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Autobuild-User: Richard Sharpe <sharpe@samba.org>
Autobuild-Date: Sat Mar 24 07:09:44 CET 2012 on sn-devel-104
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Autobuild-User: Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date: Sat Mar 24 04:52:59 CET 2012 on sn-devel-104
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as in-tree modules.
Autobuild-User: Richard Sharpe <sharpe@samba.org>
Autobuild-Date: Sat Mar 24 03:18:38 CET 2012 on sn-devel-104
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This way it will also work with pipes
Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Fri Mar 23 17:31:24 CET 2012 on sn-devel-104
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Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Fri Mar 23 12:12:51 CET 2012 on sn-devel-104
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Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Fri Mar 23 04:37:36 CET 2012 on sn-devel-104
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We unmap the tdb on expand, the remap. But when we have INCOHERENT_MMAP
(ie. OpenBSD) and we're inside a transaction, doing the expand can mean
we need to read from the database to partially fill a transaction block.
This fails, because if mmap is incoherent we never allow accessing the
database via read/write.
The solution is not to unmap and remap until we've actually written the
padding at the end of the file.
Reported-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Fri Mar 23 02:53:15 CET 2012 on sn-devel-104
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Since we force mmap on, we don't intercept writes to the db, so we never
see it in an inconsistent state. #ifdef over the check that we should have
recovered it at least once.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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fde694274e1e5a11d1473695e7ec7a97f95d39e4 made tdb_mmap return an int,
but didn't put the return 0 on the "internal db" case.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Autobuild-User: Christian Ambach <ambi@samba.org>
Autobuild-Date: Thu Mar 22 20:14:34 CET 2012 on sn-devel-104
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if setting the lease in GPFS failed, there is not much sense in trying
to set a lease just locally that would not inform us of openers
on other cluster nodes
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under certain conditions START_PROFILE could have been called, but no END_PROFILE
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GPFS provides the gpfs_prealloc call. Implement the fallocate
callback with mode VFS_FALLOCATE_EXTEND_SIZE using this call.
There is no support for VFS_FALLOCATE_KEEP_SIZE, so report
this mode as not available.
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When a client requests the information about free space and space used,
adjust the reported values according to quotas in the GPFS file system:
- Retrieve quotas for the current user, current group and fileset for
the top level of the share.
- If the soft block quota grace time has expired, report disk as full.
- If a hard block quota has been exceeded, report disk as full.
- If none of the hard block quotas been exceeded, report
share size and free space according to the lowest limits found in
the quotas.
- If no applicable hard block quota has been set, report the
information from the statfs call.
This feature is disabled by default and has to be enabled by setting the
option gpfs:dfreequota.
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Add the GPFS api calls for reporting the quotas and free space:
- get_gpfs_quota for querying a quota
- get_gpfs_fset_id for mapping a path to a fileset id
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vfs modules implementing the disk_free callback need access
to the function disk_norm for normalizing the data if the parameter
small query is true.
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Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Thu Mar 22 18:40:02 CET 2012 on sn-devel-104
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Autobuild-User: Volker Lendecke <vl@samba.org>
Autobuild-Date: Thu Mar 22 13:51:50 CET 2012 on sn-devel-104
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We use tdb_mkdata() to get rid of many of them from the tests, and
explicit cast_const() in a few places.
tlist_for_each() still causes a warning, but that needs to be fixed in
CCAN.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-User: Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date: Thu Mar 22 03:29:32 CET 2012 on sn-devel-104
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These warnings clutter things up, even though they're of marginal
utility.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This handles incoherent mmaps for TDB2 native databases, by forcing
mmap on for such systems, just like we did for tdb1.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This is a direct port of the previous patch, to the TDB2 codebase.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This comment appears in two places in the code (commit
4c6a8273c6dd3e2aeda5a63c4a62aa55bc133099 from 2001):
/*
* We must ensure the file is unmapped before doing this
* to ensure consistency with systems like OpenBSD where
* writes and mmaps are not consistent.
*/
But this doesn't help, because if one process is using mmap and another
using pwrite, we get incoherent results. As demonstrated by OpenBSD's
failure on the tdb unit tests.
Rather than disable mmap on OpenBSD, we test for this issue and force mmap
to be enabled. This means that we will fail on very large TDBs on 32-bit
systems, but it's better than the horrendous performance penalty on every
OpenBSD system.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We test for other mmap features here, and both tdb1 and tdb2 want this check.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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OpenBSD doesn't idempotent-wrap sys/mman.h, so when we #define mmap to
an alternative, it fails to compile when sys/mman.h is included again.
Workaround is not to #define mmap to add arguments on Open BSD.
(Imported from CCAN commit e18e80fe175422d26efe689addc0f67bdba0e097)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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CCAN includes a little utility called "namespacize" which prepends ccan_ to
all public methods of a module, and fixes up any dependencies it finds. It's
a little primitive, but it works here.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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By using a different include order, we end up with a different version of
FILE_OFFSET_BITS (and probably other things) in parts of the test. The
different variants get linked together, and the result is weird: the stat
returns 0 size.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Autobuild-User: Michael Adam <obnox@samba.org>
Autobuild-Date: Thu Mar 22 01:56:08 CET 2012 on sn-devel-104
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The module uses "tsmsm:dmapi attribute" instead of "tsmsm:attribute name".
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Signed-off-by: Michael Adam <obnox@samba.org>
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