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metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Tue Jun 5 19:28:35 CEST 2012 on sn-devel-104
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This will be used to enforce a lock hierarchy between the databases. We have
seen deadlocks between locking.tdb, brlock.tdb, serverid.tdb and notify*.tdb.
These should be fixed by refusing a dbwrap_fetch_locked that does not follow a
defined lock hierarchy.
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metze
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Avoid direct use of the db_record and db_context structs.
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Autobuild-User: Michael Adam <obnox@samba.org>
Autobuild-Date: Fri Jul 29 13:34:22 CEST 2011 on sn-devel-104
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Also start new folder lib/dbwrap/ where dbwrap_open.c is stored and
make the fallbacke implementation functoins non-static and create a
dbwrap_private.h header file that contains their prototypes.
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Guenther
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TDB_CLEAR_IF_FIRST tdb's. For tdb's like gencache where we open
without CLEAR_IF_FIRST and then with CLEAR_IF_FIRST if corrupt
this is still safe to use as if opening an existing tdb the new
hash will be ignored - it's only used on creating a new tdb not
opening an old one.
Jeremy.
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Guenther
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Now that connections.tdb is not used for the broadcast messaging anymore,
connections_fetch_entry is only called for real connections.
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In a cluster, this makes a large difference: For r/w traverse, we have to do a
fetch_locked on every record which for most users of connections_forall is just
overkill.
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connections_forall is called from count_current_connections() which potentially
deletes dead records. This needs r/w access to connections.tdb.
connections_traverse says it does not provide this. Does not really matter in
the smbd case, because we have opened it before r/w, so this is "just" cleanup.
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(http://samba.org/~tridge/3_0-ctdb)
Signed-off-by: Alexander Bokovoy <ab@samba.org>(This used to be commit 0c8e23afbbb2d081fc23908bafcad04650bfacea)
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bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3cbb3e5fa6a86be60f34fe340a3ca71f)
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(This used to be commit b0132e94fc5fef936aa766fb99a306b3628e9f07)
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Jeremy.
(This used to be commit 407e6e695b8366369b7c76af1ff76869b45347b3)
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(This used to be commit 80a1f43825063bbbda896175d99700ede5a4757a)
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connections_traverse
and connections_forall. This centralizes all the routines that did individual
tdb_open("connections.tdb") and direct tdb_traverse.
Volker
(This used to be commit e43e94cda1ad8876b3cb5d1129080b57fa6ec214)
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