From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 10 Sep 2010 03:59:54 +0000 (+0930)
Subject: tdb: enforce hashing, via example hash in old rwlocks entry in header.
X-Git-Url: http://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=426c8dc977d0fb46286042f7072d86bc053836a1;hp=426c8dc977d0fb46286042f7072d86bc053836a1

tdb: enforce hashing, via example hash in old rwlocks entry in header.

This means that older code will not be able to open new TDBs with
a non-default hash, *even* if they are using the correct hash.
Non-default hashes were unusual, but now SAMBA is considering using
a non-default hash, and avoiding corruption seems more important
than backwards compatibility for an obscure case.
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