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It's a bit confusing to mix low-level and high-level libraries. We had
multiple libraries in one directory, and there were have circular
dependencies with other libraries outside that directory (in this case,
samba-hostconfig).
Autobuild-User: Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date: Sat Mar 10 23:13:01 CET 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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This passes down a struct loadparm_context to allow these
parameters to be checked. This may be s3 or s4 context, allowing the
#if _SAMBA_BUILD_ macro to go away safely.
Andrew Bartlett
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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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My previous patches fixed up all direct TDB callers, but there are a
few utility functions and the db_context functions which are still
using the old -1 / 0 return codes.
It's clearer to fix up all the callers of these too, so everywhere is
consistent: non-zero means an error.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Using the standard macro makes it easier to move code into common, as
TALLOC_ZERO_P isn't standard talloc.
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Guenther
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This #if _SAMBA_BUILD == 3 is very unfortunate, as it means that in
the top level build, these options are not available for these
databases. However, having two different tdb_wrap lists is a worse
fate, so this will do for now.
Andrew Bartlett
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Guenther
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Guenther
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Guenther
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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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This shrinks include/includes.h.gch by the size of 7 MB and reduces build time
as follows:
ccache build w/o patch
real 4m21.529s
ccache build with patch
real 3m6.402s
pch build w/o patch
real 4m26.318s
pch build with patch
real 3m6.932s
Guenther
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When the notify_array cannot be loaded correctly,
do not keep the half-baked parsing results in the global variable.
This can lead to segfaults next time notify_load is entered and
the seqnum has not changed. This has been seen in a case
where mixed smbd versions were running in a CTDB cluster
(versions with and w/o commit c216d1e6 that changed the
notify_entry structure).
There will be missed notifications until all smbds are at the
same software level, but this should be acceptable and is better
than crashing and interrupting client operations.
This fix cleans up the notify_array, removes the unparseable data
from the TDB and returns a fresh notify_array that can be worked
with.
The NDR_PRINT_DEBUG had to be moved to only be called when the
parsing succeeded, it was seen to cause additional segfaults.
The status variable is intentionally left to NT_STATUS_OK to not
make callers abort and report errors to the clients and make them
disconnect.
Signed-off-by: Christian Ambach <christian.ambach@de.ibm.com>
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The notify tdb files are opened at tconX time, which leads to one fcntl lock
for CLEAR_IF_FIRST detection per smbd. This opens the tdbs in the parent and
holds it, so that tdb_reopen_all correctly catches the CLEAR_IF_FIRST bit.
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We want to free the record early, not when talloc_tos() is free'ed.
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Thanks to Günther Deschner!
Volker
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This optimizes non-recursive notifys. For non-recursive notifies we can use a
per-directory file-id indexed notify record. This matters for the Windows
Explorer and IIS cases which do not use recursive notifies. In these cases, we
do not have to shuffle around the whole notify record on every change.
For the cluster case, this improves correctness of the notifies, ctdb only
distributes the tdb seqnum once a second, so we can lose notifies.
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Guenther
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lib/messages_local.c
rpc_client/ndr.c
smbd/notify_internal.c
utils/net_rpc_registry.c
metze
(This used to be commit c2645d2164c05976a98bafed980b6029baf89977)
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metze
(This used to be commit 9ba00e7c167fb871a3d9acbd9fc5ce4e935d92c2)
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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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Change notify.tdb to use dbwrap
(This used to be commit 3a089403871df88f4a3bf86c3db0d169cd4fb434)
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patch.
This changes "struct process_id" to "struct server_id", keeping both is
just too much hassle. No functional change (I hope ;-))
Volker
(This used to be commit 0ad4b1226c9d91b72136310d3bbb640d2c5d67b8)
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calls. No functional changes. Looks bigger than it is :-).
Jeremy.
(This used to be commit f6fa3080fee1b20df9f1968500840a88cf0ee592)
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and fix all compiler warnings in the users
metze
(This used to be commit 3a28443079c141a6ce8182c65b56ca210e34f37f)
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RAW-NOTIFY test
in the build farm.
Volker
(This used to be commit 3dd1bf667f42bd03a7b7159b9c2ad9ccbd269130)
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figured out
that the process holding it is not around anymore.
Tridge, please review this and possibly also include it in 4. We can discuss
the error message for "unknown target" from messaging_send, INVALID_HANDLE
seemed to be most appropriate to me.
Volker
(This used to be commit 3b3ed7429e54b571375914e473eafc9888b5b204)
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parameters
change notify = [yes]/no # do we do it at all
kernel change notify = [yes]/no # enable/disable inotify
Those who want FAM need to say
change notify = yes
vfs objects = notify_fam
Volker
(This used to be commit c3a44d8b9606fc516faceb69b8e87bfc8be312f3)
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(This used to be commit 603a96761391f36ae9a1c8777d3333ab5c02eb34)
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Volker
(This used to be commit c24854433a28cc066072a7107e29aa7fe2bec3c8)
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from Samba4,
not compiled yet. This way the modifications become visible later.
ntvfs/common/notify.c -> smbd/notify_internal.c
ntvfs/sysdep/inotify.c -> smbd/notify_inotify.c
Naturally I had to disable notify again :-)
Volker
(This used to be commit cdb7d582b7397faa5926bff5783da7fef4209948)
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