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Unionfs: don't create whiteouts on rightmost branch
authorErez Zadok <ezk@cs.sunysb.edu>
Sun, 25 Nov 2007 20:48:40 +0000 (15:48 -0500)
committerErez Zadok <ezk@cs.sunysb.edu>
Tue, 13 Jan 2009 01:43:27 +0000 (20:43 -0500)
commit4f671c19594e9fff2c33c04f3acfc0e3b804f969
tree96cc273906ab0055276b21d828736ed0ab36f193tree | snapshot
parent2489296d4ad48baf3b50a5fbb9ce77ce2695c462commit | diff
Unionfs: don't create whiteouts on rightmost branch

If we are unlinking/rmdir'ing an object on the  rightmost branch, there's no
need to  create a whiteout there: this saves on storage space and inodes.
Also, in the (degenerate) case of having only one branch, this really saves
on whiteouts.

CC: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
fs/unionfs/unlink.c diff | blob | history
unionfs2-2.6.26.y