD_PAGES; /* allocate the root inode and dentry */ if (as->dyn_root) { diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index f6bba7eb1fa171..047934cea25efa 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3092,7 +3092,6 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device } sb->s_bdi->capabilities |= BDI_CAP_CGROUP_WRITEBACK; - sb->s_bdi->ra_pages = VM_READAHEAD_PAGES; sb->s_bdi->ra_pages *= btrfs_super_num_devices(disk_super); sb->s_bdi->ra_pages = max(sb->s_bdi->ra_pages, SZ_4M / PAGE_SIZE); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index bba747520e9b08..17b00670fb539e 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -1049,7 +1049,6 @@ static int fuse_bdi_init(struct fuse_conn *fc, struct super_block *sb) if (err) return err; - sb->s_bdi->ra_pages = VM_READAHEAD_PAGES; /* fuse does it's own writeback accounting */ sb->s_bdi->capabilities = BDI_CAP_NO_ACCT_WB | BDI_CAP_STRICTLIMIT; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 7a70287f21a2c1..f943e37853fa25 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1200,13 +1200,6 @@ static void nfs_get_cache_cookie(struct super_block *sb, } #endif -static void nfs_set_readahead(struct backing_dev_info *bdi, - unsigned long iomax_pages) -{ - bdi->ra_pages = VM_READAHEAD_PAGES; - bdi->io_pages = iomax_pages; -} - int nfs_get_tree_common(struct fs_context *fc) { struct nfs_fs_context *ctx = nfs_fc2context(fc); @@ -1251,7 +1244,7 @@ int nfs_get_tree_common(struct fs_context *fc) MINOR(server->s_dev)); if (error) goto error_splat_super; - nfs_set_readahead(s->s_bdi, server->rpages); + s->s_bdi->io_pages = server->rpages; server->super = s; } diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index a2420c900275a8..fbddb2a1c03f5e 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -2177,6 +2177,8 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) c->vi.vol_id); if (err) goto out_close; + sb->s_bdi->ra_pages = 0; + sb->s_bdi->io_pages = 0; sb->s_fs_info = c; sb->s_magic = UBIFS_SUPER_MAGIC; diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c index 8fe03b4a0d2b03..8e3792177a8523 100644 --- a/fs/vboxsf/super.c +++ b/fs/vboxsf/super.c @@ -167,6 +167,8 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc) err = super_setup_bdi_name(sb, "vboxsf-%d", sbi->bdi_id); if (err) goto fail_free; + sb->s_bdi->ra_pages = 0; + sb->s_bdi->io_pages = 0; /* Turn source into a shfl_string and map the folder */ size = strlen(fc->source) + 1; diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 8e8b00627bb2d8..2dac3be6127127 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -746,6 +746,8 @@ struct backing_dev_info *bdi_alloc(int node_id) kfree(bdi); return NULL; } + bdi->ra_pages = VM_READAHEAD_PAGES; + bdi->io_pages = VM_READAHEAD_PAGES; return bdi; } EXPORT_SYMBOL(bdi_alloc);