opendir and changes in the opened directory

Hello,

From the comments in fuse_lowlevel.h:

	 * Filesystem may also implement stateless directory I/O and not
	 * store anything in fi->fh, though that makes it impossible to
	 * implement standard conforming directory stream operations in
	 * case the contents of the directory can change between opendir
	 * and releasedir.

How would a standard conforming stream operation have to behave in this
case, and which standard is meant here? According to
http://www.opengroup.org/onlinepubs/007908799/xsh/readdir.html, the
behaviour of e.g. readdir is not defined at all if there directory
contents change:

       If a file is removed from or added to the directory after the
       most recent call to opendir() or rewinddir(), whether a
       subsequent call to readdir() returns an entry for that file is
       unspecified.  

Best,

   -Nikolaus

-- 
 »Time flies like an arrow, fruit flies like a Banana.«

  PGP fingerprint: 5B93 61F8 4EA2 E279 ABF6  02CF A9AD B7F8 AE4E 425C


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