Unionfs: remove whiteout of opened but unlinked file from readonly branch
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 6 Sep 2011 01:20:36 +0000 (21:20 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 6 Sep 2011 01:20:36 +0000 (21:20 -0400)
commit609805dcc7a6e398f01241bf1536a57dabcaade1
treea5d298739fd08b6d7120b14e622034acdef7bb6c
parentae3c459cf93167b8362b69a5570208797fb3b8b8
Unionfs: remove whiteout of opened but unlinked file from readonly branch

If we unlink an opened file in a readonly branch, then we create a whiteout.
But then if if ftruncate it, we copyup a zero-length file.  So we have to
delete the whiteout.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
fs/unionfs/inode.c