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Age	Commit message (Collapse)	Author	Files	Lines
2012-04-17	s3: Add dbwrap_try_fetch_locked	Volker Lendecke	1	-0/+3
	This is designed to spread the load on individual ctdb records to allow upper layers to do backoff mechanisms. In the ctdb case, do not get the record if a local lock is already taken. If we are not dmaster, do at most one migrate attempt. For the tdb case, this is a nonblocking fetch_locked. If someone else has the lock, give up.
2012-01-18	s3: Enforce a lock order in dbwrap	Volker Lendecke	1	-0/+1
	This makes sure we do not deadlock from doing two dbwrap_fetch_locked in two processes in different orders. At open time, we assign a strict order to all databases. lock_order 1 will be locked first, lock_order 2 second. No two records of the same lock order may be locked at the same time.
2012-01-18	s3: Add a "lock_order" argument to db_open	Volker Lendecke	1	-0/+2
	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.
2011-12-15	s3-dbwrap: Remove the "fetch" db_context callback	Volker Lendecke	1	-2/+0
	Signed-off-by: Michael Adam <obnox@samba.org>
2011-12-15	s3-dbwrap: Make dbwrap_parse_record return NTSTATUS	Volker Lendecke	1	-4/+4
	Also, the parser now returns void. The parser is called if and only if dbwrap_parse_record returns NT_STATUS_OK. Signed-off-by: Michael Adam <obnox@samba.org>
2011-12-08	s3-dbwrap: Make dbwrap_fallback_wipe private	Volker Lendecke	1	-2/+0

2011-12-08	s3-dbwrap: Make dbwrap_fallback_parse_record private	Volker Lendecke	1	-6/+0
	We have the private fallback in dbwrap_parse_record anyway
2011-12-08	s3-dbwrap: Make dbwrap_fallback_fetch private	Volker Lendecke	1	-4/+0

2011-11-29	s3:dbwrap: turn the fetch dbwrap method to NTSTATUS return code.	Michael Adam	1	-4/+4
	This implement more correct NTSTATUS handling inside the backends. This ensures that data.dptr != NULL if return code is NT_STATUS_OK.
2011-10-11	s3:dbwrap: move definitions of db_record and db_contect structs to ↵	Michael Adam	1	-0/+35
	dbwrap_private.h The API and callers now only need the forward declarations.
2011-10-11	s3:dbwrap: add function dbwrap_wipe()	Gregor Beck	1	-0/+2
	Signed-off-by: Michael Adam <obnox@samba.org>
2011-07-29	s3:dbwrap: move db_open() to a file dbwrap_open.c of its own.	Michael Adam	1	-0/+38
	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.