From 8f490ca2f086eeabb99cdcfeff3818d7b9f27ad2 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Mon, 18 Jan 2016 18:32:58 +0800 Subject: f2fs: export dirty_nats_ratio in sysfs This patch exports a new sysfs entry 'dirty_nat_ratio' to control threshold of dirty nat entries, if current ratio exceeds configured threshold, checkpoint will be triggered in f2fs_balance_fs_bg for flushing dirty nats. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Conflicts: Documentation/ABI/testing/sysfs-fs-f2fs --- fs/f2fs/node.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 97a29b423..8f3f7479a 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2000,6 +2000,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) nm_i->nat_cnt = 0; 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; INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC); INIT_LIST_HEAD(&nm_i->free_nid_list); -- cgit v1.2.3