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Unionfs: update cache-coherency detection heuristics
authorErez Zadok <ezk@cs.sunysb.edu>
Sun, 11 Nov 2007 01:20:58 +0000 (20:20 -0500)
committerErez Zadok <ezk@cs.sunysb.edu>
Mon, 12 Jan 2009 23:20:44 +0000 (18:20 -0500)
commit410a207f41ebbc1d00eb70b70ef2679f2533b522
treee92897c1e9c28b89578b4ca85d287d91abbaf38ctree | snapshot
parentc5c6e4ec8f8c5a6cfc77f523f1082b37d15102d0commit | diff
Unionfs: update cache-coherency detection heuristics

Use a small delay to reduce the number of times unionfs has to detect
changed mtime's/ctime's, and also reduce the potential for false positives.
See Documentation/filesystems/unionfs/concepts.txt for a detailed
discussion.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Documentation/filesystems/unionfs/concepts.txt diff | blob | history
fs/unionfs/dentry.c diff | blob | history
fs/unionfs/union.h diff | blob | history
unionfs2-2.6.25.y