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path: root/fs/ocfs2/dlm/dlmmaster.c
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* ocfs2: Allow binary names in the DLMMark Fasheh2006-09-24
| | | | | | | | The OCFS2 DLM uses strlen() to determine lock name length, which excludes the possibility of putting binary values in the name string. Fix this by requiring that string length be passed in as a parameter. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] fs/ocfs2/dlm/dlmmaster.c: unexport dlm_migrate_lockresAdrian Bunk2006-08-07
| | | | | | | This patch removes the unused EXPORT_SYMBOL_GPL(dlm_migrate_lockres). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] fs/ocfs2/dlm/: cleanupsAdrian Bunk2006-06-26
| | | | | | | | | | | | 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: dlm_print_one_mle() needs to be definedMark Fasheh2006-06-26
| | | | | | Fixes compile breakage. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: move dlm work to a private work queueKurt Hackel2006-06-26
| | | | | | | | 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: tune down some noisy messages during dlm recoveryKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: use GFP_NOFS in some dlm operationsKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: wait for recovery when starting lock masteryKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: pending mastery asserts and migrations should block each otherKurt Hackel2006-06-26
| | | | | | | | | Use the existing structure for blocking migrations when ASTs are pending to achieve the same result. If we can catch the assert before it goes on the wire, just cancel it and let the migration continue. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: increase backoff before waiting for recoveryKurt Hackel2006-06-26
| | | | | | | | | When mastering non-recovery lock resources, additional time was frequently needed to allow the disk heartbeat to catch up with the network timeout. the recovery lock resource is time critical and avoids this path. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: have dlm_pre_master_reco_lockres() ignore dead nodesKurt Hackel2006-06-26
| | | | | | | | Recovery will spin in dlm_pre_master_reco_lockres if we do not ignore timed-out network responses from dead nodes. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: teach dlm_restart_lock_mastery() to wait on recoveryKurt Hackel2006-06-26
| | | | | | | | Change behavior of dlm_restart_lock_mastery() when a node goes down. Dump all responses that have been collected and start over. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: do not send master requests to localhostKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: better error handling during assert master messageKurt Hackel2006-06-26
| | | | | | | handle errors during lock assert master by either killing self or other node Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: dump lockres info before we BUG() on a bad referenceKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: mle ref count debuggingKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: allow for an assert message during lock masteryKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: take mle reference during migrationKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: properly initialize the mle structureKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: detach mle from heartbeat eventsKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: mle ref counting fixesKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: better mle debuggingKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: inline dlm_lockres_get()Mark Fasheh2006-06-26
| | | | | | It's called on every lookup so this might help performance a bit. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: calculate lockid hash values outside of the spinlockMark Fasheh2006-06-26
| | | | | | Fixes a performance bug - pointed out by Andrew. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2: dlm recovery fixesKurt Hackel2006-03-24
| | | | | | | | | | when starting lock mastery (excepting the recovery lock) wait on any nodes needing recovery. fix one instance where lock resources were left attached to the recovery list after recovery completed. ensure that the node_down code is run uniformly regardless of which node found the dead node first. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2: fix hang in dlm lock resource masteryKurt Hackel2006-03-24
| | | | | | | fixes hangs in lock mastery related to refcounting on the mle structure Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2: use hlists for lockres hashMark Fasheh2006-03-01
| | | | | | | 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: detach from heartbeat events before freeing mleKurt Hackel2006-02-16
| | | | | Signed-off-by: Kurt Hackel <Kurt.Hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] ocfs2/dlm: fixesKurt Hackel2006-02-03
| | | | | | | | | | | | | | | | | | | | | * 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] This patch contains the following cleanups:Adrian Bunk2006-01-03
| | | | | | | | | - cluster/sys.c: make needlessly global code static - dlm/: "extern" declarations for variables belong into header files (and in this case, they are already in dlmdomain.h) Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] OCFS2: The Second Oracle Cluster FilesystemKurt Hackel2006-01-03
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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