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Pair-Programmed-With: Jeremy Allison <jra@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Will enable us to solve the dynamic share path problem
with leases on [homes].
We're also able to give the correct error codes when a
lease key is re-used with a different file name.
Pair-Programmed-With: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
struct byte_range_lock *rw = NULL; will never change...
commit 105724073300af03eb0835b3c93d9b2e2bfacb07 removed the
possible assigment of 'rw'.
So we can remove all code under if (rw != NULL) { ...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Oct 31 06:07:43 CET 2014 on sn-devel-104
This is now only called during brl_forall. It does not really hurt if we list
dead processes here. If the upper layers really care, they can filter it out
themselves. The real lock conflicts are not removed on-demand.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This avoids the need to do sweeping validate_lock_entries calls
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>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Aug 6 03:27:36 CEST 2014 on sn-devel-104
Pass "struct lock_struct" as a parameter. This had to be destructured
before the call and re-constructed inside brl_locktest.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
It took me really long to grasp what's going on in this routine. I hope
its logic is easier to understand now
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
lck1 and lck2 are treated differently. They should carry more descriptive
names.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Consider:
lock = start=110,size=10
pend_lock = 100, size=10
Do not overlap. However,
(lock->start <= pend_lock->start + pend_lock->size)
110 100 10
is true, so it returns true (overlap).
lock->start <= pend_lock->start + pend_lock->size
should be:
lock->start < pend_lock->start + pend_lock->size
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10685
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Wed Jul 2 10:18:17 CEST 2014 on sn-devel-104
memmove calculations are never nice, and this is going to be used in
validate_lock_entries soon :-)
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We only print valid share mode entries, stale ones don't count. In
traverse, let the callback decide about staleness.
https://bugzilla.samba.org/show_bug.cgi?id=10680
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Fix several occurences of using printf conversion to fload when
printing offset and count variables in locking debug messages and
smbstatus.
Conversion to float may lead to wrong results with very large values.
Signed-off-by: Ralph Boehme <rb@sernet.de>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
In changes to come this will be possible for an INTERNAL_OPEN_ONLY.
The protection was already in place for some code paths, this
makes the coverage compete.
Bug 10564 - Lock order violation and file lost
https://bugzilla.samba.org/show_bug.cgi?id=10564
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
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): Fri Mar 21 21:22:24 CET 2014 on sn-devel-104
This might be the reason for a few flaky builds.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Mon Mar 3 16:30:53 CET 2014 on sn-devel-104
brl_get_locks_readonly() currently returns NULL when it can't
find any byte range locks on the file. This is an error - it
should return a valid struct byte_range_lock containing num_locks == 0
so it can be cached.
Returning NULL when there are no locks causes POSIX lock
tests to fail returning NT_STATUS_NO_MEMORY (as it thinks
it can't allocate the struct) instead of NT_STATUS_OK.
Fixes bug:
Bug 10431 - STATUS_NO_MEMORY response from Query File Posix Lock request
https://bugzilla.samba.org/show_bug.cgi?id=10431
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <Volker.Lendecke@SerNet.DE>
This is in preparation to support handing flags to backends,
in particular activating read only record support for ctdb
databases. For a start, this does nothing but adding the
parameter, and all databases use DBWRAP_FLAG_NONE.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This parameter was originally set for removal in 2007 in 28210588edc39eb2b6cd237f11b488fa4d6b6985
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
