filesystem time stamp resolution
From: Ulrich Drepper
Date: Thu Feb 26 2009 - 18:18:26 EST
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How can code at userlevel (e.g., glibc) determine the resolution of the
a filesystem timestamp?
- - I cannot create or modify a file since the information must also
be available for filesystems where the caller has no write permission
- - it has to work going forward (i.e., hardcoding information is no good
One acceptable solution (for me) would be to have directories for the
filesystem types under /proc/fs (or /sys/fs) which show this
Measured in nano-seconds or so.
As a bonus have symlinks like
/proc/fs/ef53 -> /proc/fs/ext4
(i.e., map the superblock magic number to a name. But I can live with
As a second bonus any help for network filesystems would be good but.
Do I miss anything that is there already?
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â
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