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Unionfs: cache coherency after lower objects are removed
authorErez_Zadok <ezk@cs.sunysb.edu>
Tue, 11 Sep 2007 00:19:29 +0000 (20:19 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Wed, 20 May 2009 20:59:17 +0000 (16:59 -0400)
commitc77cb993d9b8e2b788e97940a758721b2bf9b24c
tree147a03f7fd13950efee4cfc3287a0030c2ecadb4tree | snapshot
parent622bf21f8fe91c0944587f1591759687f376bfdecommit | diff
Unionfs: cache coherency after lower objects are removed

Prevent an oops if a lower file is deleted and then it is stat'ed from the
upper layer.  Ensure that we return a negative dentry so the user will get
an ENOENT.  Properly dput/mntput so we don't leak references at the lower
file system.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
fs/unionfs/lookup.c diff | blob | history
unionfs2-2.6.28.y