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* git://git.infradead.org/mtd-2.6: (82 commits)
[MTD] m25p80: Add Support for ATMEL AT25DF641 64-Megabit SPI Flash
[MTD] m25p80: add FAST_READ access support to M25Pxx
[MTD] [NAND] bf5xx_nand: Avoid crash if bfin_mac is installed.
[MTD] [NAND] at91_nand: control NCE signal
[MTD] [NAND] AT91 hardware ECC compile fix for at91sam9263 / at91sam9260
[MTD] [NAND] Hardware ECC controller on at91sam9263 / at91sam9260
[JFFS2] Introduce dbg_readinode2 log level, use it to shut read_dnode() up
[JFFS2] Fix jffs2_reserve_space() when all blocks are pending erasure.
[JFFS2] Add erase_checking_list to hold blocks being marked.
UBI: add a message
[JFFS2] Return values of jffs2_block_check_erase error paths
[MTD] Clean up AR7 partition map support
[MTD] [NOR] Fix Intel CFI driver for collie flash
[JFFS2] Finally remove redundant ref->__totlen field.
[JFFS2] Honour TEST_TOTLEN macro in debugging code. ref->__totlen is going!
[JFFS2] Add paranoia debugging for superblock counts
[JFFS2] Fix free space leak with in-band cleanmarkers
[JFFS2] Self-sufficient #includes in jffs2_fs_i.h: include <linux/mutex.h>
[MTD] [NAND] Verify probe by retrying to checking the results match
[MTD] [NAND] S3C2410 Allow ECC disable to be specified by the board
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git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-fixes2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-fixes2:
sched: use alloc_bootmem() instead of alloc_bootmem_low()
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: silence defined but not used warning in non-modular builds
ieee1394: rawiso: requeue packet for transmission after skipped cycle
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
kbuild: fix depmod comment
kbuild: Add new Kbuild variable KBUILD_EXTRA_SYMBOLS
kbuild: support loading extra symbols in modpost
Add option to enable -Wframe-larger-than= on gcc 4.4
kbuild: add kconfig symbols to tags output
kbuild: fix some minor typoes
kbuild: error out on missing MODULE_LICENSE
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git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-x86-fixes4
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-x86-fixes4:
x86: harden kernel code patching
x86: clean up text_poke()
x86: fix text_poke()
x86: remove set_fixmap() warning
x86: make __set_fixmap() non-init
x86: make clear_fixmap() available on 64-bit as well
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Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: trivial@kernel.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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* 'for-linus' of git://linux-nfs.org/~bfields/linux:
nfsd: don't allow setting ctime over v4
Update to NFS/RDMA documentation
locks: don't call ->copy_lock methods on return of conflicting locks
lockd: unlock lockd locks held for a certain filesystem
lockd: unlock lockd locks associated with a given server ip
leases: remove unneeded variable from fcntl_setlease().
leases: move lock allocation earlier in generic_setlease()
leases: when unlocking, skip locking-related steps
leases: fix a return-value mixup
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This patch adds a new (Kbuild) Makefile variable KBUILD_EXTRA_SYMBOLS.
The space separated list of file names assigned to KBUILD_EXTRA_SYMBOLS
is used when calling scripts/mod/modpost during stage 2 of the Kbuild
process for non-kernel-tree modules.
Signed-off-by: Richard Hacker <lerichi@gmx.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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This patch adds a new command line option -E to modpost, expecting a symbol
file as an argument which is read prior to symbol processing. -E can be
supplied multiple times for as many files as is needed.
When building kernel modules that depend on other modules not in the main
kernel tree, modpost complains about undefined symbols:
# make -C /path/to/linux/kernel M=/path/to/my/module
...
Building modules, stage 2.
....
WARNING: "rt_copy_buf" [/home/rich/osc_etl_rtw/osc_kmod.ko] undefined!
...etc
This situation occurs when modpost processes the new module's symbols. When
it finds symbols not exported by the mainline kernel, it issues this warning.
The patch adds a new command line option -e to modpost which expects a symbol
file as an argument. The symbols listed in this file are added to modpost's
symbol tables during startup. -e can be supplied as often as required.
This patch works together with the second patch. It introduces a new make
variable, KBUILD_EXTRA_SYMBOLS, which is used when calling modpost.
Signed-off-by: Richard Hacker <lerichi@gmx.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Add option to enable -Wframe-larger-than= on gcc 4.4
gcc mainline (upcoming 4.4) added a new -Wframe-larger-than=...
option to warn at build time about too large stack frames. Add a config
option to enable this warning, since this very useful for the kernel.
I choose (somewhat arbitarily) 2048 as default warning threshold for 64bit
and 1024 as default for 32bit architectures. With some research and
fixing all the code for smaller values these defaults should be probably
lowered.
With the default allyesconfigs have some new warnings, but I think
that is all code that should be just fixed.
At some point (when gcc 4.4 is released and widely used) this should
obsolete make checkstack
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Steps to reproduce:
vi -t NETFILTER
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Adrian Bunk suggested a build time check for
missing MODULE_LICENSE annotation in modules.
The build time check is fatal as we really
want this fixed for all modules.
In-tree modules should all have been fixed up by now.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Clean up the codepath, remove alignment restrictions and do sanity
checking of the end result, to make sure we patched the right site.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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kernel_text_address returns true even for modules which is not wanted
in text_poke. Use core_kernel_text instead.
This is a regression introduced in e587cadd8f47e202a30712e2906a65a0606d5865
which caused occasionaly crashes after suspend/resume.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
CC: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Andi Kleen <andi@firstfloor.org>
CC: pageexec@freemail.hu
CC: H. Peter Anvin <hpa@zytor.com>
CC: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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set_fixmap()+clear_fixmap() is safe.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Fix a number of things which have gone somewhat out-of-date over the last
few months.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Presumably this is left over from earlier drafts of v4, which listed
TIME_METADATA as writeable. It's read-only in rfc 3530, and shouldn't
be modifiable anyway.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Update to the NFS/RDMA documentation to clarify how to configure the
exports file.
Signed-off-by: James Lentini <jlentini@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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The file_lock structure is used both as a heavy-weight representation of
an active lock, with pointers to reference-counted structures, etc., and
as a simple container for parameters that describe a file lock.
The conflicting lock returned from __posix_lock_file is an example of
the latter; so don't call the filesystem or lock manager callbacks when
copying to it. This also saves the need for an unnecessary
locks_init_lock in the nfsv4 server.
Thanks to Trond for pointing out the error.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add /proc/fs/nfsd/unlock_filesystem, which allows e.g.:
shell> echo /mnt/sfs1 > /proc/fs/nfsd/unlock_filesystem
so that a filesystem can be unmounted before allowing a peer nfsd to
take over nfs service for the filesystem.
Signed-off-by: S. Wendy Cheng <wcheng@redhat.com>
Cc: Lon Hohberger <lhh@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
fs/lockd/svcsubs.c | 66 +++++++++++++++++++++++++++++++++++++++-----
fs/nfsd/nfsctl.c | 65 +++++++++++++++++++++++++++++++++++++++++++
include/linux/lockd/lockd.h | 7 ++++
3 files changed, 131 insertions(+), 7 deletions(-)
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For high-availability NFS service, we generally need to be able to drop
file locks held on the exported filesystem before moving clients to a
new server. Currently the only way to do that is by shutting down lockd
entirely, which is often undesireable (for example, if you want to
continue exporting other filesystems).
This patch allows the administrator to release all locks held by clients
accessing the client through a given server ip address, by echoing that
address to a new file, /proc/fs/nfsd/unlock_ip, as in:
shell> echo 10.1.1.2 > /proc/fs/nfsd/unlock_ip
The expected sequence of events can be:
1. Tear down the IP address
2. Unexport the path
3. Write IP to /proc/fs/nfsd/unlock_ip to unlock files
4. Signal peer to begin take-over.
For now we only support IPv4 addresses and NFSv2/v3 (NFSv4 locks are not
affected).
Also, if unmounting the filesystem is required, we assume at step 3 that
clients using the given server ip are the only clients holding locks on
the given filesystem; otherwise, an additional patch is required to
allow revoking all locks held by lockd on a given filesystem.
Signed-off-by: S. Wendy Cheng <wcheng@redhat.com>
Cc: Lon Hohberger <lhh@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
fs/lockd/svcsubs.c | 66 +++++++++++++++++++++++++++++++++++++++-----
fs/nfsd/nfsctl.c | 65 +++++++++++++++++++++++++++++++++++++++++++
include/linux/lockd/lockd.h | 7 ++++
3 files changed, 131 insertions(+), 7 deletions(-)
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fcntl_setlease() has a struct dentry* that is used only once; this patch
removes it.
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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In generic_setlease(), the struct file_lock is allocated after tests for the
presence of conflicting readers/writers is done, despite the fact that the
allocation might block; this patch moves the allocation earlier. A subsequent
set of patches will rely on this behavior to properly serialize between a
modified __break_lease() and generic_setlease().
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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In generic_setlease(), we don't need to allocate a new struct file_lock
or check for readers or writers when called with F_UNLCK.
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Fixes a return-value mixup from 85c59580b30c82aa771aa33b37217a6b6851bc14
"locks: Fix potential OOPS in generic_setlease()", in which -ENOMEM replaced
what had been intended to stay -EAGAIN in the variable "error".
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Currently the kernel will issue the following warning:
drivers/ieee1394/raw1394.c:2938: warning: 'raw1394_id_table' defined but not used
Add #ifdef MODULE guards around the declaration.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Ditto with dv1394_id_table and video1394_id_table.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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As it seems, some host controllers have issues that can cause them to
skip cycles now and then when using large packets. I suspect that this
is due to DMA not succeeding in time. If the transmit fifo can't contain
more than one packet (big packets), the DMA should provide a new packet
each cycle (125us). I am under the impression that my current PCI
express test system can't guarantee this.
In any case, the patch tries to provide a workaround as follows:
The DMA program descriptors are modified such that when an error occurs,
the DMA engine retries the descriptor the next cycle instead of
stalling. This way no data is lost. The side effect of this is that
packets are sent with one cycle delay. This however might not be that
much of a problem for certain protocols (e.g. AM824). If they use
padding packets for e.g. rate matching they can drop one of those to
resync the streams.
The amount of skips between two userspace wakeups is counted. This
number is then propagated to userspace through the upper 16 bits of the
'dropped' parameter. This allows unmodified userspace applications due
to the following:
1) libraw simply passes this dropped parameter to the user application
2) the meaning of the dropped parameter is: if it's nonzero, something
bad has happened. The actual value of the parameter at this moment does
not have a specific meaning.
A libraw client can then retrieve the number of skipped cycles and
account for them if needed.
Signed-off-by: Pieter Palmers <pieterp@joow.be>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=4053
Singed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This driver did not control NCE signal during normal operations (only
enable NCE on probing and disable NCE on removing). This patch make
NCE signal inactive on idle state.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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There is no guarantee that there is physical ram below 4GB, and in
fact many boxes don't have exactly that.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The sam926x docs allegedly don't list an "ECC_PARITY" field, and the
header files in the upstream kernel don't have it either.
Masking with it was useless anyway, so just remove it.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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2.6.26 adds a SEQ_SKIP return value for the seq_file show() function;
update the documentation to match.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-fixes:
"make namespacecheck" fixes
x86: fix compilation error in VisWS
x86: voyager fix
x86: Drop duplicate from setup.c
intel-iommu.c: dma ops fix
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Stephen Rothwell noticed that:
Commit 2be621498d461b63ca6124f86e3b9582e1a8e722 ("x86: dma-ops on highmem
fix") in Linus' tree introduced a new warning (noticed in the x86_64
allmodconfig build of linux-next):
drivers/pci/intel-iommu.c:2240: warning: initialization from incompatible pointer type
Which points at an instance of map_single that needs updating.
Fix it to the new prototype.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Fix typo in previous commit
[CIFS] Fix define for new proxy cap to match documentation
[CIFS] Fix UNC path prefix on QueryUnixPathInfo to have correct slash
[CIFS] Reserve new proxy cap for WAFS
[CIFS] Add various missing flags and defintions
[CIFS] make cifs_dfs_automount_list_static
[CIFS] Fix oops when slow oplock process races with unmount
[CIFS] Fix acl length when very short ACL being modified by chmod
[CIFS] Fix looping on reconnect to Samba when unexpected tree connect fail on reconnect
[CIFS] minor update to change log
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Fix a regression in the RXKAD security module introduced in:
commit 91e916cffec7c0153c5cbaa447151862a7a9a047
Author: Al Viro <viro@ftp.linux.org.uk>
Date: Sat Mar 29 03:08:38 2008 +0000
net/rxrpc trivial annotations
A variable was declared as a 16-bit type rather than a 32-bit type.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-with-apologies-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-of-by: Linus Torvalds <torvalds@linux-foundation.org>
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This snuck in through 919ee677b656c52c5f86d3d916786891220d5452
("[SPARC64]: Add NUMA support")
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (80 commits)
SUNRPC: Invalidate the RPCSEC_GSS session if the server dropped the request
make nfs_automount_list static
NFS: remove duplicate flags assignment from nfs_validate_mount_data
NFS - fix potential NULL pointer dereference v2
SUNRPC: Don't change the RPCSEC_GSS context on a credential that is in use
SUNRPC: Fix a race in gss_refresh_upcall()
SUNRPC: Don't disconnect more than once if retransmitting NFSv4 requests
SUNRPC: Remove the unused export of xprt_force_disconnect
SUNRPC: remove XS_SENDMSG_RETRY
SUNRPC: Protect creds against early garbage collection
NFSv4: Attempt to use machine credentials in SETCLIENTID calls
NFSv4: Reintroduce machine creds
NFSv4: Don't use cred->cr_ops->cr_name in nfs4_proc_setclientid()
nfs: fix printout of multiword bitfields
nfs: return negative error value from nfs{,4}_stat_to_errno
NLM/lockd: Ensure client locking calls use correct credentials
NFS: Remove the buggy lock-if-signalled case from do_setlk()
NLM/lockd: Fix a race when cancelling a blocking lock
NLM/lockd: Ensure that nlmclnt_cancel() returns results of the CANCEL call
NLM: Remove the signal masking in nlmclnt_proc/nlmclnt_cancel
...
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* 'for-linus' of git://linux-nfs.org/~bfields/linux: (52 commits)
knfsd: clear both setuid and setgid whenever a chown is done
knfsd: get rid of imode variable in nfsd_setattr
SUNRPC: Use unsigned loop and array index in svc_init_buffer()
SUNRPC: Use unsigned index when looping over arrays
SUNRPC: Update RPC server's TCP record marker decoder
SUNRPC: RPC server still uses 2.4 method for disabling TCP Nagle
NLM: don't let lockd exit on unexpected svc_recv errors (try #2)
NFS: don't let nfs_callback_svc exit on unexpected svc_recv errors (try #2)
Use a zero sized array for raw field in struct fid
nfsd: use static memory for callback program and stats
SUNRPC: remove svc_create_thread()
nfsd: fix comment
lockd: Fix stale nlmsvc_unlink_block comment
NFSD: Strip __KERNEL__ testing from unexported header files.
sunrpc: make token header values less confusing
gss_krb5: consistently use unsigned for seqnum
NFSD: Remove NFSv4 dependency on NFSv3
SUNRPC: Remove PROC_FS dependency
NFSD: Use "depends on" for PROC_FS dependency
nfsd: move most of fh_verify to separate function
...
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