Commit Graph

93 Commits

Author SHA1 Message Date
Dave Hansen
d8c76e6f45 [PATCH] r/o bind mount prepwork: inc_nlink() helper
This is mostly included for parity with dec_nlink(), where we will have some
more hooks.  This one should stay pretty darn straightforward for now.

Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01 00:39:30 -07:00
Theodore Ts'o
ba52de123d [PATCH] inode-diet: Eliminate i_blksize from the inode structure
This eliminates the i_blksize field from struct inode.  Filesystems that want
to provide a per-inode st_blksize can do so by providing their own getattr
routine instead of using the generic_fillattr() function.

Note that some filesystems were providing pretty much random (and incorrect)
values for i_blksize.

[bunk@stusta.de: cleanup]
[akpm@osdl.org: generic_fillattr() fix]
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27 08:26:18 -07:00
Alexey Dobriyan
1a1d92c10d [PATCH] Really ignore kmem_cache_destroy return value
* Rougly half of callers already do it by not checking return value
* Code in drivers/acpi/osl.c does the following to be sure:

	(void)kmem_cache_destroy(cache);

* Those who check it printk something, however, slab_error already printed
  the name of failed cache.
* XFS BUGs on failed kmem_cache_destroy which is not the decision
  low-level filesystem driver should make. Converted to ignore.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-27 08:26:10 -07:00
Mark Fasheh
ea5b3a187e ocfs2: Update dlmfs for new dlmlock() API
We just need to add a namelen field to the user_lock_res structure, and
update a few debug prints. Instead of updating all debug prints, I took the
opportunity to remove a few that are likely unnecessary these days.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-24 13:50:42 -07:00
Mark Fasheh
3384f3df5e ocfs2: Allow binary names in the DLM
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>
2006-09-24 13:50:42 -07:00
Mark Fasheh
e2c73698af ocfs2: Silence dlm error print
An AST can be delivered via the network after a lock has been removed, so no
need to print an error when we see that.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-24 13:50:41 -07:00
Mark Fasheh
f12033d206 ocfs2: Don't print on unknown remote blocking call
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-09-20 16:00:36 -07:00
Adrian Bunk
9acd72f424 [PATCH] fs/ocfs2/dlm/dlmmaster.c: unexport dlm_migrate_lockres
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>
2006-08-07 10:55:50 -07:00
Kurt Hackel
34e3d18037 ocfs2: fix check for locally granted state during dlmunlock()
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>
2006-08-07 10:55:22 -07:00
Kurt Hackel
a23eac99d4 ocfs2: do not modify lksb->status in the unlock ast
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>
2006-08-07 10:54:59 -07:00
Kurt Hackel
4b1af77445 ocfs2: Fix lvb corruption
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>
2006-08-07 10:54:10 -07:00
Sunil Mushran
781ee3e2b1 ocfs2: Cleanup message prints
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-29 15:56:26 -07:00
Adrian Bunk
8169cae5a1 [PATCH] fs/ocfs2/dlm/dlmrecovery.c: make dlm_lockres_master_requery() static
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>
2006-06-29 15:49:29 -07:00
Ingo Molnar
34af946a22 [PATCH] spin/rwlock init cleanups
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>
2006-06-27 17:32:39 -07:00
Adrian Bunk
3fb5a9891d [PATCH] fs/ocfs2/dlm/: cleanups
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>
2006-06-26 14:43:21 -07:00
Mark Fasheh
43dee336c9 ocfs2: fix compiler warnings in dlm_convert_lock_handler()
We need to cast to unsigned long long.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:20 -07:00
Mark Fasheh
8a9343fa24 ocfs2: dlm_print_one_mle() needs to be defined
Fixes compile breakage.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:19 -07:00
Kurt Hackel
0032abd674 ocfs2: remove whitespace in dlmunlock.c
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:19 -07:00
Kurt Hackel
3156d26701 ocfs2: move dlm work to a private work queue
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>
2006-06-26 14:43:18 -07:00
Kurt Hackel
495ac96e63 ocfs2: fix incorrect error returns
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>
2006-06-26 14:43:17 -07:00
Kurt Hackel
3b3b84a892 ocfs2: tune down some noisy messages during dlm recovery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:16 -07:00
Kurt Hackel
56a7c104bc ocfs2: display message before waiting for recovery to complete
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:15 -07:00
Kurt Hackel
44a7f1d063 ocfs2: mlog in dlm_convert_lock_handler() should be ML_ERROR
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:15 -07:00
Kurt Hackel
b220532a71 ocfs2: retry operations when a lock is marked in recovery
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>
2006-06-26 14:43:14 -07:00
Kurt Hackel
f85cd47a58 ocfs2: use cond_resched() in dlm_thread()
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>
2006-06-26 14:43:13 -07:00
Kurt Hackel
ad8100e0d2 ocfs2: use GFP_NOFS in some dlm operations
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:12 -07:00
Kurt Hackel
b7084ab538 ocfs2: wait for recovery when starting lock mastery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:12 -07:00
Kurt Hackel
c27069e6cf ocfs2: continue recovery when a dead node is encountered
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:11 -07:00
Kurt Hackel
67a187412b ocfs2: remove unneccesary spin_unlock() in dlm_remaster_locks()
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:10 -07:00
Kurt Hackel
6a41321121 ocfs2: dlm_remaster_locks() should never exit without completing
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>
2006-06-26 14:43:09 -07:00
Kurt Hackel
c8df412e1c ocfs2: special case recovery lock in dlmlock_remote()
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>
2006-06-26 14:43:08 -07:00
Kurt Hackel
36407488b1 ocfs2: pending mastery asserts and migrations should block each other
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>
2006-06-26 14:43:08 -07:00
Kurt Hackel
c87a9ae705 ocfs2: temporarily disable automatic lock migration
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>
2006-06-26 14:43:07 -07:00
Kurt Hackel
2abaf97e62 ocfs2: do not unconditionally purge the lockres in dlmlock_remote()
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>
2006-06-26 14:43:06 -07:00
Kurt Hackel
aa087b8497 ocfs2: increase backoff before waiting for recovery
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>
2006-06-26 14:43:05 -07:00
Kurt Hackel
f42a100b22 ocfs2: have dlm_pre_master_reco_lockres() ignore dead nodes
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>
2006-06-26 14:43:05 -07:00
Kurt Hackel
6ff06a9391 ocfs2: give the dlm dirty list a reference on the lockres
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:04 -07:00
Kurt Hackel
e7e69eb389 ocfs2: teach dlm_restart_lock_mastery() to wait on recovery
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>
2006-06-26 14:43:03 -07:00
Kurt Hackel
e4eb03681a ocfs2: gracefully handle stale create_lock messages.
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>
2006-06-26 14:43:02 -07:00
Kurt Hackel
ccd8b1f916 ocfs2: update lvb immediately during recovery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:02 -07:00
Kurt Hackel
588e00902b ocfs2: do not send master requests to localhost
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:43:01 -07:00
Kurt Hackel
8b2198097a ocfs2: purge lockres' sooner
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>
2006-06-26 14:43:00 -07:00
Kurt Hackel
343e26a400 ocfs2: dump mismatching migrated lvbs before BUG()
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:42:59 -07:00
Kurt Hackel
466d1a4591 ocfs2: make dlm recovery finalization 2 stage
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>
2006-06-26 14:42:58 -07:00
Kurt Hackel
69d72b066c ocfs2: dlm recovery / lockres reference count fix
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>
2006-06-26 14:42:58 -07:00
Kurt Hackel
a9ee4c8a67 ocfs2: better error handling during assert master message
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>
2006-06-26 14:42:57 -07:00
Kurt Hackel
a7f90d83ea ocfs2: dump lockres info before we BUG() on a bad reference
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:42:56 -07:00
Mark Fasheh
c0a8520c73 ocfs2: do LVB puts in place
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>
2006-06-26 14:42:55 -07:00
Kurt Hackel
aa85235427 ocfs2: mle ref count debugging
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:42:55 -07:00
Kurt Hackel
dc2ed195dd ocfs2: allow for an assert message during lock mastery
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-06-26 14:42:54 -07:00