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this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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fs/ocfs2/dlm/dlmrecovery.c does now use msleep(), and does therefore
need to #include <linux/delay.h> for getting the prototype of this
function.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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* 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>
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Update ocfs2.txt to add "cluster aware lockf" under missing features.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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ip_io_sem is now ip_io_mutex.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Including <asm/signal.h> results in compilation failure on ia64 due to
not including <linux/compiler.h>
Including <linux/signal.h> corrects the problem.
Please apply.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Functions called by __init funtions mustn't be __exit.
Reported by Jan-Benedict Glaw <jbglaw@lug-owl.de>.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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This is a fix to the device-mapper-log-bitset-fix-endian patch that
switched to ext2_* versions of the set and clear bit functions. The
find_next_zero_bit function also has to be the ext2 one. Otherwise the
mirror target tries to recover non-existent regions beyond the end of
device.
Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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.. just as we already have for raid5.
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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While a read-only array doesn't not really need a bitmap, we should
not remove the bitmap when switching an array to read-only because
a/ There is no code to re-add the bitmap which switching to read-write,
b/ There is insufficient locking - the bitmap could be accessed while it is
being removed.
Cc: Reuben Farrelly <reuben-lkml@reub.net>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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super_1_sync only updates fields in the superblock that might have changed.
'raid_disks' and 'size' could have changed, but this information doesn't get
updated.... until this patch.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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As 'array_size' is a 'sector_t', it may overflow inappropriately when shifted
10 bits. So We should cast it to a loff_t first.
There are two places with this problem, but the second (in update_raid_disks)
isn't needed so just remove it:
The only personality that handles ->reshape currently is raid1,
and it doesn't change the size of the array.
When added for raid5/6, reshape again won't change the size of the array,
at least not straight away.
This code might be need for reshaping 'linear' but linear->shape,
if implemented, should probably do the i_size_write itself.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
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Problem caused by the fact that the code used to only pick the low 16
bits of the bytecount. That may be how some controllers act on it (byte
count of 0 means 0x10000), but not for this particular hardware.
Signed-off-by: Jeremy Higdon <jeremy@sgi.com>
Acked-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Arjan van de Ven <arjan@infradead.org>
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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From: Adrian Bunk <bunk@stusta.de>
This patch makes some needlessly global functions static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
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Most of the 64 bit architectures will zero extend the first argument to
compat_sys_{openat,newfstatat,futimesat} which will fail if the 32 bit
syscall was passed AT_FDCWD (which is a small negative number). Declare
the first argument to be an unsigned int which will force the correct
sign extension when the internal functions are called in each case.
Also, do some small white space cleanups in fs/compat.c.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Build break: Building PCI hotplug on PowerPC results in
a build break, due to failure to export symbols.
Reported today by Dave Jones <davej@redhat.com>:
drivers/pci/hotplug/rpaphp.ko needs unknown symbol pcibios_add_pci_devices
This patch fixes same problem in drivers/pci tree
Previous patch fixes the break in the arch/powerpc tree.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Build break: Building PCI hotplug on PowerPC results in
a build break, due to failure to export symbols.
Reported today by Dave Jones <davej@redhat.com>:
drivers/pci/hotplug/rpaphp.ko needs unknown symbol pcibios_add_pci_devices
This patch fixes the break in the arch/powerpc tree.
Next patch fixes same problem in drivers/pci tree
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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RPCAUTH_CRED_LOCKED, and RPC_AUTH_PROC_CREDS are unused. Kill them.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Only do a sync_retry if the memcmp failed.
Signed-off-by: Dirk Mueller <dmueller@suse.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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This fixes a bug whereby if two processes try to look up the same auth_gss
credential, they may end up creating two creds, and triggering two upcalls
because the upcall is performed before the credential is added to the
credcache.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The function rpc_timeout_upcall_queue runs from a workqueue, and hence
sleeping is not recommended. Convert the protection of the upcall queue
from being mutex-based to being spinlock-based.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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When we look up a new cred in the auth_gss downcall so that we can stuff
the credcache, we do not want that lookup to queue up an upcall in order
to initialise it. To do an upcall here not only redundant, but since we
are already holding the inode->i_mutex, it will trigger a lock recursion.
This patch allows rpcauth cache searches to indicate that they can cope
with uninitialised credentials.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If the server returns NLM_LCK_DENIED_NOLOCKS, we currently retry the
entire NLM_CANCEL request. This may end up looping forever unless the
server changes its mind (why would it do that, though?).
Ensure that we limit the number of retries (to 3).
See bug# 5957 in bugzilla.kernel.org.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The OpenGroup docs state that the arguments "block", "exclusive" and
"alock" must exactly match the arguments for the lock call that we are
trying to cancel.
Currently, "block" is always set to false, which is wrong.
See bug# 5956 on bugzilla.kernel.org.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Remove lots of trailing whitespace. Nothing else.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- Add info that structs, unions, enums, and typedefs are supported.
- Add doc about "private:" and "public:" tags for struct fields.
- Fix some typos.
- Remove some trailing whitespace.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Update some parameter descriptions to actually match the code.
Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix the syntax of some kernel-doc comments
Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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kernel-doc errored out because it could not understand the new __copy_to_user
definition. Now we allow return types with four words.
Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Some time before 2.6.15, a third DDC channel was added to i810fb. On
systems where these ddc pins are not connected, the probe takes about 10
seconds.
Add a boot/module option for i810fb to explicitly probe for the 3rd ddc bus
if needed.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This adds support for the hp680 backlight, as found in the hp6xx series of
sh devices.
Signed-off-by: Andriy Skulysh <askulysh@image.kiev.ua>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When moving the cursor by writing to /dev/vcs*, the old cursor image is not
erased. Fix by hiding the cursor first before moving the cursor to the new
position.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When a filesystem has been converted from 3.5.x to 3.6.x, we need an extra
check during file write to make sure we are not trying to make a 3.5.x file
> 2GB.
Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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journal_transaction_should_end
reiserfs: journal_transaction_should_end should increase the count of
blocks allocated so the transaction subsystem can keep new writers from
creating a transaction that is too large.
Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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non-uptodate bh
write_ordered_buffers should handle dirty non-uptodate buffers without a
BUG()
Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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In data=journal mode, reiserfs writepage needs to make sure not to trigger
transactions while being run under PF_MEMALLOC. This patch makes sure to
redirty the page instead of forcing a transaction start in this case.
Also, calling filemap_fdata* in order to trigger io on the block device can
cause lock inversions on the page lock. Instead, do simple batching from
flush_commit_list.
Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The b_private field in buffer heads needs to be zero filled when the
buffers are allocated. Thanks to Nathan Scott for finding this. It was
causing problems on systems with both XFS and reiserfs.
Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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After a transaction has closed but before it has finished commit, there is
a window where data=ordered mode requires invalidatepage to pin pages
instead of freeing them. This patch fixes a race between the
invalidatepage checks and data=ordered writeback, and it also adds a check
to the reiserfs write_ordered_buffers routines to write any anonymous
buffers that were dirtied after its first writeback loop.
That bug works like this:
proc1: transaction closes and a new one starts
proc1: write_ordered_buffers starts processing data=ordered list
proc1: buffer A is cleaned and written
proc2: buffer A is dirtied by another process
proc2: File is truncated to zero, page A goes through invalidatepage
proc2: reiserfs_invalidatepage sees dirty buffer A with reiserfs
journal head, pins it
proc1: write_ordered_buffers frees the journal head on buffer A
At this point, buffer A stays dirty forever
Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Use the generic_permission code with a proper wrapper and callback instead
of having a local copy.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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