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2010-03-06dm mpath: wait for pg_init completion when suspendingKiyoshi Ueda1-3/+35
When suspending the device we must wait for all I/O to complete, but pg-init may be still in progress even after flushing the workqueue for kmpath_handlerd in multipath_postsuspend. This patch waits for pg-init completion correctly in multipath_postsuspend(). Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-06dm mpath: hold io until all pg_inits completedKiyoshi Ueda1-6/+11
m->queue_io is set to block processing I/Os, and it needs to be kept while pg-init, which issues multiple path activations, is in progress. But m->queue is cleared when a path activation completes without error in pg_init_done(), even while other path activations are in progress. That may cause undesired -EIO on paths which are not complete activation. This patch fixes that by not clearing m->queue_io until all path activations complete. (Before the hardware handlers were moved into the SCSI layer, pg_init only used one path.) Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-06dm mpath: avoid storing private suspended stateKiyoshi Ueda1-12/+0
'suspended' flag in struct multipath was introduced to check whether the multipath target is in suspended state, but the same check is done through dm_suspended() now, so remove the flag and related code. Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Cc: Mike Anderson <andmike@linux.vnet.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-06dm: document when snapshot has finished mergingMike Snitzer1-0/+44
Update Documentation/device-mapper/snapshot.txt to cover "How to determine when a snapshot has finished merging". Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-06dm table: remove dm_get from dm_table_get_mdKiyoshi Ueda3-19/+4
Remove the dm_get() in dm_table_get_md() because dm_table_get_md() could be called from presuspend/postsuspend, which are called while mapped_device is in DMF_FREEING state, where dm_get() is not allowed. Justification for that is the lifetime of both objects: As far as the current dm design/implementation, mapped_device is never freed while targets are doing something, because dm core waits for targets to become quiet in dm_put() using presuspend/postsuspend. So targets should be able to touch mapped_device without holding reference count of the mapped_device, and we should allow targets to touch mapped_device even if it is in DMF_FREEING state. Backgrounds: I'm trying to remove the multipath internal queue, since dm core now has a generic queue for request-based dm. In the patch-set, the multipath target wants to request dm core to start/stop queue. One of such start/stop requests can happen during postsuspend() while the target waits for pg-init to complete, because the target stops queue when starting pg-init and tries to restart it when completing pg-init. Since queue belongs to mapped_device, it involves calling dm_table_get_md() and dm_put(). On the other hand, postsuspend() is called in dm_put() for mapped_device which is in DMF_FREEING state, and that triggers BUG_ON(DMF_FREEING) in the 2nd dm_put(). I had tried to solve this problem by changing only multipath not to touch mapped_device which is in DMF_FREEING state, but I couldn't and I came up with a question why we need dm_get() in dm_table_get_md(). Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-06dm mpath: skip activate_path for failed pathsMoger, Babu1-2/+5
This patch adds two minor fixes while processing device mapper path activation. Skip failed paths while calling activate_path. If the path is already failed then activate_path will fail for sure. We don't have to call in that case. In some case this might cause prolonged retries unnecessarily. Change the misleading message if the path being activated fails with SCSI_DH_NOSYS. Signed-off-by: Babu Moger <babu.moger@lsi.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-06dm mpath: pass struct pgpath to pg init doneMoger, Babu1-3/+2
This patch removes some unnecessary argument casting. There is no functional change with this patch. Passes 'struct pgpath' through to pg_init_done() instead of the enclosed 'struct dm_path'. Tested the changes with LSI storage.. CC: Chandra Seetharaman <chandra.seetharaman@us.ibm.com> Signed-off-by: Babu Moger <babu.moger@lsi.com> Acked-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2010-03-04Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osdLinus Torvalds5-203/+779
* 'for-linus' of git://git.open-osd.org/linux-open-osd: exofs: groups support exofs: Prepare for groups exofs: Error recovery if object is missing from storage exofs: convert io_state to use pages array instead of bio at input exofs: RAID0 support exofs: Define on-disk per-inode optional layout attribute exofs: unindent exofs_sbi_read exofs: Move layout related members to a layout structure exofs: Recover in the case of read-passed-end-of-file exofs: Micro-optimize exofs_i_info exofs: debug print even less
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds17-276/+99
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Make prom entry spinlock NMI safe. sparc64: Kill off old sys_perfctr system call and state. sparc: Update defconfigs. sparc: Provide io{read,write}{16,32}be().
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6Linus Torvalds52-678/+617
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6: (49 commits) drivers/ide: Fix continuation line formats ide: fixed section mismatch warning in cmd640.c ide: ide_timing_compute() fixup ide: make ide_get_best_pio_mode() static via82cxxx: use ->pio_mode value to determine pair device speed tx493xide: use ->pio_mode value to determine pair device speed siimage: use ->pio_mode value to determine pair device speed palm_bk3710: use ->pio_mode value to determine pair device speed it821x: use ->pio_mode value to determine pair device speed cs5536: use ->pio_mode value to determine pair device speed cs5535: use ->pio_mode value to determine pair device speed cmd64x: fix handling of address setup timings amd74xx: use ->pio_mode value to determine pair device speed alim15x3: fix handling of UDMA enable bit alim15x3: fix handling of DMA timings alim15x3: fix handling of command timings alim15x3: fix handling of address setup timings ide-timings: use ->pio_mode value to determine fastest PIO speed ide: change ->set_dma_mode method parameters ide: change ->set_pio_mode method parameters ...
2010-03-04Merge branch 'next' of ↵Linus Torvalds20-779/+1717
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (28 commits) ioat: cleanup ->timer_fn() and ->cleanup_fn() prototypes ioat3: interrupt coalescing ioat: close potential BUG_ON race in the descriptor cleanup path ioat2: kill pending flag ioat3: use ioat2_quiesce() ioat3: cleanup, don't enable DCA completion writes DMAENGINE: COH 901 318 lli sg offset fix DMAENGINE: COH 901 318 configure channel direction DMAENGINE: COH 901 318 remove irq counting DMAENGINE: COH 901 318 descriptor pool refactoring DMAENGINE: COH 901 318 cleanups dma: Add MPC512x DMA driver Debugging options for the DMA engine subsystem iop-adma: redundant/wrong tests in iop_*_count()? dmatest: fix handling of an even number of xor_sources dmatest: correct raid6 PQ test fsldma: Fix cookie issues fsldma: Fix cookie issues dma: cases IPU_PIX_FMT_BGRA32, BGR32 and ABGR32 are the same in ipu_ch_param_set_size() dma: make Open Firmware device id constant ...
2010-03-04Merge branch 'for-linus' of ↵Linus Torvalds73-1080/+773
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (52 commits) init: Open /dev/console from rootfs mqueue: fix typo "failues" -> "failures" mqueue: only set error codes if they are really necessary mqueue: simplify do_open() error handling mqueue: apply mathematics distributivity on mq_bytes calculation mqueue: remove unneeded info->messages initialization mqueue: fix mq_open() file descriptor leak on user-space processes fix race in d_splice_alias() set S_DEAD on unlink() and non-directory rename() victims vfs: add NOFOLLOW flag to umount(2) get rid of ->mnt_parent in tomoyo/realpath hppfs can use existing proc_mnt, no need for do_kern_mount() in there Mirror MS_KERNMOUNT in ->mnt_flags get rid of useless vfsmount_lock use in put_mnt_ns() Take vfsmount_lock to fs/internal.h get rid of insanity with namespace roots in tomoyo take check for new events in namespace (guts of mounts_poll()) to namespace.c Don't mess with generic_permission() under ->d_lock in hpfs sanitize const/signedness for udf nilfs: sanitize const/signedness in dealing with ->d_name.name ... Fix up fairly trivial (famous last words...) conflicts in drivers/infiniband/core/uverbs_main.c and security/tomoyo/realpath.c
2010-03-04Merge git://git.infradead.org/battery-2.6Linus Torvalds4-49/+138
* git://git.infradead.org/battery-2.6: power_supply: bq27x00: fix voltage and current units power_supply: bq27x00: add status and time properties power_supply: bq27x00: add BQ27500 support power_supply: bq27x00: fix temperature conversion power_supply: bq27x00: remove unused struct fields power_supply: bq27x00: remove double endian swap da9030_battery: fix spelling in comment wm97xx_battery: Clean up some warnings
2010-03-04Merge branch 'for-linus' of ↵Linus Torvalds28-184/+1622
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (27 commits) Regulators: wm8400 - cleanup platform driver data handling Regulators: wm8994 - clean up driver data after removal Regulators: wm831x-xxx - clean up driver data after removal Regulators: pcap-regulator - clean up driver data after removal Regulators: max8660 - annotate probe and remove methods Regulators: max1586 - annotate probe and remove methods Regulators: lp3971 - fail if platform data was not supplied Regulators: tps6507x-regulator - mark probe method as __devinit Regulators: tps65023-regulator - mark probe method as __devinit Regulators: twl-regulator - mark probe function as __devinit Regulators: fixed - annotate probe and remove methods Regulators: ab3100 - fix probe and remove annotations Regulators: virtual - use sysfs attribute groups twl6030: regulator: Configure STATE register instead of REMAP regulator: Provide optional dummy regulator for consumers regulator: Assume regulators are enabled if they don't report anything regulator: Convert fixed voltage regulator to use enable_time() regulator: Add WM8994 regulator support regulator: enable max8649 regulator driver regulator: trivial: fix typos in user-visible Kconfig text ...
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds9-1027/+973
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: disable pcmcia ioctl for !ARM, prepare for removal pcmcia: CodingStyle fixes pcmcia: alchemy: fixup wrong comments pcmcia: remove irq_list parameter from pd6729 yenta_socket: ENE CB712 CardBus bridge needs special treatment with Echo Audio Indigo soundcards
2010-03-04Merge branch 'drm-linus' of ↵Linus Torvalds146-6374/+18175
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (151 commits) vga_switcheroo: disable default y by new rules. drm/nouveau: fix *staging* driver build with switcheroo off. drm/radeon: fix typo in Makefile vga_switcheroo: fix build on platforms with no ACPI drm/radeon: Fix printf type warning in 64bit system. drm/radeon/kms: bump the KMS version number for square tiling support. vga_switcheroo: initial implementation (v15) drm/radeon/kms: do not disable audio engine twice Revert "drm/radeon/kms: disable HDMI audio for now on rv710/rv730" drm/radeon/kms: do not preset audio stuff and start timer when not using audio drm/radeon: r100/r200 ums: block ability for userspace app to trash 0 page and beyond drm/ttm: fix function prototype to match implementation drm/radeon: use ALIGN instead of open coding it drm/radeon/kms: initialize set_surface_reg reg for rs600 asic drm/i915: Use a dmi quirk to skip a broken SDVO TV output. drm/i915: enable/disable LVDS port at DPMS time drm/i915: check for multiple write domains in pin_and_relocate drm/i915: clean-up i915_gem_flush_gpu_write_domain drm/i915: reuse i915_gpu_idle helper drm/i915: ensure lru ordering of fence_list ... Fixed trivial conflicts in drivers/gpu/vga/Kconfig
2010-03-03Merge branch 'coh' into dmaengineDan Williams7-123/+116
2010-03-03ioat: cleanup ->timer_fn() and ->cleanup_fn() prototypesDan Williams5-67/+40
If the calling convention of ->timer_fn() and ->cleanup_fn() are unified across hardware versions we can drop parameters to ioat_init_channel() and unify ioat_is_dma_complete() implementations. Both ->timer_fn() and ->cleanup_fn() are modified to expect a struct dma_chan pointer. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-03ioat3: interrupt coalescingDan Williams2-5/+34
The hardware automatically disables further interrupts after each event until rearmed. This allows a delay to be injected between the occurence of the interrupt and the running of the cleanup routine. The delay is scaled by the descriptor backlog and then written to the INTRDELAY register which specifies the number of microseconds to hold off interrupt delivery after an interrupt event occurs. According to powertop this reduces the interrupt rate from ~5000 intr/s to ~150 intr/s per without affecting throughput (simple dd to a raid6 array). Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-03ioat: close potential BUG_ON race in the descriptor cleanup pathDan Williams2-2/+2
Since ioat_cleanup_preamble() and the update of the last completed descriptor are not synchronized there is a chance that two cleanup threads can see descriptors to clean. If the first cleans up all pending descriptors then the second will trigger the BUG_ON. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-03-03Prioritize synchronous signals over 'normal' signalsLinus Torvalds1-13/+30
This makes sure that we pick the synchronous signals caused by a processor fault over any pending regular asynchronous signals sent to use by [t]kill(). This is not strictly required semantics, but it makes it _much_ easier for programs like Wine that expect to find the fault information in the signal stack. Without this, if a non-synchronous signal gets picked first, the delayed asynchronous signal will have its signal context pointing to the new signal invocation, rather than the instruction that caused the SIGSEGV or SIGBUS in the first place. This is not all that pretty, and we're discussing making the synchronous signals more explicit rather than have these kinds of implicit preferences of SIGSEGV and friends. See for example http://bugzilla.kernel.org/show_bug.cgi?id=15395 for some of the discussion. But in the meantime this is a simple and fairly straightforward work-around, and the whole if (x & Y) x &= Y; thing can be compiled into (and gcc does do it) just three instructions: movq %rdx, %rax andl $Y, %eax cmovne %rax, %rdx so it is at least a simple solution to a subtle issue. Reported-and-tested-by: Pavel Vilim <wylda@volny.cz> Acked-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-03Merge branch 'for-fsnotify' into for-linusAl Viro7-76/+23
2010-03-03init: Open /dev/console from rootfsEric W. Biederman2-9/+6
To avoid potential problems with an empty /dev open /dev/console from rootfs instead of waiting to mount our root filesystem and mounting it there. This effectively guarantees that there will be a device node, and it won't be on a filesystem that we will ever unmount, so there are no issues with leaving /dev/console open and pinning the filesystem. This is actually more effective than automatically mounting devtmpfs on /dev because it removes removes the occasionally problematic assumption that /dev/console exists from the boot code. With this patch I was able to throw busybox on my /boot partition (which has no /dev directory) and boot into userspace without problems. The only possible negative consequence I can think of is that someone out there deliberately used did not use a character device that is major 5 minor 2 for /dev/console. Does anyone know of a situation in which that could make sense? Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: fix typo "failues" -> "failures"André Goddard Rosa1-1/+1
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: only set error codes if they are really necessaryAndré Goddard Rosa1-27/+50
... postponing assignments until they're needed. Doesn't change code size. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: simplify do_open() error handlingAndré Goddard Rosa1-6/+10
It reduces code size: text data bss dec hex filename 9925 72 16 10013 271d ipc/mqueue-BEFORE.o 9885 72 16 9973 26f5 ipc/mqueue-AFTER.o Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: apply mathematics distributivity on mq_bytes calculationAndré Goddard Rosa1-4/+5
Code size reduction: text data bss dec hex filename 9941 72 16 10029 272d ipc/mqueue-BEFORE.o 9925 72 16 10013 271d ipc/mqueue-AFTER.o Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: remove unneeded info->messages initializationAndré Goddard Rosa1-8/+5
... and abort earlier if we couldn't allocate the message pointers array, avoiding the u->mq_bytes accounting logic. It reduces code size: text data bss dec hex filename 9949 72 16 10037 2735 ipc/mqueue-BEFORE.o 9941 72 16 10029 272d ipc/mqueue-AFTER.o Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03mqueue: fix mq_open() file descriptor leak on user-space processesAndré Goddard Rosa1-2/+1
We leak fd on lookup_one_len() failure Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fix race in d_splice_alias()Al Viro1-1/+0
rehashing the negative placeholder opens a race with d_lookup(); we unhash it almost immediately (by d_move()), but the race window is there. Since d_move() doesn't rely on target being hashed, we don't need that d_rehash() at all. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03set S_DEAD on unlink() and non-directory rename() victimsAl Viro1-1/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03vfs: add NOFOLLOW flag to umount(2)Miklos Szeredi2-1/+10
Add a new UMOUNT_NOFOLLOW flag to umount(2). This is needed to prevent symlink attacks in unprivileged unmounts (fuse, samba, ncpfs). Additionally, return -EINVAL if an unknown flag is used (and specify an explicitly unused flag: UMOUNT_UNUSED). This makes it possible for the caller to determine if a flag is supported or not. CC: Eugene Teo <eugene@redhat.com> CC: Michael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of ->mnt_parent in tomoyo/realpathAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03hppfs can use existing proc_mnt, no need for do_kern_mount() in thereAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Mirror MS_KERNMOUNT in ->mnt_flagsAl Viro3-1/+6
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of useless vfsmount_lock use in put_mnt_ns()Al Viro1-6/+2
It hadn't been needed since we'd sanitized the logics in mark_mounts_for_expiry() (which, in turn, used to be a rudiment of bad old times when namespace_sem was per-ns). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Take vfsmount_lock to fs/internal.hAl Viro2-1/+2
no more users left outside of fs/*.c (and very few outside of fs/namespace.c, actually) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03get rid of insanity with namespace roots in tomoyoAl Viro1-19/+4
passing *any* namespace root to __d_path() as root is equivalent to just passing it {NULL, NULL}; no need to bother with finding the root of our namespace in there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03take check for new events in namespace (guts of mounts_poll()) to namespace.cAl Viro3-8/+18
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Don't mess with generic_permission() under ->d_lock in hpfsAl Viro1-6/+9
Just use dentry_unhash() there Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03sanitize const/signedness for udfAl Viro5-19/+19
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03nilfs: sanitize const/signedness in dealing with ->d_name.nameAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03nilfs really shouldn't slap struct dentry on stack...Al Viro3-15/+12
... especially when it only needs (and initializes) .d_name of it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03sanitize const/signedness of ufs a bitAl Viro2-7/+7
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03sanitize signedness/const for pointers to char in hpfs a bitAl Viro10-82/+97
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03new helper: iterate_mounts()Al Viro3-34/+33
apply function to vfsmounts in set returned by collect_mounts(), stop if it returns non-zero. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fix NFS4 handling of mountpoint statAl Viro1-3/+9
RFC says we need to follow the chain of mounts if there's more than one stacked on that point. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03Clean follow_dotdot() up a bitAl Viro1-16/+3
No need to open-code follow_up() in it and locking can be lighter. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03fix mnt_mountpoint abuse in smackAl Viro1-1/+1
(mnt,mnt_mountpoint) pair is conceptually wrong; if you want to use it for generating pathname and for nothing else *and* if you know that vfsmount tree is unchanging, you can get away with that, but the right solution for that is (mnt,mnt_root). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03a couple of mntget+dget -> path_get in nfs4procAl Viro1-4/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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