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From GitBox <...@apache.org>
Subject [GitHub] [incubator-nuttx] Oxore opened a new pull request #918: tmpfs: Fix tmpfs_foreach recursively removing files in directories
Date Thu, 30 Apr 2020 06:43:28 GMT

Oxore opened a new pull request #918:
URL: https://github.com/apache/incubator-nuttx/pull/918


   Fixes #912
   
   ## Summary
   
   This PR fixes `tmpfs_foreach` unconditionally and recursively removing files in directories
of any mounted TMPFS. It is ok when it called from `tmpfs_unbind` op, but it shouldn't delete
any files if called from `tmpfs_statfs`.
   
   ## Impact
   
   - TMPFS usage statistics analysis (statfs) operation.
   - TMPFS umount (unbind) operation.
   
   ## Testing
   
   Tested `tmpfs_statfs` case only, which is called when running `df` command or reading `/proc/fs/usage`.
It seems like values in `/proc/fs/usage` are increasing now if more files created and all
files remains unchanged in any directory of TMPFS.


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