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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, 11 Nov 2014 00:45:46 +0000 (19:45 -0500)
commit6ebb29502a0ecc005155f9c4480b1b3ccd2106ac
tree2d763c13127f36b06ebee7bf4259499b45286ad2tree | snapshot
parent4bfa0c3c76c9baa1a8409c91bc5065f4a8308a41commit | 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
unionfs2-3.10.y