^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) What: /sys/fs/incremental-fs/features/corefs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) Date: 2019
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Description: Reads 'supported'. Always present.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) What: /sys/fs/incremental-fs/features/v2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) Description: Reads 'supported'. Present if all v2 features of incfs are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) supported.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) What: /sys/fs/incremental-fs/features/zstd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) Description: Reads 'supported'. Present if zstd compression is supported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) for data blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) What: /sys/fs/incremental-fs/instances/[name]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) Description: Folder created when incfs is mounted with the sysfs_name=[name]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) option. If this option is used, the following values are created
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) in this folder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_min
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) Description: Returns a count of the number of reads that were delayed as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) result of the per UID read timeouts min time setting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_min_us
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) Description: Returns total delay time for all files since first mount as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) result of the per UID read timeouts min time setting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_pending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) Description: Returns a count of the number of reads that were delayed as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) result of waiting for a pending read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_pending_us
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) Description: Returns total delay time for all files since first mount as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) result of waiting for a pending read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) What: /sys/fs/incremental-fs/instances/[name]/reads_failed_hash_verification
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) Description: Returns number of reads that failed because of hash verification
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) failures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) What: /sys/fs/incremental-fs/instances/[name]/reads_failed_other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) Description: Returns number of reads that failed for reasons other than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) timing out or hash failures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) What: /sys/fs/incremental-fs/instances/[name]/reads_failed_timed_out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) Date: April 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) Contact: Paul Lawrence <paullawrence@google.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) Description: Returns number of reads that timed out.