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* [DLM] confirm master for recovered waiting requestsDavid Teigland2006-09-08
| | | | | | | | | | | | | | | | Fixing the following scenario: - A request is on the waiters list waiting for a reply from a remote node. - The request is the first one on the resource, so first_lkid is set. - The remote node fails causing recovery. - During recovery the requesting node becomes master. - The request is now processed locally instead of being a remote operation. - At this point we need to call confirm_master() on the resource since we're certain we're now the master node. This will clear first_lkid. - We weren't calling confirm_master(), so first_lkid was not being cleared causing subsequent requests on that resource to get stuck. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Move rwlocks in glock.c into their own arraySteven Whitehouse2006-09-08
| | | | | | | | | | | | | | | This splits the rwlocks guarding the hash chains of the glock hash table into their own array. This will reduce memory usage in some cases due to better alignment, although the real reason for doing it is to allow the two tables to be different sizes in future (i.e. the locks will be sized proportionally with the max number of CPUs and the hash chains sized proportinally with the size of physical memory) In order to allow this, the gl_bucket member of struct gfs2_glock has now become gl_hash, so we record the hash rather than a pointer to the bucket itself. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Use void * instead of typedef for locking module interfaceSteven Whitehouse2006-09-08
| | | | | | | | | | | As requested by Jan Engelhardt, this removes the typedefs in the locking module interface and replaces them with void *. Also since we are changing the interface, I've added a few consts as well. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Cc: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] vfree should be kfreeSteven Whitehouse2006-09-08
| | | | | | | This was missed in an earlier patch when changing over from vmalloc to kmalloc for the superblock. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove unused sync_lvb code from lock modulesSteven Whitehouse2006-09-07
| | | | | | | | This code is no longer used for anything and can be removed from the locking modules. The sync_lvb function is not required as this happens automatically with the current locking system. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove one typedefSteven Whitehouse2006-09-07
| | | | | | | | | | | This removes one of the typedefs from the locking interface. It is replaced by a forward declaration of the gfs2 superblock. The other two are not so easy to solve since in their case, they can refer to one of two possible structures. Cc: David Teigland <teigland@redhat.com> Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Forgot to remove unused include vmalloc.hSteven Whitehouse2006-09-07
| | | | | | Excatly as the subject line says. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Move glock hash table out of superblockSteven Whitehouse2006-09-07
| | | | | | | | | | | | | | There are several reasons why we want to do this: - Firstly its large and thus we'll scale better with multiple GFS2 fs mounted at the same time - Secondly its easier to scale its size as required (thats a plan for later patches) - Thirdly, we can use kzalloc rather than vmalloc when allocating the superblock (its now only 4888 bytes) - Fourth its all part of my plan to eventually be able to use RCU with the glock hash. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Add gfs2 superblock to glock hash functionSteven Whitehouse2006-09-07
| | | | | | | This is another patch preparing for sharing of the glock hash table between different gfs2 mounts. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Add brackets in locking/dlm/sysfs.cSteven Whitehouse2006-09-07
| | | | | | | As per Jan Engelhardt's request. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [DLM] use snprintf in sysfs showDavid Teigland2006-09-07
| | | | | | | | | Use snprintf(buf, PAGE_SIZE, ...) instead of sprintf in sysfs show methods. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] use snprintf for sysfs showDavid Teigland2006-09-07
| | | | | | | | | Use snprintf(buf, PAGE_SIZE, ...) instead of sprintf for sysfs show methods. Per instructions in Documentation/filesystems/sysfs.txt Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] More style changesJan Engelhardt2006-09-07
| | | | | | | | Remove redundant brackets Signed-off-by: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Add a comment in ops_export.cSteven Whitehouse2006-09-05
| | | | | | | | Ass a comment explaining the slightly odd construct used to pass error values back. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] More style fixesSteven Whitehouse2006-09-05
| | | | | | | | As per Jan Engelhardt's follow up emails, here are a few small fixes which were missed earlier. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove unused code from quotaSteven Whitehouse2006-09-05
| | | | | | | | As per Jan Engelhardt's request, some unused code is removed and some consts added in the quota code. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Style changes in logging codeSteven Whitehouse2006-09-05
| | | | | | | | As per Jan Engelhardt's comments, removed some unused code and removed some brackets which were not required. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Extended attribute code style changesSteven Whitehouse2006-09-05
| | | | | | | | | As per Jan Engelhardt's request and also a few of my own. It has been possible to add a few most const to the code as a result of the change in gfs2_ea_name2type. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Style changes in rgrp.cSteven Whitehouse2006-09-05
| | | | | | | Change one constant plus remove a redundant !!. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Fix end of multi-line structuresSteven Whitehouse2006-09-05
| | | | | | | | | As per Jan Engelhardt's request, I've added a ',' to the end of each of the multi-line structures which didn't already have one (most already did). Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Make headers compile on their ownSteven Whitehouse2006-09-05
| | | | | | | | | As per Jan Engelhardt's comments, this should make all the headers compile on their own by including and/or declaring structures early. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Directory code style changesSteven Whitehouse2006-09-05
| | | | | | | | | As per comments from Jan Engelhardt, remove redundant casts, redundant endian conversions, add a smattering of const and rewrite the dirent_next function in order to avoid as many casts as possible. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Some further style changesSteven Whitehouse2006-09-04
| | | | | | | | | Introduce a couple of new constants which make the NFS filehandle sizes that GFS2 uses a bit clearer. Also fix one or two minor issues as per Jan Engelhardt's sixth email. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] More code style updatesSteven Whitehouse2006-09-04
| | | | | | | | | As per Jan Engelhardt's fifth email. This has most of the changes recommended, which is the removal of casts which are not required, some indenting fixes and similar. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Style changes in ops_address.cSteven Whitehouse2006-09-04
| | | | | | | | | As per the remainder of Jan Engelhardt's fourth email comments, remove an cast thats not required. Also tidy up the "limit" code in stuck_releasepage(). Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Spelling sentinal -> sentinelSteven Whitehouse2006-09-04
| | | | | | | A spelling mistake (one of mine). Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Use const in endian conversion routinesSteven Whitehouse2006-09-04
| | | | | | | Use const in endian conversion and printing of on-disk structures. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] More style changesSteven Whitehouse2006-09-04
| | | | | | | | As per Jan Engelhardt's fourth email, this is the first part of the change set with a few minor style points. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Remove a cast, tidy gfs2_inode_attr_inSteven Whitehouse2006-09-04
| | | | | | | | The remains of the changes for Jan Engelhardt's third email. Remove a cast and tidy up gfs2_inode_attr_in. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Change all types to uX styleSteven Whitehouse2006-09-04
| | | | | | | This makes all fixed size types have consistent names. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Align all labels against LH sideSteven Whitehouse2006-09-04
| | | | | | This makes everything consistent. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Tidy up bmap/inode codeSteven Whitehouse2006-09-04
| | | | | | | | | As per Jan Engelhardt's third set of comments, this make various code style changes and moves the structures from format.h into super.c, which was the only place that format.h was actually used. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* Merge branch 'master' into gfs2Steven Whitehouse2006-09-04
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| * [PATCH] manage-jbd-its-own-slab fixBadari Pulavarty2006-09-01
| | | | | | | | | | | | | | | | | | Missed a place where I forgot to convert kfree() to kmem_cache_free() as part of jbd-manage-its-own-slab changes. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [XFS] Fix char size overflow in bmap_alloc call for unwritten extentAdrian Bunk2006-08-29
| | | | | | | | | | | | | | | | | | | | | | | | | | conversion. Since bma.conv is a char and XFS_BMAPI_CONVERT is 0x1000, bma.conv was always assigned zero. Spotted by the GNU C compiler (SVN version). SGI-PV: 947312 SGI-Modid: xfs-linux-melb:xfs-kern:26887a Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2006-08-29
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Do not send Query All EAs SMB when mount option nouser_xattr [CIFS] endian errors in lanman protocol support [CIFS] Fix oops in cifs_close due to unitialized lock sem and list in [CIFS] Fix oops when negotiating lanman and no password specified [CIFS] [CIFS] Allow cifsd to suspend if connection is lost [CIFS] Make midState usage more consistent [CIFS] spinlock protect read of last srv response time in timeout path [CIFS] Do not time out posix brl requests when using new posix setfileinfo
| | * [CIFS] Do not send Query All EAs SMB when mount option nouser_xattrSteve French2006-08-16
| | | | | | | | | | | | | | | | | | | | | | | | specified Pointed out by Bjoern Jacke Signed-off-by: Steve French <sfrench@us.ibm.com>
| | * [CIFS] endian errors in lanman protocol supportSteve French2006-08-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | le16 compared to host-endian constant u8 fed to le32_to_cpu() le16 compared to host-endian constant Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Steve French <sfrench@us.ibm.com>
| | * [CIFS] Fix oops in cifs_close due to unitialized lock sem and list inSteve French2006-08-15
| | | | | | | | | | | | | | | | | | new POSIX locking code Signed-off-by: Steve French <sfrench@us.ibm.com>
| | * [CIFS] Fix oops when negotiating lanman and no password specifiedSteve French2006-08-11
| | | | | | | | | | | | | | | | | | | | | Pointed out by Guenter Kukkukk Signed-of-by: Steve French <sfrench@us.ibm.com> (cherry picked from bbf33d512da608c7221fec42b56b9ef89c25a5ee commit)
| | * [CIFS]Jeremy Allison2006-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow Windows blocking locks to be cancelled via a CANCEL_LOCK call. TODO - restrict this to servers that support NT_STATUS codes (Win9x will probably not support this call). Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 570d4d2d895569825d0d017d4e76b51138f68864 commit)
| | * [CIFS] Allow cifsd to suspend if connection is lostSteve French2006-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make cifsd allow us to suspend if it has lost the connection with a server Ref: http://bugzilla.kernel.org/show_bug.cgi?id=6811 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 27bd6cd87b0ada66515ad49bc346d77d1e9d3e05 commit)
| | * [CIFS] Make midState usage more consistentSteve French2006-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | Although harmless, we were sometimes treating midState like it contained flags but they are exclusive states, and this makes that more clear. Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 586c057c3a68dd6ae0f3ba94fbf76798b1558074 commit)
| | * [CIFS] spinlock protect read of last srv response time in timeout pathSteve French2006-08-11
| | | | | | | | | | | | | | | | | | Signed-off-by: Jeremy Allison <jra@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from b33a3f55e54fd210fc043eafcf83728b03bc9e02 commit)
| | * [CIFS] Do not time out posix brl requests when using new posix setfileinfoSteve French2006-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | request and do not time out slow requests to a server that is still responding well to other threads Suggested by jra of Samba team Signed-off-by: Steve French <sfrench@us.ibm.com> (cherry picked from 89b57148115479eef074b8d3f86c4c86c96ac969 commit)
* | | [GFS2] Tidy up locking codeSteven Whitehouse2006-09-04
| | | | | | | | | | | | | | | | | | | | | | | | As per Jan Engelhardt's second email, this removes some unused code, and fixes up indenting in various places. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | | [GFS2] Update copyright, tidy up incore.hSteven Whitehouse2006-09-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As per comments from Jan Engelhardt <jengelh@linux01.gwdg.de> this updates the copyright message to say "version" in full rather than "v.2". Also incore.h has been updated to remove forward structure declarations which are not required. The gfs2_quota_lvb structure has now had endianess annotations added to it. Also quota.c has been updated so that we now store the lvb data locally in endian independant format to avoid needing a structure in host endianess too. As a result the endianess conversions are done as required at various points and thus the conversion routines in lvb.[ch] are no longer required. I've moved the one remaining constant in lvb.h thats used into lm.h and removed the unused lvb.[ch]. I have not changed the HIF_ constants. That is left to a later patch which I hope will unify the gh_flags and gh_iflags fields of the struct gfs2_holder. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | | [DLM] force removal of user lockspaceDavid Teigland2006-08-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | Check if the FORCEFREE flag has been provided from user space. If so, set the force option to dlm_release_lockspace() so that any remaining locks will be freed. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | | [GFS2] Fix releasepage bug (fixes direct i/o writes)Steven Whitehouse2006-08-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes three main bugs. Firstly the direct i/o get_block was returning the wrong return code in certain cases. Secondly, the GFS2's releasepage function was not dealing with cases when clean, ordered buffers were found still queued on a transaction (which can happen depending on the ordering of journal flushes). Thirdly, the journaling code itself needed altering to take account of the after effects of removing the clean ordered buffers from the transactions before a journal flush. The releasepage bug did also show up under "normal" buffered i/o as well, so its not just a fix for direct i/o. In fact its not normally used in the direct i/o path at all, except when flushing existing buffers after performing a direct i/o write, but that was the code path that led us to spot this. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* | | [GFS2] Add superblock into key for glock lookupsSteven Whitehouse2006-08-30
| | | | | | | | | | | | | | | | | | | | | | | | This adds the superblock as a key for glock lookups. Since the glocks are already stored in a per-superblock table, this has no effect at the moment. Later on this will change though. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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