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This adds the feature of the 'hostname' algorithm,
but provides it for all algorithms, including 'next_module'.
This can be used to deliberately break lock coherency, but
keep the devid/inode pair untouched, as this will only
alter file_id.extid:
vfs objects = fileid
fileid:algorithm = next_module
fileid:nolock_all_inodes = yes
This should be preferred unless someone is already using the
'hostname' algorithm.
Note this is only for testing (or read only shares if at all...)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This adds the feature of the 'fsname_nodirs' algorithm,
but provides it for all algorithms, including 'next_module'.
This can be used to deliberately break lock coherency, but
keep the devid/inode pair untouched, e.g.
vfs objects = fileid
fileid:algorithm = next_module
fileid:nolock_all_dirs = yes
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This brings much more flexibility compared to:
- 'fsname_norootdir', 'fsname_norootdir_ext',
which only allow the nolock behavior for the share root
- 'fileid:nolockinode', which only gets a single inode number,
and ignores the devide id completely.
You can specify path names, which are relative to the shareroot
or absolute.
These names are only evaluated at SMB_VFS_CONNECT() time,
where they are converted into devide and inode pairs.
It means they are completely ignored if the path doesn't
exist yet, or is replaced by a new inode later.
This allows:
- 'fileid:algorithm = fsname_norootdir'
to be replaced by:
'fileid:algorithm = fsname' (the default)
'fileid:nolock_paths = .'
- 'fileid:algorithm = fsname_norootdir_ext'
to be replaced by:
'fileid:algorithm = fsname' (the default)
'fileid:nolock_paths = .'
'fileid:nolock_max_slots = 18446744073709551615'
And 'fileid:nolockinode = 1234567' and be replaced by
'fileid:nolock_paths = Very/Contended/Path' or
'fileid:nolock_paths = . Very/Contended/Path1 /data/conteded.dir',
if the share root and two additional inodes should be handled
by the 'nolock' behavior.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This controlls the maximum number of concurrent locking slots
on each host. It specifies the maximal number of locking.tdb
records for a single inode.
It can be used to deliberately break lock coherency not
only between cluster nodes, but also between processes on
each node.
This allows administrators to control the behavior that's
currently only available by 'fsname_norootdir_ext' to
other cases as well.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
That way the file_id.extid is consistenly filled for all cases
where we deliberately break lock coherency.
This will simplify further changes and give administrators more
flexibility.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This means we'll be able to provide the 'nolock' feature for all
directories also with other algorithms than 'fsname' in future.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
file_id.extid was filled with getpid() by 'fsname_norootdir_ext'.
However instead of forcing the existing 'hostname' algorithm for the 'nolock'
case, we'll now generate file_id.extid also based the hostname, vnn
and for 'fsname_norootdir_ext' also the pid.
This simplifies further changes and gives us the ability to generate stable
results for file_id.{devid,inode} based on the main algorithm. This is important
as we have a push_file_id_16() helper function used in places to generate a
stable identifier of the file that is also client visible and might be stored on
stable storage (acl_tdb, xattr_tdb). While the file_id.extid is only used
internally in volatile databases.
Review with: git show --patience
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This can be use to get just bypass the fileid module for the
common case. But it allows 'fileid:nolockinode' (and in future
other things) to work in order to avoid lock contention
for all 'nolock' inodes.
If we would have started from scratch all the nolock
logic would have been in its own vfs module, just
altering file_id.extid
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This way 'fsname_norootdir[_ext]' is not overwritten by
'fileid:nolockinode' and both can work independently.
It will also allow us to add more nolock inodes under
other conditions in the following changes.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This makes the code much less magic (at least for me) and
it will allow further changes to be made easier.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This test tortures contention on a single path where
all opens are shared stat opens without any oplock/lease
interaction.
It opens 'nproc' connections to the share and runs
for 'timelimit' seconds, while it opens and closes
the 'bench_path' on each connection as fast as possible.
The number of concurrent connections can be specified
with:
--option="torture:nprocs=256"
while the default is 4.
The runtime can be specified by
--option='torture:timelimit=30'
the default being 10.
By default the test operates on the share root directory, but
the path can be changed with:
--option='torture:bench_path=Apps\1\2\3\4\5\6\7\8\9\10'
pointing to an existing file or directory.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We should have a toplevel 'smb2.bench' suite for all benchmark tests.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
dn is always returned as NULL on error in ads_build_path(),
but coverity can't see that. Easy change to quieten it.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
Autobuild-User(master): Noel Power <npower@samba.org>
Autobuild-Date(master): Mon Jul 4 16:42:28 UTC 2022 on sn-devel-184
The KRB5_KDB_FLAG_REFERRAL_OK is to indicate wether a realm referral is
allowed. In AD this is always allowed. Also there is no way to pass that
indication to the SamDB layer.
Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Samuel Cabrero <scabrero@samba.org>
Autobuild-Date(master): Mon Jul 4 12:22:16 UTC 2022 on sn-devel-184
We should not map any error from ctdbd_init_async_connection() to EIO.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jul 1 18:34:17 UTC 2022 on sn-devel-184
This should not happen anywhere, but it clears the expectation of the
caller and simplifies the error handling there.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The message testparm prints about weak crypto is really
misleading: "Weak crypto is allowed" is often interpreted
in a way that smb.conf settings are bad by allowing weak
crypto. While the actual meaning is about the ability to
fall back to weaker crypto for (backwards) compatibility,
and this has nothing to do with samba settings, it is the
gnutls settings. Clarify both of these, and eliminate an
if() and a local variable.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Jul 1 14:35:09 UTC 2022 on sn-devel-184
Reported by covscan.
Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Jul 1 08:12:49 UTC 2022 on sn-devel-184
With the new dcerpc architecture we need to keep printer-list.tdb
around. A spoolss dcerpc call will start rpc-spoolssd which will then
start the background queue process. However in order to enum the
printers we need have a printer-list.tdb. Depending on the number of
printers this task can take several seconds. It is unlinkly that
the printer-list will change all the time, so we might provide outdated
data till it gets refreshed, but this is better than providing no
printer list at all.
If there are a lot of printers, the idle_seconds for the rpc-spoolssd
should be increased so that the background task can finish.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15082
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Jun 30 22:08:39 UTC 2022 on sn-devel-184
We shouldn't be checking *realm != '\0' here, just
the return from malloc.
Coverity CID: 1506719.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Jun 30 16:28:30 UTC 2022 on sn-devel-184
When a node is starting, CTDB reports remote nodes as unhealthy by
default. This can be misleading.
To hide this, report an "UNKNOWN" pseudo state when a remote node is
not disconnected and the runstate is less than or equal to
"FIRST_RECOVERY".
Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These would be unintended errors. The block should be omitted to keep
the default value.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Jun 27 20:39:31 UTC 2022 on sn-devel-184
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Jun 27 16:48:32 UTC 2022 on sn-devel-184
All ADS_STRUCT members are allocated under its talloc context.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The ads_destroy() function is now static and only called from the
ADS_STRUCT destructor.
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
