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2006-09-20ocfs2: Remove overzealous BUG_ON()Mark Fasheh
The truncate code was never supposed to BUG() on an allocator it doesn't know about, but rather to ignore it. Right now, this does nothing, but when we change our allocation paths to use all suballocator files, this will allow current versions of the fs module to work fine. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20ocfs2: Don't print on unknown remote blocking callMark Fasheh
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20ocfs2: implement directory read-aheadMark Fasheh
Uptodate.c now knows about read-ahead buffers. Use some more aggressive logic in ocfs2_readdir(). The two functions which currently use directory read-ahead are ocfs2_find_entry() and ocfs2_readdir(). Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20ocfs2: properly update i_mtime on buffered writeMark Fasheh
We weren't always updating i_mtime on writes, so fix ocfs2_commit_write() to handle this. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Acked-by: Zach Brown <zach.brown@oracle.com>
2006-09-20ocfs2: Fix directory link count checks in ocfs2_link()Tiger Yang
Remove the redundant "i_nlink >= OCFS2_LINK_MAX" check and adds an unlinked directory check in ocfs2_link(). Signed-off-by: Tiger Yang <tiger.yang@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20ocfs2: move nlink check in ocfs2_mknod()Mark Fasheh
The dir nlink check in ocfs2_mknod() was being done outside of the cluster lock, which means we could have been checking against a stale version of the inode. Fix this by doing the check after the cluster lock instead. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20ocfs2: Fix heartbeat sector calculationMathieu Avila
This fixes things for devices which set max_sectors to 8. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20[PATCH] fs/ocfs2/ioctl.c should #include "ioctl.h"Adrian Bunk
Every file should #include the headers containing the prototypes for its global functions. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20ocfs2: add ext2 attributesHerbert Poetzl
Support immutable, and other attributes. Some renaming and other minor fixes done by myself. Signed-off-by: Herbert Poetzl <herbert@13thfloor.at> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-08-07ocfs2: allocation hintsMark Fasheh
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 Fasheh
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 Fasheh
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 Bunk
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 Hackel
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 Hackel
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 Hackel
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 Malita
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 Fasheh
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 Fasheh
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 Fasheh
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: silence ENOENT during lookup of broken linksSunil Mushran
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29ocfs2: Cleanup message printsSunil Mushran
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 Becker
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 Bunk
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 Fasheh
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 Becker
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 Hellwig
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 Juhl
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 Molnar
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 Bunk
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 Fasheh
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 Fasheh
Fixes compile breakage. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26ocfs2: remove whitespace in dlmunlock.cKurt Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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 Hackel
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>
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