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Based on kernel version 4.0. Page generated on 2015-04-14 21:19 EST.

1	What:		/sys/fs/f2fs/<disk>/gc_max_sleep_time
2	Date:		July 2013
3	Contact:	"Namjae Jeon" <namjae.jeon@samsung.com>
4	Description:
5			 Controls the maximun sleep time for gc_thread. Time
6			 is in milliseconds.
7	
8	What:		/sys/fs/f2fs/<disk>/gc_min_sleep_time
9	Date:		July 2013
10	Contact:	"Namjae Jeon" <namjae.jeon@samsung.com>
11	Description:
12			 Controls the minimum sleep time for gc_thread. Time
13			 is in milliseconds.
14	
15	What:		/sys/fs/f2fs/<disk>/gc_no_gc_sleep_time
16	Date:		July 2013
17	Contact:	"Namjae Jeon" <namjae.jeon@samsung.com>
18	Description:
19			 Controls the default sleep time for gc_thread. Time
20			 is in milliseconds.
21	
22	What:		/sys/fs/f2fs/<disk>/gc_idle
23	Date:		July 2013
24	Contact:	"Namjae Jeon" <namjae.jeon@samsung.com>
25	Description:
26			 Controls the victim selection policy for garbage collection.
27	
28	What:		/sys/fs/f2fs/<disk>/reclaim_segments
29	Date:		October 2013
30	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
31	Description:
32			 Controls the issue rate of segment discard commands.
33	
34	What:		/sys/fs/f2fs/<disk>/ipu_policy
35	Date:		November 2013
36	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
37	Description:
38			 Controls the in-place-update policy.
39	
40	What:		/sys/fs/f2fs/<disk>/min_ipu_util
41	Date:		November 2013
42	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
43	Description:
44			 Controls the FS utilization condition for the in-place-update
45			 policies.
46	
47	What:		/sys/fs/f2fs/<disk>/min_fsync_blocks
48	Date:		September 2014
49	Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
50	Description:
51			 Controls the dirty page count condition for the in-place-update
52			 policies.
53	
54	What:		/sys/fs/f2fs/<disk>/max_small_discards
55	Date:		November 2013
56	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
57	Description:
58			 Controls the issue rate of small discard commands.
59	
60	What:		/sys/fs/f2fs/<disk>/max_victim_search
61	Date:		January 2014
62	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
63	Description:
64			 Controls the number of trials to find a victim segment.
65	
66	What:		/sys/fs/f2fs/<disk>/dir_level
67	Date:		March 2014
68	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
69	Description:
70			 Controls the directory level for large directory.
71	
72	What:		/sys/fs/f2fs/<disk>/ram_thresh
73	Date:		March 2014
74	Contact:	"Jaegeuk Kim" <jaegeuk.kim@samsung.com>
75	Description:
76			 Controls the memory footprint used by f2fs.
77	
78	What:		/sys/fs/f2fs/<disk>/trim_sections
79	Date:		February 2015
80	Contact:	"Jaegeuk Kim" <jaegeuk@kernel.org>
81	Description:
82			 Controls the trimming rate in batch mode.
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