[3.13] gh-81520: Document unexpected os.path.ismount behaviour with btrfs subvolumes (GH-136058)
#160234
| Job | Run time |
|---|---|
| 13s | |
| -1s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| -1s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 1m 47s | |
| 7m 4s | |
| 2s | |
| 9m 4s |