[Bugs] [Bug 1724624] LINK does not invalidate metadata cache of parent directory

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1724624

homma at allworks.co.jp changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|5                           |mainline



--- Comment #2 from homma at allworks.co.jp ---
I have confirmed that the problem persists on release 6.3.

On release 6, metadata cache of directories are refreshed by 'ls -l' for 1-way
distributed volumes, because of dht pass-through.
In that case, the problem is reproduced by the following steps:
  On client#1: stat dir1 dir2
  On client#2: stat dir1 dir2
  On client#1: echo test > dir1/test
  On client#1: ln dir1/test dir2/test
  On client#1: rm dir1/test
  On client#1: stat dir1 dir2
  On client#2: stat dir1 dir2

On client#2, mtime and ctime of dir2 are not updated until expiration of
metadata cache.

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