linux: gp_dir_cache: Fix inotify
linux: gp_dir_cache: Fix inotify

* Propery loop over all events returned by read on inotify fd

* Handle IN_MOVE events as well

* Handle special case where file is deleted right after it was created

Signed-off-by: Cyril Hrubis <b1e90efd3b808b8e0bcf2a9a55fd8b9a779bfd81@ucw.cz>

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