| Linus Torvalds | 8005ecc | 2012-12-20 13:54:51 -0800 | [diff] [blame] | 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. |
| Jaegeuk Kim | 9a20f5d | 2014-01-09 21:00:06 +0900 | [diff] [blame] | 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 | |
| Jaegeuk Kim | 715d05f | 2015-01-19 11:06:13 -0600 | [diff] [blame] | 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 | |
| Jaegeuk Kim | 9a20f5d | 2014-01-09 21:00:06 +0900 | [diff] [blame] | 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. |
| Jaegeuk Kim | 327c57d | 2014-03-19 13:31:37 +0900 | [diff] [blame] | 65 | |
| Jaegeuk Kim | 715d05f | 2015-01-19 11:06:13 -0600 | [diff] [blame] | 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 | |
| Jaegeuk Kim | 327c57d | 2014-03-19 13:31:37 +0900 | [diff] [blame] | 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. |
| Jaegeuk Kim | 715d05f | 2015-01-19 11:06:13 -0600 | [diff] [blame] | 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. |
| Jaegeuk Kim | 4fae7dd | 2015-11-12 10:23:18 -0600 | [diff] [blame^] | 83 | |
| 84 | What: /sys/fs/f2fs/<disk>/cp_interval |
| 85 | Date: October 2015 |
| 86 | Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> |
| 87 | Description: |
| 88 | Controls the checkpoint timing. |