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| author | Chao Yu <chao2.yu@samsung.com> | 2016-01-18 18:32:58 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
| commit | 2304cb0c4438829c88bed69f57374b80ae31f0ba (patch) | |
| tree | 6558a73688e39def7c8049a5aa4eb5de8560afd5 /fs/f2fs/node.c | |
| parent | 7d768d2c264eec44941a13cb92200565e8c754d0 (diff) | |
| download | lwn-2304cb0c4438829c88bed69f57374b80ae31f0ba.tar.gz lwn-2304cb0c4438829c88bed69f57374b80ae31f0ba.zip | |
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 <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 342597a5897f..636928195224 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); |