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The query of the fileset quota needs to determine the file set id first.
With the currently available interface, this requires opening the file
to get a file descriptor. For files, this open can fail when a share
mode is set.
Workaround this by querying the fileset id on the directory instead.
The proper solution would be getting an interface for getting the
fileset id that does not require opening the file.
Autobuild-User(master): Christian Ambach <ambi@samba.org>
Autobuild-Date(master): Wed Aug 29 18:58:34 CEST 2012 on sn-devel-104
It was separated out because formerly our async I/O was not properly
stackable. aio_fork could for example catch aio and not get aio_return
get through to vfs_gpfs
Signed-off-by: Christian Ambach <ambi@samba.org>
The acl element is changed to be a talloc child, and is no longer one element
longer than requested by virtue of the acl[1] base pointer.
This also avoids one of the few remaining cases of over-allocation of a structure.
Andrew Bartlett
GPFS 3.5 introduces ACL enhancements which are breaking our ACL length
calculations.
Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Autobuild-User(master): Christian Ambach <ambi@samba.org>
Autobuild-Date(master): Wed Jul 11 21:28:23 CEST 2012 on sn-devel-104
gpfs_quotactl can return a non-zero softquota gracetime even when no
softquota has been set. This could lead to "disk full" being reported to
a client. The easiest fix is to check for a valid softquota before
checking the softquota gracetime.
gpfs2smb_acl can leave errno!=0 around even if it returned a correct
result!=NULL. We can only rely on errno being set if another error
condition (in this case result==NULL) indicates an error. If
result!=NULL, errno is undefined and can be anything. This leads to
SAFE_FREE(result) further down even in the success case.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Jun 22 19:27:39 CEST 2012 on sn-devel-104
With "gpfs:acl=no" you can pass the acl calls to the next SMB_VFS module.
Based on a patch from Hans-Dieter Schuster <hans-dieter.schuster@ts.fujitsu.com>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Don't use the mode for the get_acl call that surpresses
inherited deny ACE's. This is now possible since
the inherited ACE flag exists now in GPFS and Samba.
Now that we always require a 64 bit off_t, we no longer need SMB_OFF_T.
Andrew Bartlett
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Fri Apr 6 01:47:43 CEST 2012 on sn-devel-104
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
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.
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.
Setting the creation time through SetFileTime on a GPFS file system and
querying it with GetFileTime shows a mismatch.
The vfs_gpfs module first retrieves the information from the operating
system and the flag st_ex_calculated_birthtime is set to false. When
vfs_gpfs retrieves the birthtime from GPFS the flag
st_ex_calculated_birthtime has to be set to true. Otherwise the birth
time will get overwritten by a call to update_stat_ex_mtime, reporting
the wrong time to a client system.
Signed-off-by: Christian Ambach <ambi@samba.org>
In 422494a8e630e2ca89386344eaa5346388698a32, vfs_gpfs.c was forgotten
Autobuild-User: Christian Ambach <ambi@samba.org>
Autobuild-Date: Thu Dec 15 21:08:02 CET 2011 on sn-devel-104
With newer GPFS releases, libgpfs contains a function
gpfs_lib_init(). It marks the pseudo-device the lib uses
as interface to the GPFS kernel module to not be to
destroyed after each call to GPFS.
This saves us some microseconds creating and removing the device
each time we do a call to libgpfs.
Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Tue Apr 26 20:52:36 CEST 2011 on sn-devel-104
On my autocluster setup, it's not set. Maybe it should be? Otherwise
smbclient and some Windows client programs will get errors like:
# smbclient //localhost/data -Uadministrator%XXX
Domain=[VSOFS1] OS=[Unix] Server=[Samba 3.4.2-ctdb-10]
smb: \> put /etc/resolv.conf resolv.conf
NT_STATUS_ACCESS_DENIED closing remote file \resolv.conf
smb: \>
Caused by attempting to update the time on close.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Michael Adam <obnox@samba.org>
ported from the v3-4-ctdb branch to master
This used to be commit 1f138cc9f4a
Autobuild-User: Volker Lendecke <vlendec@samba.org>
Autobuild-Date: Wed Oct 13 13:34:25 UTC 2010 on sn-devel-104
