From mboxrd@z Thu Jan 1 00:00:00 1970 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 3C2F8C433F5 for ; Thu, 3 Feb 2022 14:47:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351479AbiBCOrK (ORCPT ); Thu, 3 Feb 2022 09:47:10 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:44546 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351388AbiBCOqz (ORCPT ); Thu, 3 Feb 2022 09:46:55 -0500 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 ams.source.kernel.org (Postfix) with ESMTPS id 324DEB8276E for ; Thu, 3 Feb 2022 14:46:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DC49C340ED; Thu, 3 Feb 2022 14:46:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643899612; bh=vL16p4UfH1QlfC3k83iqhPwqSj25CS+PjfWpKC1+0ho=; h=Date:Subject:To:References:From:In-Reply-To:From; b=IPVfWeOs5GwLNMjzD8TgWQbzk2UwWs3Gi0FIywxqoyeL0k9Da61h/K1vjCmmRppHv ++cQ7dS7u/Kp+ASMCI4juIT6lRSpIgR7Xvz2WE9rdm6I87lkAq6qgu1qPYFlNQwrRj 6vG2ZhXZKK90KFzMkNXWbcZ9hzumtu8QP8M6/1ooXCb46v5YGQwb1S2QbtRLiWBYBx P2MmUKp/dvG/Oy2f0UC1Y2dRAoZHvsjQDtk3YcRB+CsFqP5Kv7rQQ4AnpaBc6tKqKu dvEWCeDHDpbIpan5VW5bhLY+U8X4pU0+ES7d+8vRrYT1Z5d2KPgwM3FJSTy/jfxW1R zJev0BeYhysWQ== Message-ID: <142d2cc9-73f2-f9fa-2543-6426c62e77a6@kernel.org> Date: Thu, 3 Feb 2022 22:46:46 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [f2fs-dev] [PATCH v2] f2fs: add a way to limit roll forward recovery time Content-Language: en-US To: Jaegeuk Kim , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <20220127214102.2040254-1-jaegeuk@kernel.org> From: Chao Yu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/2/3 8:34, Jaegeuk Kim wrote: > This adds a sysfs entry to call checkpoint during fsync() in order to avoid > long elapsed time to run roll-forward recovery when booting the device. > Default value doesn't enforce the limitation which is same as before. > > Signed-off-by: Jaegeuk Kim > --- > v2 from v1: > - make the default w/o enforcement > > Documentation/ABI/testing/sysfs-fs-f2fs | 6 ++++++ > fs/f2fs/checkpoint.c | 1 + > fs/f2fs/f2fs.h | 3 +++ > fs/f2fs/node.c | 2 ++ > fs/f2fs/node.h | 3 +++ > fs/f2fs/recovery.c | 4 ++++ > fs/f2fs/sysfs.c | 2 ++ > 7 files changed, 21 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs > index 87d3884c90ea..ce8103f522cb 100644 > --- a/Documentation/ABI/testing/sysfs-fs-f2fs > +++ b/Documentation/ABI/testing/sysfs-fs-f2fs > @@ -567,3 +567,9 @@ Contact: "Daeho Jeong" > Description: You can set the trial count limit for GC urgent high mode with this value. > If GC thread gets to the limit, the mode will turn back to GC normal mode. > By default, the value is zero, which means there is no limit like before. > + > +What: /sys/fs/f2fs//max_roll_forward_node_blocks > +Date: January 2022 > +Contact: "Jaegeuk Kim" > +Description: Controls max # of node block writes to be used for roll forward > + recovery. This can limit the roll forward recovery time. > diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c > index deeda95688f0..57a2d9164bee 100644 > --- a/fs/f2fs/checkpoint.c > +++ b/fs/f2fs/checkpoint.c > @@ -1543,6 +1543,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) > /* update user_block_counts */ > sbi->last_valid_block_count = sbi->total_valid_block_count; > percpu_counter_set(&sbi->alloc_valid_block_count, 0); > + percpu_counter_set(&sbi->rf_node_block_count, 0); > > /* Here, we have one bio having CP pack except cp pack 2 page */ > f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h > index 63c90416364b..6ddb98ff0b7c 100644 > --- a/fs/f2fs/f2fs.h > +++ b/fs/f2fs/f2fs.h > @@ -913,6 +913,7 @@ struct f2fs_nm_info { > nid_t max_nid; /* maximum possible node ids */ > nid_t available_nids; /* # of available node ids */ > nid_t next_scan_nid; /* the next nid to be scanned */ > + nid_t max_rf_node_blocks; /* max # of nodes for recovery */ > unsigned int ram_thresh; /* control the memory footprint */ > unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ > unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ > @@ -1684,6 +1685,8 @@ struct f2fs_sb_info { > atomic_t nr_pages[NR_COUNT_TYPE]; > /* # of allocated blocks */ > struct percpu_counter alloc_valid_block_count; > + /* # of node block writes as roll forward recovery */ > + struct percpu_counter rf_node_block_count; > > /* writeback control */ > atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ > diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c > index 93512f8859d5..0d9883457579 100644 > --- a/fs/f2fs/node.c > +++ b/fs/f2fs/node.c > @@ -1782,6 +1782,7 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, > > if (!atomic || page == last_page) { > set_fsync_mark(page, 1); > + percpu_counter_inc(&sbi->rf_node_block_count); if (NM_I(sbi)->max_rf_node_blocks) percpu_counter_inc(&sbi->rf_node_block_count); Thanks, > if (IS_INODE(page)) { > if (is_inode_flag_set(inode, > FI_DIRTY_INODE)) > @@ -3218,6 +3219,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) > nm_i->ram_thresh = DEF_RAM_THRESHOLD; > nm_i->ra_nid_pages = DEF_RA_NID_PAGES; > nm_i->dirty_nats_ratio = DEF_DIRTY_NAT_RATIO_THRESHOLD; > + nm_i->max_rf_node_blocks = DEF_RF_NODE_BLOCKS; > > INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC); > INIT_LIST_HEAD(&nm_i->free_nid_list); > diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h > index 18b98cf0465b..4c1d34bfea78 100644 > --- a/fs/f2fs/node.h > +++ b/fs/f2fs/node.h > @@ -31,6 +31,9 @@ > /* control total # of nats */ > #define DEF_NAT_CACHE_THRESHOLD 100000 > > +/* control total # of node writes used for roll-fowrad recovery */ > +#define DEF_RF_NODE_BLOCKS 0 > + > /* vector size for gang look-up from nat cache that consists of radix tree */ > #define NATVEC_SIZE 64 > #define SETVEC_SIZE 32 > diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c > index 10d152cfa58d..1c8041fd854e 100644 > --- a/fs/f2fs/recovery.c > +++ b/fs/f2fs/recovery.c > @@ -53,9 +53,13 @@ extern struct kmem_cache *f2fs_cf_name_slab; > bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi) > { > s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count); > + u32 rf_node = percpu_counter_sum_positive(&sbi->rf_node_block_count); > > if (sbi->last_valid_block_count + nalloc > sbi->user_block_count) > return false; > + if (NM_I(sbi)->max_rf_node_blocks && > + rf_node >= NM_I(sbi)->max_rf_node_blocks) > + return false; > return true; > } > > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c > index 281bc0133ee6..47efcf233afd 100644 > --- a/fs/f2fs/sysfs.c > +++ b/fs/f2fs/sysfs.c > @@ -732,6 +732,7 @@ F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ssr_sections, min_ssr_sections); > F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh); > F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages); > F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio); > +F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, max_roll_forward_node_blocks, max_rf_node_blocks); > F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search); > F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, migration_granularity, migration_granularity); > F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level); > @@ -855,6 +856,7 @@ static struct attribute *f2fs_attrs[] = { > ATTR_LIST(ram_thresh), > ATTR_LIST(ra_nid_pages), > ATTR_LIST(dirty_nats_ratio), > + ATTR_LIST(max_roll_forward_node_blocks), > ATTR_LIST(cp_interval), > ATTR_LIST(idle_interval), > ATTR_LIST(discard_idle_interval), From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 255CCC433F5 for ; Thu, 3 Feb 2022 14:47:09 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.94.2) (envelope-from ) id 1nFdO8-0006Ep-UX; Thu, 03 Feb 2022 14:47:07 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nFdO7-0006EW-4M for linux-f2fs-devel@lists.sourceforge.net; Thu, 03 Feb 2022 14:47:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: From:References:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To:Cc: 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=vmj6dU6P2r9mv3eP4ZrpjDBOA9CSjIXn9dLzH2YcT64=; b=kiUJGWArtwhcjM8bUlddnmkQ6p 8PTs7GOCAURKH6JldIHs8x+LUQrRW9nAWFhdXqfDxfb8Cv0uh5QFW5eY47A8jqMBhKLY42dFxE280 MCiybkm5CcHjaoc2naZjYoktaQJgOORm99TuPxhiMm3Q4Vy/3sC5is/BFF9qI4UIVPEs=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From:References:To: Subject:MIME-Version:Date:Message-ID:Sender:Reply-To:Cc: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=vmj6dU6P2r9mv3eP4ZrpjDBOA9CSjIXn9dLzH2YcT64=; b=mxmBg2tDsb0qB6xaYI52r4FsQz qMUmCyu3OdNPPF4jR7c5DKs1780FavgEfG1jORCkVbDNi+XD5trhIX5UFstNk5HIPqdOj8IALJJjE yA4nTbYBfH2tuc0IWrU/B5LsqWdR50zaqJNRKUOC1wfBivDDucTAXirPtdzaz9tqGla4=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.94.2) id 1nFdO1-0005fp-7o for linux-f2fs-devel@lists.sourceforge.net; Thu, 03 Feb 2022 14:47:05 +0000 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 7247861A11 for ; Thu, 3 Feb 2022 14:46:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DC49C340ED; Thu, 3 Feb 2022 14:46:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643899612; bh=vL16p4UfH1QlfC3k83iqhPwqSj25CS+PjfWpKC1+0ho=; h=Date:Subject:To:References:From:In-Reply-To:From; b=IPVfWeOs5GwLNMjzD8TgWQbzk2UwWs3Gi0FIywxqoyeL0k9Da61h/K1vjCmmRppHv ++cQ7dS7u/Kp+ASMCI4juIT6lRSpIgR7Xvz2WE9rdm6I87lkAq6qgu1qPYFlNQwrRj 6vG2ZhXZKK90KFzMkNXWbcZ9hzumtu8QP8M6/1ooXCb46v5YGQwb1S2QbtRLiWBYBx P2MmUKp/dvG/Oy2f0UC1Y2dRAoZHvsjQDtk3YcRB+CsFqP5Kv7rQQ4AnpaBc6tKqKu dvEWCeDHDpbIpan5VW5bhLY+U8X4pU0+ES7d+8vRrYT1Z5d2KPgwM3FJSTy/jfxW1R zJev0BeYhysWQ== Message-ID: <142d2cc9-73f2-f9fa-2543-6426c62e77a6@kernel.org> Date: Thu, 3 Feb 2022 22:46:46 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Content-Language: en-US To: Jaegeuk Kim , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net References: <20220127214102.2040254-1-jaegeuk@kernel.org> From: Chao Yu In-Reply-To: X-Headers-End: 1nFdO1-0005fp-7o Subject: Re: [f2fs-dev] [PATCH v2] f2fs: add a way to limit roll forward recovery time X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2022/2/3 8:34, Jaegeuk Kim wrote: > This adds a sysfs entry to call checkpoint during fsync() in order to avoid > long elapsed time to run roll-forward recovery when booting the device. > Default value doesn't enforce the limitation which is same as before. > > Signed-off-by: Jaegeuk Kim > --- > v2 from v1: > - make the default w/o enforcement > > Documentation/ABI/testing/sysfs-fs-f2fs | 6 ++++++ > fs/f2fs/checkpoint.c | 1 + > fs/f2fs/f2fs.h | 3 +++ > fs/f2fs/node.c | 2 ++ > fs/f2fs/node.h | 3 +++ > fs/f2fs/recovery.c | 4 ++++ > fs/f2fs/sysfs.c | 2 ++ > 7 files changed, 21 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs > index 87d3884c90ea..ce8103f522cb 100644 > --- a/Documentation/ABI/testing/sysfs-fs-f2fs > +++ b/Documentation/ABI/testing/sysfs-fs-f2fs > @@ -567,3 +567,9 @@ Contact: "Daeho Jeong" > Description: You can set the trial count limit for GC urgent high mode with this value. > If GC thread gets to the limit, the mode will turn back to GC normal mode. > By default, the value is zero, which means there is no limit like before. > + > +What: /sys/fs/f2fs//max_roll_forward_node_blocks > +Date: January 2022 > +Contact: "Jaegeuk Kim" > +Description: Controls max # of node block writes to be used for roll forward > + recovery. This can limit the roll forward recovery time. > diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c > index deeda95688f0..57a2d9164bee 100644 > --- a/fs/f2fs/checkpoint.c > +++ b/fs/f2fs/checkpoint.c > @@ -1543,6 +1543,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) > /* update user_block_counts */ > sbi->last_valid_block_count = sbi->total_valid_block_count; > percpu_counter_set(&sbi->alloc_valid_block_count, 0); > + percpu_counter_set(&sbi->rf_node_block_count, 0); > > /* Here, we have one bio having CP pack except cp pack 2 page */ > f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h > index 63c90416364b..6ddb98ff0b7c 100644 > --- a/fs/f2fs/f2fs.h > +++ b/fs/f2fs/f2fs.h > @@ -913,6 +913,7 @@ struct f2fs_nm_info { > nid_t max_nid; /* maximum possible node ids */ > nid_t available_nids; /* # of available node ids */ > nid_t next_scan_nid; /* the next nid to be scanned */ > + nid_t max_rf_node_blocks; /* max # of nodes for recovery */ > unsigned int ram_thresh; /* control the memory footprint */ > unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ > unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ > @@ -1684,6 +1685,8 @@ struct f2fs_sb_info { > atomic_t nr_pages[NR_COUNT_TYPE]; > /* # of allocated blocks */ > struct percpu_counter alloc_valid_block_count; > + /* # of node block writes as roll forward recovery */ > + struct percpu_counter rf_node_block_count; > > /* writeback control */ > atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ > diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c > index 93512f8859d5..0d9883457579 100644 > --- a/fs/f2fs/node.c > +++ b/fs/f2fs/node.c > @@ -1782,6 +1782,7 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, > > if (!atomic || page == last_page) { > set_fsync_mark(page, 1); > + percpu_counter_inc(&sbi->rf_node_block_count); if (NM_I(sbi)->max_rf_node_blocks) percpu_counter_inc(&sbi->rf_node_block_count); Thanks, > if (IS_INODE(page)) { > if (is_inode_flag_set(inode, > FI_DIRTY_INODE)) > @@ -3218,6 +3219,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) > nm_i->ram_thresh = DEF_RAM_THRESHOLD; > nm_i->ra_nid_pages = DEF_RA_NID_PAGES; > nm_i->dirty_nats_ratio = DEF_DIRTY_NAT_RATIO_THRESHOLD; > + nm_i->max_rf_node_blocks = DEF_RF_NODE_BLOCKS; > > INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC); > INIT_LIST_HEAD(&nm_i->free_nid_list); > diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h > index 18b98cf0465b..4c1d34bfea78 100644 > --- a/fs/f2fs/node.h > +++ b/fs/f2fs/node.h > @@ -31,6 +31,9 @@ > /* control total # of nats */ > #define DEF_NAT_CACHE_THRESHOLD 100000 > > +/* control total # of node writes used for roll-fowrad recovery */ > +#define DEF_RF_NODE_BLOCKS 0 > + > /* vector size for gang look-up from nat cache that consists of radix tree */ > #define NATVEC_SIZE 64 > #define SETVEC_SIZE 32 > diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c > index 10d152cfa58d..1c8041fd854e 100644 > --- a/fs/f2fs/recovery.c > +++ b/fs/f2fs/recovery.c > @@ -53,9 +53,13 @@ extern struct kmem_cache *f2fs_cf_name_slab; > bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi) > { > s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count); > + u32 rf_node = percpu_counter_sum_positive(&sbi->rf_node_block_count); > > if (sbi->last_valid_block_count + nalloc > sbi->user_block_count) > return false; > + if (NM_I(sbi)->max_rf_node_blocks && > + rf_node >= NM_I(sbi)->max_rf_node_blocks) > + return false; > return true; > } > > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c > index 281bc0133ee6..47efcf233afd 100644 > --- a/fs/f2fs/sysfs.c > +++ b/fs/f2fs/sysfs.c > @@ -732,6 +732,7 @@ F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ssr_sections, min_ssr_sections); > F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh); > F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages); > F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio); > +F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, max_roll_forward_node_blocks, max_rf_node_blocks); > F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search); > F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, migration_granularity, migration_granularity); > F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level); > @@ -855,6 +856,7 @@ static struct attribute *f2fs_attrs[] = { > ATTR_LIST(ram_thresh), > ATTR_LIST(ra_nid_pages), > ATTR_LIST(dirty_nats_ratio), > + ATTR_LIST(max_roll_forward_node_blocks), > ATTR_LIST(cp_interval), > ATTR_LIST(idle_interval), > ATTR_LIST(discard_idle_interval), _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel