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)
commitb07d92eb933eea4e0e8da1e804b5044c801ca4a5
treeb1e914a1f0ccf56c06b0f232e7cce05bb06ba804
parent893806ff35bf8971c310b71718b7ea385bb91072
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