pandora-kernel.git
11 years agoNFS: Create an write_pageio_init() function
Bryan Schumaker [Wed, 20 Jun 2012 19:53:48 +0000 (15:53 -0400)]
NFS: Create an write_pageio_init() function

pNFS needs to select a write function based on the layout driver
currently in use, so I let each NFS version decide how to best handle
initializing writes.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Create an read_pageio_init() function
Bryan Schumaker [Wed, 20 Jun 2012 19:53:47 +0000 (15:53 -0400)]
NFS: Create an read_pageio_init() function

pNFS needs to select a read function based on the layout driver
currently in use, so I let each NFS version decide how to best handle
initializing reads.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Create an alloc_client rpc_op
Bryan Schumaker [Wed, 20 Jun 2012 19:53:46 +0000 (15:53 -0400)]
NFS: Create an alloc_client rpc_op

This gives NFS v4 a way to set up callbacks and sessions without v2 or
v3 having to do them as well.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Create a free_client rpc_op
Bryan Schumaker [Wed, 20 Jun 2012 19:53:45 +0000 (15:53 -0400)]
NFS: Create a free_client rpc_op

NFS v4 needs a way to shut down callbacks and sessions, but v2 and v3
don't.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Create a return_delegation rpc op
Bryan Schumaker [Wed, 20 Jun 2012 19:53:44 +0000 (15:53 -0400)]
NFS: Create a return_delegation rpc op

Delegations are a v4 feature, so push return_delegation out of the
generic client by creating a new rpc_op and renaming the old function to
be in the nfs v4 "namespace"

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Create a have_delegation rpc_op
Bryan Schumaker [Wed, 20 Jun 2012 19:53:43 +0000 (15:53 -0400)]
NFS: Create a have_delegation rpc_op

Delegations are a v4 feature, so push them out of the generic code.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Create a v4-specific fsync function
Bryan Schumaker [Wed, 20 Jun 2012 19:53:42 +0000 (15:53 -0400)]
NFS: Create a v4-specific fsync function

v2 and v3 don't need to worry about doing a pnfs layoutcommit.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Use nfs4_destroy_server() to clean up NFS v4
Bryan Schumaker [Wed, 20 Jun 2012 19:53:41 +0000 (15:53 -0400)]
NFS: Use nfs4_destroy_server() to clean up NFS v4

I can use this function to return delegations and unset the pnfs layout
driver rather than continuing to do these things in the generic client.
With this change, we no longer need an nfs4_kill_super().

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: set_pnfs_layoutdriver() from nfs4_proc_fsinfo()
Bryan Schumaker [Wed, 20 Jun 2012 19:53:40 +0000 (15:53 -0400)]
NFS: set_pnfs_layoutdriver() from nfs4_proc_fsinfo()

The generic client doesn't need to know about pnfs layout drivers, so
this should be done in the v4 code.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4.1 handle OPEN O_CREATE mdsthreshold
Andy Adamson [Thu, 31 May 2012 19:16:03 +0000 (15:16 -0400)]
NFSv4.1 handle OPEN O_CREATE mdsthreshold

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Simplify NFSv4.1 Kconfig
Trond Myklebust [Mon, 21 May 2012 19:30:41 +0000 (15:30 -0400)]
NFS: Simplify NFSv4.1 Kconfig

Convert the pNFS file layout to use the same system as the
object and block layout.
Remove unnecessary dependencies on NFS_FS

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4.1: Use session max response size for GETDEVICEINFO gdia_maxcount
Andy Adamson [Thu, 7 Jun 2012 03:57:13 +0000 (23:57 -0400)]
NFSv4.1: Use session max response size for GETDEVICEINFO gdia_maxcount

We prepare for the largest possible GETDEVICEINFO response, which
can not be greater than the negotiated session maximum response size.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Cleanup - only store the write verifier in struct nfs_page
Trond Myklebust [Fri, 8 Jun 2012 15:56:09 +0000 (11:56 -0400)]
NFS: Cleanup - only store the write verifier in struct nfs_page

The 'committed' field is not needed once we have put the struct nfs_page
on the right list.

Also correct the type of the verifier: it is not an array of __be32, but
simply an 8 byte long opaque array.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4: Decode getdevicelist should use nfs4_verifier
Trond Myklebust [Fri, 8 Jun 2012 16:01:14 +0000 (12:01 -0400)]
NFSv4: Decode getdevicelist should use nfs4_verifier

The verifier returned by the GETDEVICELIST operation is not a write
verifier, but a nfs4_verifier.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Remove unused function xdr_encode_pages
Trond Myklebust [Tue, 5 Jun 2012 19:20:25 +0000 (15:20 -0400)]
SUNRPC: Remove unused function xdr_encode_pages

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4.1: Clean up nfs4_reclaim_lease
Trond Myklebust [Tue, 5 Jun 2012 15:19:47 +0000 (11:19 -0400)]
NFSv4.1: Clean up nfs4_reclaim_lease

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4.1: Cleanup - move nfs4_has_session tests out of state manager loop
Trond Myklebust [Tue, 5 Jun 2012 14:53:38 +0000 (10:53 -0400)]
NFSv4.1: Cleanup - move nfs4_has_session tests out of state manager loop

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4.1: Clean up nfs4_recall_slot()
Trond Myklebust [Tue, 5 Jun 2012 14:51:00 +0000 (10:51 -0400)]
NFSv4.1: Clean up nfs4_recall_slot()

Move the test for nfs4_has_session out of the nfs4_state_manager()

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4.1: Handle slot recalls before doing state recovery
Trond Myklebust [Tue, 5 Jun 2012 14:40:47 +0000 (10:40 -0400)]
NFSv4.1: Handle slot recalls before doing state recovery

Handling a slot recall situation should always takes precedence over
state recovery to allow the server to manage its resources.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: add more context to state manager error mesgs
Weston Andros Adamson [Tue, 29 May 2012 19:57:59 +0000 (15:57 -0400)]
NFS: add more context to state manager error mesgs

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Clean up xdr_enter_page
Trond Myklebust [Thu, 21 Jun 2012 18:53:10 +0000 (14:53 -0400)]
SUNRPC: Clean up xdr_enter_page

Use the xdr_align_pages() helper

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Clean up xdr_read_pages
Trond Myklebust [Tue, 26 Jun 2012 16:34:05 +0000 (12:34 -0400)]
SUNRPC: Clean up xdr_read_pages

Move the page alignment code into a separate helper.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Simplify the end-of-buffer calculation in xdr_read_pages
Trond Myklebust [Tue, 26 Jun 2012 17:50:43 +0000 (13:50 -0400)]
SUNRPC: Simplify the end-of-buffer calculation in xdr_read_pages

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Remove open coded stream position calculation in xdr_read_pages
Trond Myklebust [Tue, 26 Jun 2012 16:19:55 +0000 (12:19 -0400)]
SUNRPC: Remove open coded stream position calculation in xdr_read_pages

Use xdr_stream_pos() instead.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv3: Don't open code stream position calculation in decode_getacl3resok
Trond Myklebust [Thu, 21 Jun 2012 15:41:29 +0000 (11:41 -0400)]
NFSv3: Don't open code stream position calculation in decode_getacl3resok

Use the new xdr_stream_pos() helper instead.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv4: Simplify the GETATTR attribute length calculation
Trond Myklebust [Thu, 21 Jun 2012 15:18:13 +0000 (11:18 -0400)]
NFSv4: Simplify the GETATTR attribute length calculation

Use the xdr_stream position counter as the basis for the calculation
instead of assuming that we can calculate an offset to the start
of the iovec.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Add the helper xdr_stream_pos
Trond Myklebust [Thu, 21 Jun 2012 21:14:46 +0000 (17:14 -0400)]
SUNRPC: Add the helper xdr_stream_pos

Add a helper to report the current offset from the start of the
xdr_stream.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFS: Let xdr_read_pages() check for buffer overflows
Trond Myklebust [Thu, 21 Jun 2012 02:35:05 +0000 (22:35 -0400)]
NFS: Let xdr_read_pages() check for buffer overflows

xdr_read_pages will already do all of the buffer overflow checks that are
currently being open-coded in the various callers. This patch simplifies
the existing code by replacing the open coded checks.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: xdr_read_pages should return the amount of XDR encoded page data
Trond Myklebust [Thu, 21 Jun 2012 21:05:37 +0000 (17:05 -0400)]
SUNRPC: xdr_read_pages should return the amount of XDR encoded page data

Callers of xdr_read_pages() will want to know exactly how much XDR
data is encoded in the pages after the data realignment.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Don't decode beyond the end of the RPC reply message
Trond Myklebust [Wed, 20 Jun 2012 13:58:35 +0000 (09:58 -0400)]
SUNRPC: Don't decode beyond the end of the RPC reply message

Now that xdr_inline_decode() will automatically cross into the page
buffers, we need to ensure that it doesn't exceed the total reply
message length.

This patch sets up a counter that tracks the number of words
remaining in the reply message, and ensures that xdr_inline_decode,
xdr_read_pages and xdr_enter_page respect the end of message boundary.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: Clean up xdr_set_iov()
Trond Myklebust [Thu, 28 Jun 2012 21:17:48 +0000 (17:17 -0400)]
SUNRPC: Clean up xdr_set_iov()

Remove the 'p' argument, since that is only ever set by xdr_init_decode.
Add sanity checking of 'p' inside xdr_init_decode itself.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoSUNRPC: xdr_read_pages needs to clear xdr->page_ptr.
Trond Myklebust [Tue, 26 Jun 2012 19:32:40 +0000 (15:32 -0400)]
SUNRPC: xdr_read_pages needs to clear xdr->page_ptr.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoNFSv2/v3: Remove incorrect dprintks from the readdir reply code
Trond Myklebust [Wed, 20 Jun 2012 19:50:14 +0000 (15:50 -0400)]
NFSv2/v3: Remove incorrect dprintks from the readdir reply code

The actual size of the directory is unknown to the client, so it is
always requesting the maximum number it can handle. If the server
is replying with fewer entries than was requested, then that will
usually reflect the fact that we've hit the end of the directory.
Flagging it as an error is therefore incorrect.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
11 years agoLinux 3.5-rc4 v3.5-rc4
Linus Torvalds [Sun, 24 Jun 2012 19:53:04 +0000 (12:53 -0700)]
Linux 3.5-rc4

11 years agoFix typo in printed messages
Anatol Pomozov [Sat, 23 Jun 2012 22:54:34 +0000 (15:54 -0700)]
Fix typo in printed messages

Coult -> Could

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Sun, 24 Jun 2012 18:02:09 +0000 (11:02 -0700)]
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Avi Kivity:
 "Fixing a scheduling-while-atomic bug in the ppc code, and a bug which
  allowed pci bridges to be assigned to guests."

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: PPC: Book3S HV: Drop locks around call to kvmppc_pin_guest_page
  KVM: Fix PCI header check on device assignment

11 years agoMerge tag 'rdma-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Linus Torvalds [Sun, 24 Jun 2012 18:00:07 +0000 (11:00 -0700)]
Merge tag 'rdma-fixes' of git://git./linux/kernel/git/roland/infiniband

Pull InfiniBand/RDMA fixes from Roland Dreier:
 - Fixes to new ocrdma driver
 - Typo in test in CMA

* tag 'rdma-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  RDMA/cma: QP type check on received REQs should be AND not OR
  RDMA/ocrdma: Fix off by one in ocrdma_query_gid()
  RDMA/ocrdma: Fixed RQ error CQE polling
  RDMA/ocrdma: Correct queue SGE calculation
  RDMA/ocrdma: Correct reported max queue sizes
  RDMA/ocrdma: Fixed GID table for vlan and events

11 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Sun, 24 Jun 2012 17:57:59 +0000 (10:57 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Nothing very controversial in here.  Most of the fixes are for OMAP
  this time around, with some orion/kirkwood and a tegra patch mixed in."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: Orion: Fix Virtual/Physical mixup with watchdog
  ARM: Kirkwood: clk_register_gate_fn: add fn assignment
  ARM: Orion5x - Restore parts of io.h, with rework
  ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
  ARM: OMAP2+: mux: fix sparse warning
  ARM: OMAP2+: CM: increase the module disable timeout
  ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
  ARM: OMAP4: hwmod data: fix 32k sync timer idle modes
  ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
  ARM: OMAP: Fix Beagleboard DVI reset gpio
  arm/dts: OMAP2: Fix interrupt controller binding
  ARM: OMAP2: Fix tusb6010 GPIO interrupt for n8x0
  ARM: OMAP2+: Fix MUSB ifdefs for platform init code
  ARM: tegra: make tegra_cpu_reset_handler_enable() __init
  ARM: OMAP: PM: Lock clocks list while generating summary
  ARM: iconnect: Remove include of removed linux/spi/orion_spi.h

11 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Sun, 24 Jun 2012 17:57:15 +0000 (10:57 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Nothing major in here, one radeon SI fix for tiling, and one uninit
  var fix, two minor header file fixes."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: drop comment about this header being autogenerated.
  drm/edid: don't return stack garbage from supports_rb
  vga_switcheroo: Add include guard
  drm/radeon: SI tiling fixes for display

11 years agoMerge branches 'cma' and 'ocrdma' into for-linus
Roland Dreier [Sun, 24 Jun 2012 11:59:59 +0000 (04:59 -0700)]
Merge branches 'cma' and 'ocrdma' into for-linus

11 years agoARM: Orion: Fix Virtual/Physical mixup with watchdog
Andrew Lunn [Fri, 22 Jun 2012 06:54:02 +0000 (08:54 +0200)]
ARM: Orion: Fix Virtual/Physical mixup with watchdog

The orion watchdog is expecting to be passed the physcial address of
the hardware, and will ioremap() it to give a virtual address it will
use as the base address for the hardware. However, when creating the
platform resource record, a virtual address was being used.

Add the necassary #define's so we can pass the physical address as
expected.

Tested on Kirkwood and Orion5x.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: Kirkwood: clk_register_gate_fn: add fn assignment
Marc Kleine-Budde [Fri, 22 Jun 2012 06:54:01 +0000 (08:54 +0200)]
ARM: Kirkwood: clk_register_gate_fn: add fn assignment

In commit:
    98d9986 ARM: Kirkwood: Replace clock gating
the kirkwood clock gating has been reworked. A custom variant of
clock gating, that calls a custom function before gating the clock
off, has been introduced. However in clk_register_gate_fn() this
custom function "fn" is never assigned.

This patch adds the missing fn assignment.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@blackshift.org>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: Orion5x - Restore parts of io.h, with rework
Andrew Lunn [Fri, 22 Jun 2012 18:57:57 +0000 (20:57 +0200)]
ARM: Orion5x - Restore parts of io.h, with rework

Commit 4d5fc58dbe34b78157c05b319669bb3e064ba8bd (ARM: remove bunch of
now unused mach/io.h files) removed the orion5x io.h. Unfortunately,
this is still needed for the definition of IO_SPACE_LIMIT which
overrides the default 64K. All Orion based systems have 1Mbyte of IO
space per PCI[e] bus, and try to request_resource() this size. Orion5x
has two such PCI buses.

It is likely that the original, removed version, was broken. This
version might be less broken. However, it has not been tested on
hardware with a PCI card, let alone hardware with a PCI card with IO
capabilities.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git...
Olof Johansson [Sat, 23 Jun 2012 23:16:29 +0000 (16:16 -0700)]
Merge tag 'omap-fixes-a-for-3.5rc' of git://git./linux/kernel/git/pjw/omap-pending into fixes

From Paul Walmsley (as per Tony Lindgren's request):
 "Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc"

* tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
  ARM: OMAP2+: mux: fix sparse warning
  ARM: OMAP2+: CM: increase the module disable timeout
  ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
  ARM: OMAP4: hwmod data: fix 32k sync timer idle modes
  ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
  ARM: OMAP: PM: Lock clocks list while generating summary

11 years agoMerge tag 'omap-fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Sat, 23 Jun 2012 23:11:50 +0000 (16:11 -0700)]
Merge tag 'omap-fixes-for-v3.5-rc3' of git://git./linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
"Here are a few fixes with the biggest one being fix for Beagle DVI
 reset. All of them are regression fixes, except for the missing omap2
 interrupt controller binding that somehow got missed earlier."

* tag 'omap-fixes-for-v3.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: Fix Beagleboard DVI reset gpio
  arm/dts: OMAP2: Fix interrupt controller binding
  ARM: OMAP2: Fix tusb6010 GPIO interrupt for n8x0
  ARM: OMAP2+: Fix MUSB ifdefs for platform init code

11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
Linus Torvalds [Sat, 23 Jun 2012 00:47:08 +0000 (17:47 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sage/ceph-client

Pull Ceph fixes from Sage Weil:
 "There are a couple of fixes from Yan for bad pointer dereferences in
  the messenger code and when fiddling with page->private after page
  migration, a fix from Alex for a use-after-free in the osd client
  code, and a couple fixes for the message refcounting and shutdown
  ordering."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  libceph: flush msgr queue during mon_client shutdown
  rbd: Clear ceph_msg->bio_iter for retransmitted message
  libceph: use con get/put ops from osd_client
  libceph: osd_client: don't drop reply reference too early
  ceph: check PG_Private flag before accessing page->private

11 years agoMerge tag 'for-linus-Jun-21-2012' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Fri, 22 Jun 2012 18:07:55 +0000 (11:07 -0700)]
Merge tag 'for-linus-Jun-21-2012' of git://oss.sgi.com/xfs/xfs

Pull XFS fixes from Ben Myers:
 - Fix stale data exposure with unwritten extents
 - Fix a warning in xfs_alloc_vextent with ODEBUG
 - Fix overallocation and alignment of pages for xfs_bufs
 - Fix a cursor leak
 - Fix a log hang
 - Fix a crash related to xfs_sync_worker
 - Rename xfs log structure from struct log to struct xlog so we can use
   crash dumps effectively

* tag 'for-linus-Jun-21-2012' of git://oss.sgi.com/xfs/xfs:
  xfs: rename log structure to xlog
  xfs: shutdown xfs_sync_worker before the log
  xfs: Fix overallocation in xfs_buf_allocate_memory()
  xfs: fix allocbt cursor leak in xfs_alloc_ag_vextent_near
  xfs: check for stale inode before acquiring iflock on push
  xfs: fix debug_object WARN at xfs_alloc_vextent()
  xfs: xfs_vm_writepage clear iomap_valid when !buffer_uptodate (REV2)

11 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 22 Jun 2012 17:58:57 +0000 (10:58 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf updates from Ingo Molnar.

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  ftrace: Make all inline tags also include notrace
  perf: Use css_tryget() to avoid propping up css refcount
  perf tools: Fix synthesizing tracepoint names from the perf.data headers
  perf stat: Fix default output file
  perf tools: Fix endianity swapping for adds_features bitmask

11 years agodrm: drop comment about this header being autogenerated.
Dave Airlie [Fri, 22 Jun 2012 10:04:55 +0000 (11:04 +0100)]
drm: drop comment about this header being autogenerated.

This comment is well out of date.

Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agoARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
Ricardo Neri [Thu, 21 Jun 2012 08:08:53 +0000 (10:08 +0200)]
ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled

As per the OMAP4 documentation, audio over HDMI must be transmitted in
no-idle mode. This patch adds the HWMOD_SWSUP_SIDLE so that omap_hwmod uses
no-idle/force-idle settings instead of smart-idle mode.

This is required as the DSS interface clock is used as functional clock
for the HDMI wrapper audio FIFO. If no-idle mode is not used, audio could
be choppy, have bad quality or not be audible at all.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
[b-cousson@ti.com: Update the subject and align the .flags
location with the script template]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP2+: mux: fix sparse warning
Paul Walmsley [Sun, 17 Jun 2012 18:00:58 +0000 (12:00 -0600)]
ARM: OMAP2+: mux: fix sparse warning

Commit bbd707acee279a61177a604822db92e8164d00db ("ARM: omap2: use
machine specific hook for late init") resulted in the addition of this
sparse warning:

arch/arm/mach-omap2/mux.c:791:12: warning: symbol 'omap_mux_late_init' was not declared. Should it be static?

Fix by including the header file containing the prototype.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: CM: increase the module disable timeout
Paul Walmsley [Sun, 17 Jun 2012 17:57:53 +0000 (11:57 -0600)]
ARM: OMAP2+: CM: increase the module disable timeout

Increase the timeout for disabling an IP block to five milliseconds.
This is to handle the usb_host_fs idle latency, which takes almost
four milliseconds after a host controller reset.

This is the second of two patches needed to resolve the following
boot warning:

omap_hwmod: usb_host_fs: _wait_target_disable failed

Thanks to Sergei Shtylyov <sshtylyov@mvista.com> for finding
an unrelated hunk in a previous version of this patch.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: Tero Kristo <t-kristo@ti.com>
11 years agoARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
Paul Walmsley [Sun, 17 Jun 2012 17:57:52 +0000 (11:57 -0600)]
ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks

Until the OMAP4 code is converted to disable the use of the clock
framework-based clockdomain enable/disable sequence, any clock used as
a hwmod main_clk must have a clockdomain associated with it.  This
patch populates some clock structure clockdomain names to resolve the
following warnings during kernel init:

omap_hwmod: dpll_mpu_m2_ck: missing clockdomain for dpll_mpu_m2_ck.
omap_hwmod: trace_clk_div_ck: missing clockdomain for trace_clk_div_ck.
omap_hwmod: l3_div_ck: missing clockdomain for l3_div_ck.
omap_hwmod: ddrphy_ck: missing clockdomain for ddrphy_ck.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Benoît Cousson <b-cousson@ti.com>
11 years agoARM: OMAP4: hwmod data: fix 32k sync timer idle modes
Paul Walmsley [Sun, 17 Jun 2012 17:57:51 +0000 (11:57 -0600)]
ARM: OMAP4: hwmod data: fix 32k sync timer idle modes

The 32k sync timer IP block target idle modes in the hwmod data are
incorrect.  The IP block does not support any smart-idle modes.
Update the data to reflect the correct modes.

This problem was initially identified and a diff fragment posted to
the lists by Benoît Cousson <b-cousson@ti.com>.  A patch description
bug in the first version was also identified by Benoît.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
11 years agoARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
Djamil Elaidi [Sun, 17 Jun 2012 17:57:51 +0000 (11:57 -0600)]
ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby

If an IP is configured in Smart-Standby-Wakeup, when disabling wakeup feature the
IP will not go back to Smart-Standby, but will remain in Smart-Standby-Wakeup.

Signed-off-by: Djamil Elaidi <d-elaidi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoMerge tag 'nfs-for-3.5-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Linus Torvalds [Thu, 21 Jun 2012 23:05:43 +0000 (16:05 -0700)]
Merge tag 'nfs-for-3.5-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
 - Fix a write hang due to an uninitalised variable when
   !defined(CONFIG_NFS_V4)
 - Address upcall races in the legacy NFSv4 idmapper
 - Remove an O_DIRECT refcounting issue
 - Fix a pNFS refcounting bug when the file layout metadata server is
   also acting as a data server
 - Fix a pNFS module loading race.

* tag 'nfs-for-3.5-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: Force the legacy idmapper to be single threaded
  NFS: Initialise commit_info.rpc_out when !defined(CONFIG_NFS_V4)
  NFS: Fix a refcounting issue in O_DIRECT
  NFSv4.1: Fix a race in set_pnfs_layoutdriver
  NFSv4.1: Fix umount when filelayout DS is also the MDS

11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
Linus Torvalds [Thu, 21 Jun 2012 20:41:07 +0000 (13:41 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/linux-btrfs

Pull btrfs fixes from Chris Mason:
 "This is a small pull with btrfs fixes.  The biggest of the bunch is
  another fix for the new backref walking code.

  We're still hammering out one btrfs dio vs buffered reads problem, but
  that one will have to wait for the next rc."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: delay iput with async extents
  Btrfs: add a missing spin_lock
  Btrfs: don't assume to be on the correct extent in add_all_parents
  Btrfs: introduce btrfs_next_old_item

11 years agoMerge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck...
Linus Torvalds [Thu, 21 Jun 2012 20:40:40 +0000 (13:40 -0700)]
Merge tag 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Two minor fixes in emc2103 and applesmc drivers."

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (emc2103) Fix use of an uninitilized variable in error case
  hwmon: (applesmc) Limit key length in warning messages

11 years agoxfs: rename log structure to xlog
Mark Tinguely [Thu, 14 Jun 2012 14:22:15 +0000 (09:22 -0500)]
xfs: rename log structure to xlog

Rename the XFS log structure to xlog to help crash distinquish it from the
other logs in Linux.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
11 years agoxfs: shutdown xfs_sync_worker before the log
Ben Myers [Fri, 25 May 2012 20:45:36 +0000 (15:45 -0500)]
xfs: shutdown xfs_sync_worker before the log

Revert commit 1307bbd, which uses the s_umount semaphore to provide
exclusion between xfs_sync_worker and unmount, in favor of shutting down
the sync worker before freeing the log in xfs_log_unmount.  This is a
cleaner way of resolving the race between xfs_sync_worker and unmount
than using s_umount.

Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
11 years agoxfs: Fix overallocation in xfs_buf_allocate_memory()
Jan Kara [Tue, 5 Jun 2012 22:32:26 +0000 (00:32 +0200)]
xfs: Fix overallocation in xfs_buf_allocate_memory()

Commit de1cbee which removed b_file_offset in favor of b_bn introduced a bug
causing xfs_buf_allocate_memory() to overestimate the number of necessary
pages. The problem is that xfs_buf_alloc() sets b_bn to -1 and thus effectively
every buffer is straddling a page boundary which causes
xfs_buf_allocate_memory() to allocate two pages and use vmalloc() for access
which is unnecessary.

Dave says xfs_buf_alloc() doesn't need to set b_bn to -1 anymore since the
buffer is inserted into the cache only after being fully initialized now.
So just make xfs_buf_alloc() fill in proper block number from the beginning.

CC: David Chinner <dchinner@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
11 years agoxfs: fix allocbt cursor leak in xfs_alloc_ag_vextent_near
Dave Chinner [Tue, 12 Jun 2012 04:20:26 +0000 (14:20 +1000)]
xfs: fix allocbt cursor leak in xfs_alloc_ag_vextent_near

When we fail to find an matching extent near the requested extent
specification during a left-right distance search in
xfs_alloc_ag_vextent_near, we fail to free the original cursor that
we used to look up the XFS_BTNUM_CNT tree and hence leak it.

Reported-by: Chris J Arges <chris.j.arges@canonical.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
11 years agoxfs: check for stale inode before acquiring iflock on push
Brian Foster [Mon, 11 Jun 2012 14:39:43 +0000 (10:39 -0400)]
xfs: check for stale inode before acquiring iflock on push

An inode in the AIL can be flush locked and marked stale if
a cluster free transaction occurs at the right time. The
inode item is then marked as flushing, which causes xfsaild
to spin and leaves the filesystem stalled. This is
reproduced by running xfstests 273 in a loop for an
extended period of time.

Check for stale inodes before the flush lock. This marks
the inode as pinned, leads to a log flush and allows the
filesystem to proceed.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
11 years agoBtrfs: delay iput with async extents
Josef Bacik [Fri, 15 Jun 2012 18:19:48 +0000 (12:19 -0600)]
Btrfs: delay iput with async extents

There is some concern that these iput()'s could be the final iputs and could
induce lockups on people waiting on writeback.  This would happen in the
rare case that we don't create ordered extents because of an error, but it
is theoretically possible and we already have a mechanism to deal with this
so just make them delayed iputs to negate any worry.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
11 years agoBtrfs: add a missing spin_lock
Josef Bacik [Mon, 18 Jun 2012 13:23:18 +0000 (07:23 -0600)]
Btrfs: add a missing spin_lock

When fixing up the locking in the delayed ref destruction work I accidently
broke the locking myself ;(.  Add back a spin_lock that should be there and
we are now all set.  Thanks,
Btrfs: add a missing spin_lock

When fixing up the locking in the delayed ref destruction work I accidently
broke the locking myself ;(.  Add back a spin_lock that should be there and
we are now all set.  Thanks,

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
11 years agoBtrfs: don't assume to be on the correct extent in add_all_parents
Alexander Block [Tue, 19 Jun 2012 13:42:26 +0000 (07:42 -0600)]
Btrfs: don't assume to be on the correct extent in add_all_parents

add_all_parents did assume that path is already at a correct extent data
item, which may not be true in case of data extents that were partly
rewritten and splitted.

We need to check if we're on a matching extent for every item and only
for the ones after the first. The loop is changed to do this now.

This patch also fixes a bug introduced with commit 3b127fd8 "Btrfs:
remove obsolete btrfs_next_leaf call from __resolve_indirect_ref".
The removal of next_leaf did sometimes result in slot==nritems when
the above described case happens, and thus resulting in invalid values
(e.g. wanted_obejctid) in add_all_parents (leading to missed backrefs
or even crashes).

Signed-off-by: Alexander Block <ablock84@googlemail.com>
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
11 years agoBtrfs: introduce btrfs_next_old_item
Alexander Block [Tue, 19 Jun 2012 13:42:25 +0000 (07:42 -0600)]
Btrfs: introduce btrfs_next_old_item

We introduce btrfs_next_old_item that uses btrfs_next_old_leaf instead
of btrfs_next_leaf.

btrfs_next_item is also changed to simply call btrfs_next_old_item with
time_seq being 0.

Signed-off-by: Alexander Block <ablock84@googlemail.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
11 years agodrm/edid: don't return stack garbage from supports_rb
Daniel Vetter [Tue, 19 Jun 2012 09:33:06 +0000 (11:33 +0200)]
drm/edid: don't return stack garbage from supports_rb

We need to initialize this to false, because the is_rb callback only
ever sets it to true.

Noticed while reading through the code.

Cc: stable@vger.kernel.org
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agovga_switcheroo: Add include guard
Ozan Çağlayan [Thu, 14 Jun 2012 12:02:35 +0000 (15:02 +0300)]
vga_switcheroo: Add include guard

Guard vga_switcheroo.h against multiple inclusion.

Signed-off-by: Ozan Çağlayan <ozancag@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agoMerge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Linus Torvalds [Thu, 21 Jun 2012 05:12:52 +0000 (22:12 -0700)]
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma

Pull slave-dmaengine fixes from Vinod Koul:
 "A few fixes in pl330 and imx-sdma drivers."

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  DMA: PL330: Fix racy mutex unlock
  DMA: PL330: Add missing static storage class specifier
  dma: imx-sdma: buf_tail should be initialize in prepare function
  dmaengine: pl330: dont complete descriptor for cyclic dma

11 years agoMerge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
Linus Torvalds [Thu, 21 Jun 2012 05:11:04 +0000 (22:11 -0700)]
Merge branch 'for-3.5-fixes' of git://git./linux/kernel/git/tj/cgroup

Pull two cgroup fixes from Tejun Heo:
 "This containes two patches fixing a refcnt race bug during css_put().
  Decrementing and checking the value weren't atomic and two tasks could
  think that they both pushed the counter to zero."

* 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroups: Account for CSS_DEACT_BIAS in __css_put
  cgroup: make sure that decisions in __css_put are atomic

11 years agomm, mempolicy: fix mbind() to do synchronous migration
David Rientjes [Thu, 21 Jun 2012 01:00:12 +0000 (18:00 -0700)]
mm, mempolicy: fix mbind() to do synchronous migration

If the range passed to mbind() is not allocated on nodes set in the
nodemask, it migrates the pages to respect the constraint.

The final formal of migrate_pages() is a mode of type enum migrate_mode,
not a boolean.  do_mbind() is currently passing "true" which is the
equivalent of MIGRATE_SYNC_LIGHT.  This should instead be MIGRATE_SYNC
for synchronous page migration.

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomedia: pms.c needs linux/slab.h
Randy Dunlap [Thu, 21 Jun 2012 01:30:30 +0000 (18:30 -0700)]
media: pms.c needs linux/slab.h

drivers/media/video/pms.c uses kzalloc() and kfree() so it should
include <linux/slab.h> to fix build errors and a warning.

  drivers/media/video/pms.c:1047:2: error: implicit declaration of function 'kzalloc'
  drivers/media/video/pms.c:1047:6: warning: assignment makes pointer from integer without a cast
  drivers/media/video/pms.c:1116:2: error: implicit declaration of function 'kfree'

Found in mmotm but applies to mainline.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge tag 'staging-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Wed, 20 Jun 2012 22:15:03 +0000 (15:15 -0700)]
Merge tag 'staging-3.5-rc4' of git://git./linux/kernel/git/gregkh/staging

Pull staging tree fixes from Greg Kroah-Hartman:
 "Here are a number of small fixes for the drivers/staging tree, as well
  as iio and pstore drivers (which came from the staging tree in the
  3.5-rc1 merge).  All of these are tiny, but resolve issues that people
  have been reporting.

  There's also a documentation update to reflect what the iio drivers
  really are doing, which is good to get straightened out.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8712u: Add new USB IDs
  staging: gdm72xx: Release netlink socket properly
  iio: drop wrong reference from Kconfig
  pstore/inode: Make pstore_fill_super() static
  pstore/ram: Should zap persistent zone on unlink
  pstore/ram_core: Factor persistent_ram_zap() out of post_init()
  pstore/ram_core: Do not reset restored zone's position and size
  pstore/ram: Should update old dmesg buffer before reading
  staging:iio:ad7298: Fix linker error due to missing IIO kfifo buffer
  Revert "staging: usbip: bugfix for stack corruption on 64-bit architectures"
  staging: usbip: bugfix for stack corruption on 64-bit architectures
  staging/comedi: fix build for USB not enabled
  staging: omapdrm: fix crash when freeing bad fb
  staging:iio:ad7606: Re-add missing scale attribute
  iio: Fix potential use after free
  staging:iio: remove num_interrupt_lines from documentation
  iio: documentation: Add out_altvoltage and friends

11 years agoMerge tag 'driver-core-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 20 Jun 2012 22:14:28 +0000 (15:14 -0700)]
Merge tag 'driver-core-3.5-rc4' of git://git./linux/kernel/git/gregkh/driver-core

Pull driver core and printk fixes from Greg Kroah-Hartman:
 "Here are some fixes for 3.5-rc4 that resolve the kmsg problems that
  people have reported showing up after the printk and kmsg changes went
  into 3.5-rc1.  There are also a smattering of other tiny fixes for the
  extcon and hyper-v drivers that people have reported.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  extcon: max8997: Add missing kfree for info->edev in max8997_muic_remove()
  extcon: Set platform drvdata in gpio_extcon_probe() and fix irq leak
  extcon: Fix wrong index in max8997_extcon_cable[]
  kmsg - kmsg_dump() fix CONFIG_PRINTK=n compilation
  printk: return -EINVAL if the message len is bigger than the buf size
  printk: use mutex lock to stop syslog_seq from going wild
  kmsg - kmsg_dump() use iterator to receive log buffer content
  vme: change maintainer e-mail address
  Extcon: Don't try to create duplicate link names
  driver core: fixup reversed deferred probe order
  printk: Fix alignment of buf causing crash on ARM EABI
  Tools: hv: verify origin of netlink connector message

11 years agoMerge tag 'char-misc-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Wed, 20 Jun 2012 22:13:56 +0000 (15:13 -0700)]
Merge tag 'char-misc-3.5-rc4' of git://git./linux/kernel/git/gregkh/char-misc

Pull misc tree updates from Greg Kroah-Hartman:
 "Here are some drivers/misc bugfixes (really just drivers/misc/mei/
  fixes) for a few problems that have been reported.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'char-misc-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  misc: mei: set WDIOF_ALARMONLY on mei watchdog
  misc: mei: Disable MSI when IRQ registration fails
  misc: mei: fix stalled read
  misc: mei: unregister misc device in pci_remove function
  misc: mei: set IRQF_ONESHOT for msi request_threaded_irq

11 years agoMerge tag 'tty-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Wed, 20 Jun 2012 22:13:13 +0000 (15:13 -0700)]
Merge tag 'tty-3.5-rc4' of git://git./linux/kernel/git/gregkh/tty

Pull serial driver fixes from Greg Kroah-Hartman:
 "Here are 3 patches resolving a boot regression (the mop500 fix), a
  build warning fix, and a kernel-doc fix.  All tiny, but should go into
  the final 3.5 release.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial/amba-pl011: move custom pin control to driver
  serial: fix serial_txx9.c build warning/typo
  serial: fix kernel-doc warnings in 8250.c

11 years agoMerge branch 'akpm' (Andrew's patch-bomb)
Linus Torvalds [Wed, 20 Jun 2012 21:41:57 +0000 (14:41 -0700)]
Merge branch 'akpm' (Andrew's patch-bomb)

* emailed from Andrew Morton <akpm@linux-foundation.org>: (21 patches)
  mm/memblock: fix overlapping allocation when doubling reserved array
  c/r: prctl: Move PR_GET_TID_ADDRESS to a proper place
  pidns: find_new_reaper() can no longer switch to init_pid_ns.child_reaper
  pidns: guarantee that the pidns init will be the last pidns process reaped
  fault-inject: avoid call to random32() if fault injection is disabled
  Viresh has moved
  get_maintainer: Fix --help warning
  mm/memory.c: fix kernel-doc warnings
  mm: fix kernel-doc warnings
  mm: correctly synchronize rss-counters at exit/exec
  mm, thp: print useful information when mmap_sem is unlocked in zap_pmd_range
  h8300: use the declarations provided by <asm/sections.h>
  h8300: fix use of extinct _sbss and _ebss
  xtensa: use the declarations provided by <asm/sections.h>
  xtensa: use "test -e" instead of bashism "test -a"
  xtensa: replace xtensa-specific _f{data,text} by _s{data,text}
  memcg: fix use_hierarchy css_is_ancestor oops regression
  mm, oom: fix and cleanup oom score calculations
  nilfs2: ensure proper cache clearing for gc-inodes
  thp: avoid atomic64_read in pmd_read_atomic for 32bit PAE
  ...

11 years agomm/memblock: fix overlapping allocation when doubling reserved array
Greg Pearson [Wed, 20 Jun 2012 19:53:05 +0000 (12:53 -0700)]
mm/memblock: fix overlapping allocation when doubling reserved array

__alloc_memory_core_early() asks memblock for a range of memory then try
to reserve it.  If the reserved region array lacks space for the new
range, memblock_double_array() is called to allocate more space for the
array.  If memblock is used to allocate memory for the new array it can
end up using a range that overlaps with the range originally allocated in
__alloc_memory_core_early(), leading to possible data corruption.

With this patch memblock_double_array() now calls memblock_find_in_range()
with a narrowed candidate range (in cases where the reserved.regions array
is being doubled) so any memory allocated will not overlap with the
original range that was being reserved.  The range is narrowed by passing
in the starting address and size of the previously allocated range.  Then
the range above the ending address is searched and if a candidate is not
found, the range below the starting address is searched.

Signed-off-by: Greg Pearson <greg.pearson@hp.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoc/r: prctl: Move PR_GET_TID_ADDRESS to a proper place
Cyrill Gorcunov [Wed, 20 Jun 2012 19:53:04 +0000 (12:53 -0700)]
c/r: prctl: Move PR_GET_TID_ADDRESS to a proper place

During merging of PR_GET_TID_ADDRESS patch the code has been misplaced (it
happened to appear under PR_MCE_KILL) in result noone can use this option.

Fix it by moving code snippet to a proper place.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Andrey Vagin <avagin@openvz.org>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agopidns: find_new_reaper() can no longer switch to init_pid_ns.child_reaper
Oleg Nesterov [Wed, 20 Jun 2012 19:53:04 +0000 (12:53 -0700)]
pidns: find_new_reaper() can no longer switch to init_pid_ns.child_reaper

find_new_reaper() changes pid_ns->child_reaper, see add0d4df ("pid_ns:
zap_pid_ns_processes: fix the ->child_reaper changing").

The original reason has gone away after the previous patch, ->children
list must be empty after zap_pid_ns_processes().

However now we can not switch to init_pid_ns.child_reaper.
__unhash_process() relies on the "->child_reaper == parent" check, but
this check does not work if the last exiting task is also the child
reaper.

As Eric sugested, we can change __unhash_process() to use the parent's
pid_ns and remove this code.

Also, with this change we can move detach_pid(PIDTYPE_PID) back, where it
was before the previous fix.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Louis Rilling <louis.rilling@kerlabs.com>
Cc: Mike Galbraith <efault@gmx.de>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Tested-by: Andrew Wagin <avagin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agopidns: guarantee that the pidns init will be the last pidns process reaped
Eric W. Biederman [Wed, 20 Jun 2012 19:53:03 +0000 (12:53 -0700)]
pidns: guarantee that the pidns init will be the last pidns process reaped

Today we have a twofold bug.  Sometimes release_task on pid == 1 in a pid
namespace can run before other processes in a pid namespace have had
release task called.  With the result that pid_ns_release_proc can be
called before the last proc_flus_task() is done using upid->ns->proc_mnt,
resulting in the use of a stale pointer.  This same set of circumstances
can lead to waitpid(...) returning for a processes started with
clone(CLONE_NEWPID) before the every process in the pid namespace has
actually exited.

To fix this modify zap_pid_ns_processess wait until all other processes in
the pid namespace have exited, even EXIT_DEAD zombies.

The delay_group_leader and related tests ensure that the thread gruop
leader will be the last thread of a process group to be reaped, or to
become EXIT_DEAD and self reap.  With the change to zap_pid_ns_processes
we get the guarantee that pid == 1 in a pid namespace will be the last
task that release_task is called on.

With pid == 1 being the last task to pass through release_task
pid_ns_release_proc can no longer be called too early nor can wait return
before all of the EXIT_DEAD tasks in a pid namespace have exited.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Louis Rilling <louis.rilling@kerlabs.com>
Cc: Mike Galbraith <efault@gmx.de>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Tested-by: Andrew Wagin <avagin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agofault-inject: avoid call to random32() if fault injection is disabled
Anton Blanchard [Wed, 20 Jun 2012 19:53:03 +0000 (12:53 -0700)]
fault-inject: avoid call to random32() if fault injection is disabled

After enabling CONFIG_FAILSLAB I noticed random32 in profiles even if slub
fault injection wasn't enabled at runtime.

should_fail forces a comparison against random32() even if probability is
0:

        if (attr->probability <= random32() % 100)
                return false;

Add a check up front for probability == 0 and avoid all of the more
complicated checks.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoViresh has moved
Viresh Kumar [Wed, 20 Jun 2012 19:53:02 +0000 (12:53 -0700)]
Viresh has moved

viresh.kumar@st.com email-id doesn't exist anymore as I have left the
company.  Replace ST's id with viresh.linux@gmail.com.

It also updates .mailmap file to fix address for 'git shortlog'

Signed-off-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoget_maintainer: Fix --help warning
Joe Perches [Wed, 20 Jun 2012 19:53:02 +0000 (12:53 -0700)]
get_maintainer: Fix --help warning

Using --help emits a concatenation error.  Fix it.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Tested-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm/memory.c: fix kernel-doc warnings
Randy Dunlap [Wed, 20 Jun 2012 19:53:02 +0000 (12:53 -0700)]
mm/memory.c: fix kernel-doc warnings

Fix kernel-doc warnings in mm/memory.c:

  Warning(mm/memory.c:1377): No description found for parameter 'start'
  Warning(mm/memory.c:1377): Excess function parameter 'address' description in 'zap_page_range'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm: fix kernel-doc warnings
Wanpeng Li [Wed, 20 Jun 2012 19:53:01 +0000 (12:53 -0700)]
mm: fix kernel-doc warnings

Fix kernel-doc warnings such as

  Warning(../mm/page_cgroup.c:432): No description found for parameter 'id'
  Warning(../mm/page_cgroup.c:432): Excess function parameter 'mem' description in 'swap_cgroup_record'

Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm: correctly synchronize rss-counters at exit/exec
Konstantin Khlebnikov [Wed, 20 Jun 2012 19:53:01 +0000 (12:53 -0700)]
mm: correctly synchronize rss-counters at exit/exec

do_exit() and exec_mmap() call sync_mm_rss() before mm_release() does
put_user(clear_child_tid) which can update task->rss_stat and thus make
mm->rss_stat inconsistent.  This triggers the "BUG:" printk in check_mm().

Let's fix this bug in the safest way, and optimize/cleanup this later.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm, thp: print useful information when mmap_sem is unlocked in zap_pmd_range
David Rientjes [Wed, 20 Jun 2012 19:53:00 +0000 (12:53 -0700)]
mm, thp: print useful information when mmap_sem is unlocked in zap_pmd_range

Andrea asked for addr, end, vma->vm_start, and vma->vm_end to be emitted
when !rwsem_is_locked(&tlb->mm->mmap_sem).  Otherwise, debugging the
underlying issue is more difficult.

Suggested-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoh8300: use the declarations provided by <asm/sections.h>
Geert Uytterhoeven [Wed, 20 Jun 2012 19:53:00 +0000 (12:53 -0700)]
h8300: use the declarations provided by <asm/sections.h>

Cleanups:
  - Include <asm/sections.h>,
  - Remove the (different) extern declarations,
  - Remove the no longer needed address-of ('&') operators,
  - Remove the superfluous casts, use proper printk formatting instead.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoh8300: fix use of extinct _sbss and _ebss
Geert Uytterhoeven [Wed, 20 Jun 2012 19:53:00 +0000 (12:53 -0700)]
h8300: fix use of extinct _sbss and _ebss

Nowadays it should use __bss_start and __bss_stop

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoxtensa: use the declarations provided by <asm/sections.h>
Geert Uytterhoeven [Wed, 20 Jun 2012 19:52:59 +0000 (12:52 -0700)]
xtensa: use the declarations provided by <asm/sections.h>

Cleanups:
  - Include <asm/sections.h>,
  - Remove the (different) extern declarations,
  - Remove the no longer needed address-of ('&') operators,
  - Use %p to format pointer differences.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoxtensa: use "test -e" instead of bashism "test -a"
Geert Uytterhoeven [Wed, 20 Jun 2012 19:52:59 +0000 (12:52 -0700)]
xtensa: use "test -e" instead of bashism "test -a"

On Ubuntu, /bin/sh is a symlink to dash, which does not support "test -a".
This causes messages like

    test: 1: -a: unexpected operator
    test: 1: -a: unexpected operator

and link failures like

    (.init.text+0x132): undefined reference to `platform_init'

due to the appropriate platform code not being compiled.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoxtensa: replace xtensa-specific _f{data,text} by _s{data,text}
Geert Uytterhoeven [Wed, 20 Jun 2012 19:52:58 +0000 (12:52 -0700)]
xtensa: replace xtensa-specific _f{data,text} by _s{data,text}

commit a2d063ac216c161 ("extable, core_kernel_data(): Make sure all archs
define _sdata") missed xtensa.  Xtensa does have a start of data marker,
but calls it _fdata, causing

    kernel/built-in.o:(.text+0x964): undefined reference to `_sdata'

_stext was already defined, but it was duplicated by _fdata.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomemcg: fix use_hierarchy css_is_ancestor oops regression
Hugh Dickins [Wed, 20 Jun 2012 19:52:58 +0000 (12:52 -0700)]
memcg: fix use_hierarchy css_is_ancestor oops regression

If use_hierarchy is set, reclaim testing soon oopses in css_is_ancestor()
called from __mem_cgroup_same_or_subtree() called from page_referenced():
when processes are exiting, it's easy for mm_match_cgroup() to pass along
a NULL memcg coming from a NULL mm->owner.

Check for that in __mem_cgroup_same_or_subtree().  Return true or false?
False because we cannot know if it was in the hierarchy, but also false
because it's better not to count a reference from an exiting process.

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm, oom: fix and cleanup oom score calculations
David Rientjes [Wed, 20 Jun 2012 19:52:58 +0000 (12:52 -0700)]
mm, oom: fix and cleanup oom score calculations

The divide in p->signal->oom_score_adj * totalpages / 1000 within
oom_badness() was causing an overflow of the signed long data type.

This adds both the root bias and p->signal->oom_score_adj before doing the
normalization which fixes the issue and also cleans up the calculation.

Tested-by: Dave Jones <davej@redhat.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agonilfs2: ensure proper cache clearing for gc-inodes
Ryusuke Konishi [Wed, 20 Jun 2012 19:52:57 +0000 (12:52 -0700)]
nilfs2: ensure proper cache clearing for gc-inodes

A gc-inode is a pseudo inode used to buffer the blocks to be moved by
garbage collection.

Block caches of gc-inodes must be cleared every time a garbage collection
function (nilfs_clean_segments) completes.  Otherwise, stale blocks
buffered in the caches may be wrongly reused in successive calls of the GC
function.

For user files, this is not a problem because their gc-inodes are
distinguished by a checkpoint number as well as an inode number.  They
never buffer different blocks if either an inode number, a checkpoint
number, or a block offset differs.

However, gc-inodes of sufile, cpfile and DAT file can store different data
for the same block offset.  Thus, the nilfs_clean_segments function can
move incorrect block for these meta-data files if an old block is cached.
I found this is really causing meta-data corruption in nilfs.

This fixes the issue by ensuring cache clear of gc-inodes and resolves
reported GC problems including checkpoint file corruption, b-tree
corruption, and the following warning during GC.

  nilfs_palloc_freev: entry number 307234 already freed.
  ...

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Tested-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: <stable@vger.kernel.org> [2.6.37+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agothp: avoid atomic64_read in pmd_read_atomic for 32bit PAE
Andrea Arcangeli [Wed, 20 Jun 2012 19:52:57 +0000 (12:52 -0700)]
thp: avoid atomic64_read in pmd_read_atomic for 32bit PAE

In the x86 32bit PAE CONFIG_TRANSPARENT_HUGEPAGE=y case while holding the
mmap_sem for reading, cmpxchg8b cannot be used to read pmd contents under
Xen.

So instead of dealing only with "consistent" pmdvals in
pmd_none_or_trans_huge_or_clear_bad() (which would be conceptually
simpler) we let pmd_none_or_trans_huge_or_clear_bad() deal with pmdvals
where the low 32bit and high 32bit could be inconsistent (to avoid having
to use cmpxchg8b).

The only guarantee we get from pmd_read_atomic is that if the low part of
the pmd was found null, the high part will be null too (so the pmd will be
considered unstable).  And if the low part of the pmd is found "stable"
later, then it means the whole pmd was read atomically (because after a
pmd is stable, neither MADV_DONTNEED nor page faults can alter it anymore,
and we read the high part after the low part).

In the 32bit PAE x86 case, it is enough to read the low part of the pmdval
atomically to declare the pmd as "stable" and that's true for THP and no
THP, furthermore in the THP case we also have a barrier() that will
prevent any inconsistent pmdvals to be cached by a later re-read of the
*pmd.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Jonathan Nieder <jrnieder@gmail.com>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Petr Matousek <pmatouse@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Tested-by: Andrew Jones <drjones@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agomm: fix slab->page _count corruption when using slub
Pravin B Shelar [Wed, 20 Jun 2012 19:52:56 +0000 (12:52 -0700)]
mm: fix slab->page _count corruption when using slub

On arches that do not support this_cpu_cmpxchg_double() slab_lock is used
to do atomic cmpxchg() on double word which contains page->_count.  The
page count can be changed from get_page() or put_page() without taking
slab_lock.  That corrupts page counter.

Fix it by moving page->_count out of cmpxchg_double data.  So that slub
does no change it while updating slub meta-data in struct page.

[akpm@linux-foundation.org: use standard comment layout, tweak comment text]
Reported-by: Amey Bhide <abhide@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoxfs: fix debug_object WARN at xfs_alloc_vextent()
Jeff Liu [Thu, 7 Jun 2012 07:44:32 +0000 (15:44 +0800)]
xfs: fix debug_object WARN at xfs_alloc_vextent()

Fengguang reports:

[  780.529603] XFS (vdd): Ending clean mount
[  781.454590] ODEBUG: object is on stack, but not annotated
[  781.455433] ------------[ cut here ]------------
[  781.455433] WARNING: at /c/kernel-tests/sound/lib/debugobjects.c:301 __debug_object_init+0x173/0x1f1()
[  781.455433] Hardware name: Bochs
[  781.455433] Modules linked in:
[  781.455433] Pid: 26910, comm: kworker/0:2 Not tainted 3.4.0+ #51
[  781.455433] Call Trace:
[  781.455433]  [<ffffffff8106bc84>] warn_slowpath_common+0x83/0x9b
[  781.455433]  [<ffffffff8106bcb6>] warn_slowpath_null+0x1a/0x1c
[  781.455433]  [<ffffffff814919a5>] __debug_object_init+0x173/0x1f1
[  781.455433]  [<ffffffff81491c65>] debug_object_init+0x14/0x16
[  781.455433]  [<ffffffff8108842a>] __init_work+0x20/0x22
[  781.455433]  [<ffffffff8134ea56>] xfs_alloc_vextent+0x6c/0xd5

Use INIT_WORK_ONSTACK in xfs_alloc_vextent instead of INIT_WORK.

Reported-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Ben Myers <bpm@sgi.com>