[issue39460] test_zipfile: test_add_file_after_2107() sometimes fails on Fedora Rawhide 3.x

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Next question: does the issue come from the glibc or the filesystem? Attached mtime.c should ease debug. If you reproduce the issue, please test different filesystem and report which filesystems you tested.

To detect the filesystem used by a directory, I'm using df to find the mount point (ex: "/home") and then mount to get the filesystem:

$ df .
Filesystem      Size  Used Avail Use% Mounted on
/dev/nvme0n1p3  461G  368G   93G  80% /home

$ mount|grep /home
/dev/nvme0n1p3 on /home type btrfs (rw,relatime,seclabel,ssd,space_cache,subvolid=258,subvol=/home)

=> btrfs here

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