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2006-08-07ocfs2: allocation hintsMark Fasheh4-13/+145
Record the most recently used allocation group on the allocation context, so that subsequent allocations can attempt to optimize for contiguousness. Local alloc especially should benefit from this as the current chain search tends to let it spew across the disk. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-08-07ocfs2: better group descriptor consistency checksMark Fasheh1-20/+94
Try to catch corrupted group descriptors with some stronger checks placed in a couple of strategic locations. Detect a failed resizefs and refuse to allocate past what bitmap i_clusters allows. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-08-07ocfs2: limit cluster bitmap information saved at mountMark Fasheh2-3/+6
We were storing cluster count on the ocfs2_super structure, but never actually using it so remove that. Also, we don't want to populate the uptodate cache with the unlocked block read - it is technically safe as is, but we should change it for correctness. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-08-07[PATCH] fs/ocfs2/dlm/dlmmaster.c: unexport dlm_migrate_lockresAdrian Bunk1-1/+0
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>
2006-08-07ocfs2: fix check for locally granted state during dlmunlock()Kurt Hackel1-1/+1
If a process requests a lock cancel but the lock has been remotely granted already then there is no need to send the cancel message. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-08-07ocfs2: do not modify lksb->status in the unlock astKurt Hackel1-25/+12
This can race with other ast notification, which can cause bad status values to propagate into the unlock ast. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-08-07ocfs2: Fix lvb corruptionKurt Hackel1-0/+6
Properly ignore LVB flags during a PR downconvert. This avoids an illegal lvb update. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: remove redundant NULL checks in ocfs2_direct_IO_get_blocks()Florin Malita1-8/+1
Signed-off-by: Florin Malita <fmalita@gmail.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: clean up some osb fieldsMark Fasheh4-42/+4
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>
2006-06-29ocfs2: fix init of uuid_net_keyMark Fasheh1-1/+1
ocfs2_initialize_super() should be copying from the beginning of the uuid. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: silence a debug printMark Fasheh1-1/+1
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: silence ENOENT during lookup of broken linksSunil Mushran1-1/+1
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: Cleanup message printsSunil Mushran3-18/+20
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: silence -EEXIST from ocfs2_extent_map_insert/lookupJoel Becker1-7/+22
Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29[PATCH] fs/ocfs2/dlm/dlmrecovery.c: make dlm_lockres_master_requery() staticAdrian Bunk2-4/+6
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>
2006-06-29ocfs2: warn the user on a dead timeout mismatchMark Fasheh2-0/+21
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>
2006-06-29ocfs2: Compile-time disabling of ocfs2 debugging output.Joel Becker3-7/+25
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>
2006-06-28[PATCH] mark address_space_operations constChristoph Hellwig2-2/+2
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>
2006-06-27[PATCH] Remove redundant NULL checks before [kv]free - in fs/Jesper Juhl1-6/+2
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>
2006-06-27[PATCH] spin/rwlock init cleanupsIngo Molnar7-8/+8
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>
2006-06-26[PATCH] fs/ocfs2/dlm/: cleanupsAdrian Bunk5-35/+3
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>
2006-06-26ocfs2: fix compiler warnings in dlm_convert_lock_handler()Mark Fasheh1-1/+2
We need to cast to unsigned long long. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: dlm_print_one_mle() needs to be definedMark Fasheh1-6/+6
Fixes compile breakage. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: remove whitespace in dlmunlock.cKurt Hackel1-1/+1
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: move dlm work to a private work queueKurt Hackel4-3/+32
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>
2006-06-26ocfs2: fix incorrect error returnsKurt Hackel1-2/+2
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>
2006-06-26ocfs2: tune down some noisy messages during dlm recoveryKurt Hackel2-6/+7
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: display message before waiting for recovery to completeKurt Hackel1-0/+7
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: mlog in dlm_convert_lock_handler() should be ML_ERRORKurt Hackel1-1/+1
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: retry operations when a lock is marked in recoveryKurt Hackel1-0/+20
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>
2006-06-26ocfs2: use cond_resched() in dlm_thread()Kurt Hackel1-1/+1
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>
2006-06-26ocfs2: use GFP_NOFS in some dlm operationsKurt Hackel5-19/+19
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: wait for recovery when starting lock masteryKurt Hackel3-0/+34
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: continue recovery when a dead node is encounteredKurt Hackel1-0/+1
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: remove unneccesary spin_unlock() in dlm_remaster_locks()Kurt Hackel1-1/+0
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: dlm_remaster_locks() should never exit without completingKurt Hackel1-54/+62
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>
2006-06-26ocfs2: special case recovery lock in dlmlock_remote()Kurt Hackel2-10/+27
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>
2006-06-26ocfs2: pending mastery asserts and migrations should block each otherKurt Hackel1-0/+21
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>
2006-06-26ocfs2: temporarily disable automatic lock migrationKurt Hackel2-5/+23
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>
2006-06-26ocfs2: do not unconditionally purge the lockres in dlmlock_remote()Kurt Hackel1-1/+7
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>
2006-06-26ocfs2: increase backoff before waiting for recoveryKurt Hackel1-1/+1
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>
2006-06-26ocfs2: have dlm_pre_master_reco_lockres() ignore dead nodesKurt Hackel1-0/+1
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>
2006-06-26ocfs2: give the dlm dirty list a reference on the lockresKurt Hackel2-3/+17
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: teach dlm_restart_lock_mastery() to wait on recoveryKurt Hackel1-56/+44
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>
2006-06-26ocfs2: gracefully handle stale create_lock messages.Kurt Hackel1-3/+16
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>
2006-06-26ocfs2: update lvb immediately during recoveryKurt Hackel1-18/+26
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: do not send master requests to localhostKurt Hackel1-6/+8
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: purge lockres' soonerKurt Hackel1-2/+35
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>
2006-06-26ocfs2: dump mismatching migrated lvbs before BUG()Kurt Hackel1-2/+13
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: make dlm recovery finalization 2 stageKurt Hackel2-19/+99
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>
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