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This allows to schedule DB locks quickly without having to scan through
the pending lock requests.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
The number of pending locks displayed in ctdb statistics are stored in
ctdb_statistics structure and not ctdb_context.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This allows to change the maximum number of lock processes that can
be active.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This avoids extra work in case lock request allocation fails.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This prevents searching through active lock requests for every pending
lock request to check if the pending lock request can be scheduled or not.
The locks are scheduled in strict first-in-first-out order.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Store only a single request instead of storing a queue in lock context.
Lock request structure does not need to be a linked list any more.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This was a bad idea and caused out of order scheduling of lock requests.
The logic to append lock requests to existing lock context is already
commented. Remove the commented code and there is no need to check if
lock_ctx is NULL, since we are always creating a new one.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
block_child was used to keep track of a process which was created to debug
why a lock process has blocked. That logic was replaced to execute an
external debug script.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
With this change you mostly have to wait only for one second till the
tests get executed instead of ten seconds.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Mon Aug 4 17:58:58 CEST 2014 on sn-devel-104
nmblookup3 is just a binary mapping. We shouldn't use the mapping
anymore.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
In the future this might become a library, but even with the SUBSYSTEM
it should be clear what debug.c depends upon.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Aug 2 00:36:50 CEST 2014 on sn-devel-104
This factors out the essential code from close_low_fds for one file
descriptor: Redirect a fd to /dev/null
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10735
CVE-2014-3560: unstrcpy macro length is invalid
Autobuild-User(master): Ira Cooper <ira@samba.org>
Autobuild-Date(master): Fri Aug 1 22:10:23 CEST 2014 on sn-devel-104
When a client supports extended security but server does not,
and that client, in Flags2 field of smb header indicates that
- it supports extended security negotiation
- it does not support security signatures
- it does not require security signatures
Samba server treats a client as a Vista client.
That turns off case sensitivity and that is a problem for cifs vfs client.
So include remote cifs client along with remote samba client
to not do so otherwise.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10755
Signed-off-by: Shirish Pargaonkar <spargaonkar@suse.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Fri Aug 1 16:11:43 CEST 2014 on sn-devel-104
As found during investigation of the previous commit, when the RPC
call fails totally, we must only try and send one error reply.
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Aug 1 12:11:29 CEST 2014 on sn-devel-104
This is in dcerpc_netr_DsrUpdateReadOnlyServerDnsRecords, which has
status variables filled in by the server and placed in this in/out
array.
This showed up as a segfault in winbindd during RODC DNS update.
Andrew Bartlett
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Thu Jul 31 21:12:07 CEST 2014 on sn-devel-104
Dropping all supplementary groups is a common practice when changing
UIDs. This patch adds support for dropping all supplementary groups when
setgroups is called with size=0.
Signed-off-by: Jakub Hrozek <jakub.hrozek@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
All callers just have "%s" as format string now, so we don't need to
vasprintf anymore.
This could speed up DEBUG a bit, we don't do a separate copy and the
printf logic
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
The whole routine incrementally creates the hdr_string, do it for the
time string and the debuglevel as well
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Make the two functions that debug.c needs a subsystem of their own. The
goal is to put debug.c on a diet. Anybody who wants to use it should
not be forced to pull in half of Samba :-)
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
