Crash in CLEAR_IF_FIRST handling in tdb

[Volker Lendecke]

On Tue, Oct 02, 2012 at 04:35:30PM +0200, Volker Lendecke wrote:
> Under
> http://git.samba.org/?p=vl/samba.git/.git;a=shortlog;h=refs/heads/tdb
> find a patchset that for me fixes a crash in winbind in tdb.
> For the explanation, see the second patch from the top.

Just found out -- the change to tdb_have_extra_locks might
not be necessary. In a former version I was using
tdb_lockall for this purpose, but that does not work because
it does more than its name indicates -- it also does the
transaction recovery. This causes hickups for new databases.

Question here -- My feeling is that the transaction handling
in tdb_lockall is wrongly placed. Isn't that a bit of an
layering violation?

Thanks,

Volker

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