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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>
Sun, 24 Nov 2013 17:22:01 +0000 (12:22 -0500)
commit34dcf4e7057be8efa7bae882980ea3f1ed4e1596
tree7831702fea9daa8f20f23eba87cb85e4ab2cbfb3tree | snapshot
parent2be8b257a7e895bc4927a874d5d681a8fb2149d1commit | 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
unionfs2-3.7.y