hash: avoid no-op rehashing
authorEric Blake <ebb9@byu.net>
Thu, 18 Jun 2009 19:18:34 +0000 (13:18 -0600)
committerEric Blake <ebb9@byu.net>
Thu, 18 Jun 2009 19:18:34 +0000 (13:18 -0600)
commit86514ea5ebf71c35726c21ae077f2a3a10e196e2
treee91e25bea3c0112a09242b46d5dbecddf25d34ba
parentaf254bfe03b99e242c8b12e8c76a76df1a1805cf
hash: avoid no-op rehashing

* lib/hash.c (hash_rehash): Recognize useless rehash attempts.

Signed-off-by: Eric Blake <ebb9@byu.net>
ChangeLog
lib/hash.c