Unionfs: remove whiteout of opened but unlinked file from readonly branch
authorErez Zadok <ezk@cs.sunysb.edu>
Tue, 6 Sep 2011 01:20:35 +0000 (21:20 -0400)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 6 Sep 2011 01:20:35 +0000 (21:20 -0400)
commit72a3db584c17c4b83664fd4b8dd73e3cb0d4793c
treee156f1493a8a660ee93b247687f3dd4ad6a1adee
parentf6219f3bfdadd03a79288ebfe94f4ed93e8e3ed1
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