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authorChao Yu <chao2.yu@samsung.com>2016-01-18 10:32:58 (GMT)
committerJaegeuk Kim <jaegeuk@kernel.org>2016-02-23 00:07:23 (GMT)
commit2304cb0c4438829c88bed69f57374b80ae31f0ba (patch)
tree6558a73688e39def7c8049a5aa4eb5de8560afd5 /fs/f2fs/f2fs.h
parent7d768d2c264eec44941a13cb92200565e8c754d0 (diff)
downloadlinux-2304cb0c4438829c88bed69f57374b80ae31f0ba.tar.xz
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/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e41ffc1..6c08cb1 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -515,6 +515,7 @@ struct f2fs_nm_info {
nid_t next_scan_nid; /* the next nid to be scanned */
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 */
/* NAT cache management */
struct radix_tree_root nat_root;/* root of the nat entry cache */