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* ocfs2: remove redundant NULL checks in ocfs2_direct_IO_get_blocks()Florin Malita2006-06-29
| | | | | Signed-off-by: Florin Malita <fmalita@gmail.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: clean up some osb fieldsMark Fasheh2006-06-29
| | | | | | | | Get rid of osb->uuid, osb->proc_sub_dir, and osb->osb_id. Those fields were unused, or could easily be removed. As a result, we also no longer need MAX_OSB_ID or ocfs2_globals_lock. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: fix init of uuid_net_keyMark Fasheh2006-06-29
| | | | | | ocfs2_initialize_super() should be copying from the beginning of the uuid. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: silence a debug printMark Fasheh2006-06-29
| | | | Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: silence ENOENT during lookup of broken linksSunil Mushran2006-06-29
| | | | | Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: Cleanup message printsSunil Mushran2006-06-29
| | | | | Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: silence -EEXIST from ocfs2_extent_map_insert/lookupJoel Becker2006-06-29
| | | | | Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] fs/ocfs2/dlm/dlmrecovery.c: make dlm_lockres_master_requery() staticAdrian Bunk2006-06-29
| | | | | | | dlm_lockres_master_requery() became global without any external usage. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: warn the user on a dead timeout mismatchMark Fasheh2006-06-29
| | | | | | | Print a warning to the user when a node with a different dead count joins the region. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: Compile-time disabling of ocfs2 debugging output.Joel Becker2006-06-29
| | | | | | | | Give gcc the chance to compile out the debug logging code in ocfs2. This saves some size at the expense of being able to debug the code. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* [PATCH] mark address_space_operations constChristoph Hellwig2006-06-28
| | | | | | | | | | Same as with already do with the file operations: keep them in .rodata and prevents people from doing runtime patching. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Steven French <sfrench@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Remove redundant NULL checks before [kv]free - in fs/Jesper Juhl2006-06-27
| | | | | | | | | Remove redundant NULL checks before kfree for fs/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] spin/rwlock init cleanupsIngo Molnar2006-06-27
| | | | | | | | | | | | | | | | | | | | | 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 Bunk2006-06-26
| | | | | | | | | | | | 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: fix compiler warnings in dlm_convert_lock_handler()Mark Fasheh2006-06-26
| | | | | | We need to cast to unsigned long long. 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: remove whitespace in dlmunlock.cKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> 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: fix incorrect error returnsKurt Hackel2006-06-26
| | | | | | | Use DLM_REJECTED instead of DLM_RECOVERING. 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: display message before waiting for recovery to completeKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: mlog in dlm_convert_lock_handler() should be ML_ERRORKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: retry operations when a lock is marked in recoveryKurt Hackel2006-06-26
| | | | | | | | | Before checking for a nonexistent lock, make sure the lockres is not marked RECOVERING. The caller will just retry and the state should be fixed up when recovery completes. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: use cond_resched() in dlm_thread()Kurt Hackel2006-06-26
| | | | | | | yield() does not yield. cond_resched() does. 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: continue recovery when a dead node is encounteredKurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: remove unneccesary spin_unlock() in dlm_remaster_locks()Kurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: dlm_remaster_locks() should never exit without completingKurt Hackel2006-06-26
| | | | | | | | | We cannot restart recovery. Once we begin to recover a node, keep the state of the recovery intact and follow through, regardless of any other node deaths that may occur. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: special case recovery lock in dlmlock_remote()Kurt Hackel2006-06-26
| | | | | | | | | | If the previous master of the recovery lock dies, let calc_usage take it down completely and let the caller completely redo the dlmlock() call. Otherwise, there will never be an opportunity to re-master the lockres and recovery wont be able to progress. 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: temporarily disable automatic lock migrationKurt Hackel2006-06-26
| | | | | | | | | Now we never change the owner of a lock resource until unmount or node death. This will be re-enabled once some issues in the algorithm used have been resolved. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: do not unconditionally purge the lockres in dlmlock_remote()Kurt Hackel2006-06-26
| | | | | | | | | In dlmlock_remote(), do not call purge_lockres until the lock resource actually changes. otherwise, the mastery info on the lockres will go away underneath the caller. 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: give the dlm dirty list a reference on the lockresKurt Hackel2006-06-26
| | | | | 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: gracefully handle stale create_lock messages.Kurt Hackel2006-06-26
| | | | | | | | This is an error on the sending side, so gracefully error out on the receiving end. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: update lvb immediately during recoveryKurt Hackel2006-06-26
| | | | | 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: purge lockres' soonerKurt Hackel2006-06-26
| | | | | | | Immediately purge a lockress that the local node is not the master of. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: dump mismatching migrated lvbs before BUG()Kurt Hackel2006-06-26
| | | | | Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: make dlm recovery finalization 2 stageKurt Hackel2006-06-26
| | | | | | | Makes it easier for the recovery process to deal with node death. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
* ocfs2: dlm recovery / lockres reference count fixKurt Hackel2006-06-26
| | | | | | | Take a reference on lockres structures while they are on the recovery list. 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: do LVB puts in placeMark Fasheh2006-06-26
| | | | | | | Don't wait until the AST will be fired to do the LVB copy into the lock resource. 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>
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