Find all folders pointing to certain filesystem

What command should i use to find out what are all the folders pointing or pending on certain filesystem?

I get an alarm when a filesystem on a machine exceeds 90% of its capacity, however i dont know how to find all the folders that are pending on that same filesystem.

is there any command to achieve that?

thank you.
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cd to the root directory (the mountpoint) of the filesystem in question and issue

find -x . -type d

The above is FreeBSD specific, on Linux/AIX/Solaris you would have to use

find  .  -xdev -type d

Alternatively, if you don't want to "cd" to the mountpoint, use

find -x /mount/point -type d


find /mount/point  -xdev -type d

The mountpoint of a filesystem can be found in the last column of the output from "df".

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Unix OS

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