| What: /sys/fs/incremental-fs/features/corefs | |
| Date: 2019 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Reads 'supported'. Always present. | |
| What: /sys/fs/incremental-fs/features/v2 | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Reads 'supported'. Present if all v2 features of incfs are | |
| supported. | |
| What: /sys/fs/incremental-fs/features/zstd | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Reads 'supported'. Present if zstd compression is supported | |
| for data blocks. | |
| What: /sys/fs/incremental-fs/features/bugfix_throttling | |
| Date: January 2023 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Reads 'supported'. Present if the throttling lock bug is fixed | |
| https://android-review.git.corp.google.com/c/kernel/common/+/2381827 | |
| What: /sys/fs/incremental-fs/instances/[name] | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Folder created when incfs is mounted with the sysfs_name=[name] | |
| option. If this option is used, the following values are created | |
| in this folder. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_min | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns a count of the number of reads that were delayed as a | |
| result of the per UID read timeouts min time setting. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_min_us | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns total delay time for all files since first mount as a | |
| result of the per UID read timeouts min time setting. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_pending | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns a count of the number of reads that were delayed as a | |
| result of waiting for a pending read. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_pending_us | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns total delay time for all files since first mount as a | |
| result of waiting for a pending read. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_failed_hash_verification | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns number of reads that failed because of hash verification | |
| failures. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_failed_other | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns number of reads that failed for reasons other than | |
| timing out or hash failures. | |
| What: /sys/fs/incremental-fs/instances/[name]/reads_failed_timed_out | |
| Date: April 2021 | |
| Contact: Paul Lawrence <paullawrence@google.com> | |
| Description: Returns number of reads that timed out. |