projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / blame
| Commit | Line | Data |
|---|---|---|
| b59d0bae NJ |
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. | |
| d2dc095f NJ |
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. | |
| 3bac380c JK |
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 | ||
| c1ce1b02 JK |
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 | ||
| 3bac380c JK |
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 | ||
| 13f00235 JK |
60 | What: /sys/fs/f2fs/<disk>/discard_granularity |
| 61 | Date: July 2017 | |
| 62 | Contact: "Chao Yu" <yuchao0@huawei.com> | |
| 63 | Description: | |
| 64 | Controls discard granularity of inner discard thread, inner thread | |
| 65 | will not issue discards with size that is smaller than granularity. | |
| 66 | The unit size is one block, now only support configuring in range | |
| 67 | of [1, 512]. | |
| 68 | ||
| 3bac380c JK |
69 | What: /sys/fs/f2fs/<disk>/max_victim_search |
| 70 | Date: January 2014 | |
| 71 | Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> | |
| 72 | Description: | |
| 73 | Controls the number of trials to find a victim segment. | |
| cdfc41c1 | 74 | |
| 91796825 JK |
75 | What: /sys/fs/f2fs/<disk>/dir_level |
| 76 | Date: March 2014 | |
| 77 | Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> | |
| 78 | Description: | |
| 79 | Controls the directory level for large directory. | |
| 80 | ||
| cdfc41c1 JK |
81 | What: /sys/fs/f2fs/<disk>/ram_thresh |
| 82 | Date: March 2014 | |
| 83 | Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> | |
| 84 | Description: | |
| 85 | Controls the memory footprint used by f2fs. | |
| bba681cb JK |
86 | |
| 87 | What: /sys/fs/f2fs/<disk>/trim_sections | |
| 88 | Date: February 2015 | |
| 89 | Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> | |
| 90 | Description: | |
| 91 | Controls the trimming rate in batch mode. | |
| 60b99b48 JK |
92 | |
| 93 | What: /sys/fs/f2fs/<disk>/cp_interval | |
| 94 | Date: October 2015 | |
| 95 | Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> | |
| 96 | Description: | |
| 97 | Controls the checkpoint timing. | |
| ea1a29a0 CY |
98 | |
| 99 | What: /sys/fs/f2fs/<disk>/ra_nid_pages | |
| 100 | Date: October 2015 | |
| 101 | Contact: "Chao Yu" <chao2.yu@samsung.com> | |
| 102 | Description: | |
| 103 | Controls the count of nid pages to be readaheaded. | |
| 13f00235 JK |
104 | |
| 105 | What: /sys/fs/f2fs/<disk>/dirty_nats_ratio | |
| 106 | Date: January 2016 | |
| 107 | Contact: "Chao Yu" <chao2.yu@samsung.com> | |
| 108 | Description: | |
| 109 | Controls dirty nat entries ratio threshold, if current | |
| 110 | ratio exceeds configured threshold, checkpoint will | |
| 111 | be triggered for flushing dirty nat entries. | |
| 112 | ||
| 113 | What: /sys/fs/f2fs/<disk>/lifetime_write_kbytes | |
| 114 | Date: January 2016 | |
| 115 | Contact: "Shuoran Liu" <liushuoran@huawei.com> | |
| 116 | Description: | |
| 117 | Shows total written kbytes issued to disk. | |
| 118 | ||
| 119 | What: /sys/fs/f2fs/<disk>/inject_rate | |
| 120 | Date: May 2016 | |
| 121 | Contact: "Sheng Yong" <shengyong1@huawei.com> | |
| 122 | Description: | |
| 123 | Controls the injection rate. | |
| 124 | ||
| 125 | What: /sys/fs/f2fs/<disk>/inject_type | |
| 126 | Date: May 2016 | |
| 127 | Contact: "Sheng Yong" <shengyong1@huawei.com> | |
| 128 | Description: | |
| 129 | Controls the injection type. | |
| 130 | ||
| 131 | What: /sys/fs/f2fs/<disk>/reserved_blocks | |
| 132 | Date: June 2017 | |
| 133 | Contact: "Chao Yu" <yuchao0@huawei.com> | |
| 134 | Description: | |
| 135 | Controls current reserved blocks in system. | |
| 136 | ||
| 137 | What: /sys/fs/f2fs/<disk>/gc_urgent | |
| 138 | Date: August 2017 | |
| 139 | Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> | |
| 140 | Description: | |
| 141 | Do background GC agressively | |
| 142 | ||
| 143 | What: /sys/fs/f2fs/<disk>/gc_urgent_sleep_time | |
| 144 | Date: August 2017 | |
| 145 | Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> | |
| 146 | Description: | |
| 147 | Controls sleep time of GC urgent mode |