sysfs-fs-incfs 2.5 KB

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