[Bug 1879] ctime/atime Issue on IMFS, DOS, and RFS

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1879

--- Comment #9 from Chris Johns <chrisj at rtems.org> 2011-08-02 23:37:00 CDT ---
(In reply to comment #7)
> The problem is according to the spec, mknod mkdir creat unlink unlink and
> rename  "shall mark for update the st_ctime and st_mtime fields of the parent
> directory". The tests don't cover them all right now.

This make sense. I can see the mtime is not covered for mknod in the RFS.

> My question is whether
> this POSIX compatibility is necessary for embedded system?

We should default to supporting POSIX and provide a means to turn this off with
specific file system options.

> And there is a
> Criticism of atime in wikipedia.
> http://en.wikipedia.org/wiki/Atime_(Unix)#atime

It is an issue and makes for an interesting effect with flash based file
systems.

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