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* ocfs2_dlm: fix cluster-wide refcounting of lock resourcesKurt Hackel2007-02-071-30/+87
| | | | | | | | | | | This was previously broken and migration of some locks had to be temporarily disabled. We use a new (and backward-incompatible) set of network messages to account for all references to a lock resources held across the cluster. once these are all freed, the master node may then free the lock resource memory once its local references are dropped. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] Fix numerous kcalloc() calls, convert to kzalloc()Robert P. J. Day2006-12-131-2/+2
| | | | | | | | | | | | | | | | | | | All kcalloc() calls of the form "kcalloc(1,...)" are converted to the equivalent kzalloc() calls, and a few kcalloc() calls with the incorrect ordering of the first two arguments are fixed. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Adam Belay <ambx1@neo.rr.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Greg KH <greg@kroah.com> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'master' of ↵David Howells2006-12-051-1/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/ata/libata-scsi.c include/linux/libata.h Futher merge of Linus's head and compilation fixups. Signed-Off-By: David Howells <dhowells@redhat.com>
| * ocfs2: fix format warnings in dlm_alloc_pagevec()Mark Fasheh2006-12-011-1/+2
| | | | | | | | Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* | WorkStruct: make allyesconfigDavid Howells2006-11-221-1/+1
|/ | | | | | Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
* ocfs2: Cleanup message printsSunil Mushran2006-06-291-3/+6
| | | | | Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] spin/rwlock init cleanupsIngo Molnar2006-06-271-1/+1
| | | | | | | | | | | | | | | | | | | | | locking init cleanups: - convert " = SPIN_LOCK_UNLOCKED" to spin_lock_init() or DEFINE_SPINLOCK() - convert rwlocks in a similar manner this patch was generated automatically. Motivation: - cleanliness - lockdep needs control of lock initialization, which the open-coded variants do not give - it's also useful for -rt and for lock debugging in general Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs/ocfs2/dlm/: cleanupsAdrian Bunk2006-06-261-1/+0
| | | | | | | | | | | | This patch #if 0's the no longer used dlm_dump_lock_resources(). Since this makes dlmdebug.h empty, this patch also removes this header. Additionally, the needlessly global dlm_is_node_recovered() is made static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: move dlm work to a private work queueKurt Hackel2006-06-261-0/+19
| | | | | | | | The work that is done can block for long periods of time and so is not appropriate for keventd. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: silence a compile warning in dlm_alloc_pagevec()Mark Fasheh2006-06-261-2/+2
| | | | | | Reported by Andrew Morton. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2: Alloc at least a page for the DLM hashJoel Becker2006-06-261-0/+3
| | | | | | | | | The OCFS2 DLM allocates a number of pages for a hash to lookup locks. There was a bug where a PAGE_SIZE bigger than the hash size (eg, 64K pages) would result in zero pages allocated. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: allocate lockres hash pages in an arrayDaniel Phillips2006-06-261-8/+33
| | | | | | | | This allows us to have a hash table greater than a single page which greatly improves dlm performance on some tests. Signed-off-by: Daniel Phillips <phillips@google.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] Clean up ocfs2 hash probe and make it fasterDaniel Phillips2006-06-261-15/+14
| | | | | Signed-Off-By: Daniel Phillips <phillips@google.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: calculate lockid hash values outside of the spinlockMark Fasheh2006-06-261-7/+5
| | | | | | Fixes a performance bug - pointed out by Andrew. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2: use hlists for lockres hashMark Fasheh2006-03-011-20/+19
| | | | | | | Switch from list_head to hlist_head. Make the size of the hash dependent upon the allocated area, rather than a constant. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2/dlm: fixesKurt Hackel2006-02-031-1/+17
| | | | | | | | | | | | | | | | | | | | | * fix a hang which can occur during shutdown migration * do not allow nodes to join during recovery * when restarting lock mastery, do not ignore nodes which come up * more than one node could become recovery master, fix this * sleep to allow some time for heartbeat state to catch up to network * extra debug info for bad recovery state problems * make DLM_RECO_NODE_DATA_DONE a valid state for non-master recovery nodes * prune all locks from dead nodes on $RECOVERY lock resources * do NOT automatically add new nodes to mle nodemaps until they have properly joined the domain * make sure dlm_pick_recovery_master only exits when all nodes have synced * properly handle dlmunlock errors in dlm_pick_recovery_master * do not propagate network errors in dlm_send_begin_reco_message * dead nodes were not being put in the recovery map sometimes, fix this * dlmunlock was failing to clear the unlock actions on DLM_DENIED Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] OCFS2: The Second Oracle Cluster FilesystemKurt Hackel2006-01-031-0/+1469
A distributed lock manager built with the cluster file system use case in mind. The OCFS2 dlm exposes a VMS style API, though things have been simplified internally. The only lock levels implemented currently are NLMODE, PRMODE and EXMODE. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
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