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- 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.
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