What: /sys/fs/f2fs/<disk>/gc_max_sleep_time Date: July 2013 Contact: "Namjae Jeon" <namjae.jeon@samsung.com> Description: Controls the maximun sleep time for gc_thread. Time is in milliseconds. What: /sys/fs/f2fs/<disk>/gc_min_sleep_time Date: July 2013 Contact: "Namjae Jeon" <namjae.jeon@samsung.com> Description: Controls the minimum sleep time for gc_thread. Time is in milliseconds. What: /sys/fs/f2fs/<disk>/gc_no_gc_sleep_time Date: July 2013 Contact: "Namjae Jeon" <namjae.jeon@samsung.com> Description: Controls the default sleep time for gc_thread. Time is in milliseconds. What: /sys/fs/f2fs/<disk>/gc_idle Date: July 2013 Contact: "Namjae Jeon" <namjae.jeon@samsung.com> Description: Controls the victim selection policy for garbage collection. What: /sys/fs/f2fs/<disk>/reclaim_segments Date: October 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the issue rate of segment discard commands. What: /sys/fs/f2fs/<disk>/ipu_policy Date: November 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the in-place-update policy. What: /sys/fs/f2fs/<disk>/min_ipu_util Date: November 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the FS utilization condition for the in-place-update policies. What: /sys/fs/f2fs/<disk>/min_fsync_blocks Date: September 2014 Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> Description: Controls the dirty page count condition for the in-place-update policies. What: /sys/fs/f2fs/<disk>/max_small_discards Date: November 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the issue rate of small discard commands. What: /sys/fs/f2fs/<disk>/max_victim_search Date: January 2014 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the number of trials to find a victim segment. What: /sys/fs/f2fs/<disk>/dir_level Date: March 2014 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the directory level for large directory. What: /sys/fs/f2fs/<disk>/ram_thresh Date: March 2014 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the memory footprint used by f2fs. What: /sys/fs/f2fs/<disk>/trim_sections Date: February 2015 Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> Description: Controls the trimming rate in batch mode. What: /sys/fs/f2fs/<disk>/cp_interval Date: October 2015 Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> Description: Controls the checkpoint timing. What: /sys/fs/f2fs/<disk>/idle_interval Date: January 2016 Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> Description: Controls the idle timing. What: /sys/fs/f2fs/<disk>/ra_nid_pages Date: October 2015 Contact: "Chao Yu" <chao2.yu@samsung.com> Description: Controls the count of nid pages to be readaheaded. What: /sys/fs/f2fs/<disk>/dirty_nats_ratio Date: January 2016 Contact: "Chao Yu" <chao2.yu@samsung.com> Description: Controls dirty nat entries ratio threshold, if current ratio exceeds configured threshold, checkpoint will be triggered for flushing dirty nat entries. What: /sys/fs/f2fs/<disk>/lifetime_write_kbytes Date: January 2016 Contact: "Shuoran Liu" <liushuoran@huawei.com> Description: Shows total written kbytes issued to disk.
