- 20 6月, 2011 1 次提交
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由 Boaz Harrosh 提交于
Andy's last device_cache patches, already take an extra reference on the newly inserted device_id. So we can remove it from obj-io. Without this patch the device_ids are leaked. Andy's patches are not in Linus tree yet. So I'm not sure if they are scheduled for this Kernel or the next. This patch should be added as part of these. CC: Andy Adamson <andros@netapp.com> Signed-off-by: NBoaz Harrosh <bharrosh@panasas.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 17 6月, 2011 2 次提交
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由 Trond Myklebust 提交于
Fix a couple of instances where we were exiting the RPC client on arbitrary signals. We should only do so on fatal signals. Cc: stable@kernel.org Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Commit 7ebb9315 (NFS: use secinfo when crossing mountpoints) introduces a regression when decoding an NFSv4 readdir entry that sets the rdattr_error field. By treating the resulting value as if it is a decoding error, the current code may cause us to skip valid readdir entries. Reported-by: NAndy Adamson <andros@netapp.com> Cc: stable@kernel.org [2.6.39] Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 16 6月, 2011 2 次提交
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由 Fred Isaman 提交于
Signed-off-by: NFred Isaman <iisaman@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Fred Isaman 提交于
mark_matching_lsegs_invalid could put the last ref to the layout, so the get_layout_hdr needs to be called first. Signed-off-by: NFred Isaman <iisaman@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 15 6月, 2011 11 次提交
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由 Benny Halevy 提交于
We always get a reference on the layout header and we rely on nfs4_layoutreturn_release to put it. If we hit an allocation error before starting the rpc proc we bail out early without dereferncing the layout header properly. Signed-off-by: NBenny Halevy <benny@tonian.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 David Howells 提交于
(d)printks should use %zd for ssize_t arguments not %ld, otherwise they might get a warning. I see the following with MN10300. fs/nfs/objlayout/objlayout.c: In function 'objlayout_read_done': fs/nfs/objlayout/objlayout.c:294: warning: format '%ld' expects type 'long int', but argument 3 has type 'ssize_t' Signed-off-by: NDavid Howells <dhowells@redhat.com> cc: Trond Myklebust <Trond.Myklebust@netapp.com> cc: linux-nfs@vger.kernel.org Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Benny Halevy 提交于
The break condition to skip out of the loop got broken when cmp_layout was change. Essentially, we want to stop looking once we know no layout on the remainder of the list can match the first byte of the looked-up range. Reported-by: NPeng Tao <peng_tao@emc.com> Signed-off-by: NBenny Halevy <benny@tonian.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Fred Isaman 提交于
_pnfs_return_layout had the following problems: - it did not call pnfs_free_lseg_list on all paths - it unintentionally did a forgetful return when there was no outstanding io - it raced with concurrent LAYOUTGETS Signed-off-by: NFred Isaman <iisaman@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Andy Adamson 提交于
Signed-off-by: NAndy Adamson <andros@netapp.com> cc:stable@kernel.org [2.6.39] Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Andy Adamson 提交于
Commit 28331a46 "Ensure we request the ordinary fileid when doing readdirplus" changed the meaning of NFS_ATTR_FATTR_FILEID which used to be set when FATTR4_WORD1_MOUNTED_ON_FILED was requested. Allow nfs_fhget to succeed with only a mounted on fileid when crossing a mountpoint or a referral. Ask for the fileid of the absent file system if mounted_on_fileid is not supported. Signed-off-by: NAndy Adamson <andros@netapp.com> cc:stable@kernel.org [2.6.39] Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
When we add something to the global device id cache, we need to bump the reference count, so that the cache itself holds a reference. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Benny Halevy 提交于
We don't support header padding yet so better off ditching it Reported-by: NSid Moore <learnmost@gmail.com> Signed-off-by: NBenny Halevy <benny@tonian.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Peng Tao 提交于
nfs_update_inode will update isize if there is no queued pages. For pNFS, layoutcommit is supposed to change file size on server, the same effect as queued pages. nfs_update_inode may be called when dirty pages are written back (nfsi->npages==0) but layoutcommit is not sent, and it will change client file size according to server file size. Then client ends up losing what it just writes back in pNFS path. So we should skip updating client file size if file needs layoutcommit. Signed-off-by: NPeng Tao <peng_tao@emc.com> Cc: stable@kernel.org [2.6.39] Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
If the NLM daemon is killed on the NFS server, we can currently end up hanging forever on an 'unlock' request, instead of aborting. Basically, if the rpcbind request fails, or the server keeps returning garbage, we really want to quit instead of retrying. Tested-by: NVasily Averin <vvs@sw.ru> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org
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由 Weston Andros Adamson 提交于
Unmounting a pnfs filesystem hangs using filelayout and possibly others. This fixes the use of the rcu protected node by making use of a new 'tmpnode' for the temporary purge list. Also, the spinlock shouldn't be held when calling synchronize_rcu(). Signed-off-by: NWeston Andros Adamson <dros@netapp.com> Signed-off-by: NAndy Adamson <andros@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 01 6月, 2011 10 次提交
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git://git.infradead.org/mtd-2.6由 Linus Torvalds 提交于
* git://git.infradead.org/mtd-2.6: mtd: fix physmap.h warnings
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由 Randy Dunlap 提交于
Fix build warnings in physmap.h: include/linux/mtd/physmap.h:25: warning: 'struct platform_device' declared inside parameter list include/linux/mtd/physmap.h:25: warning: its scope is only this definition or declaration, which is probably not what you want include/linux/mtd/physmap.h:26: warning: 'struct platform_device' declared inside parameter list include/linux/mtd/physmap.h:27: warning: 'struct platform_device' declared inside parameter list Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
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由 Linus Torvalds 提交于
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: AppArmor: fix oops in apparmor_setprocattr
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由 Mike Frysinger 提交于
The new instruction_pointer_set helper is defined for people who have converted to asm-generic/ptrace.h, so don't use it generally unless the arch needs it (in which case it has been converted). This should fix building of kgdb tests for arches not yet converted. Signed-off-by: NMike Frysinger <vapier@gentoo.org> Acked-by: NStephen Rothwell <sfr@canb.auug.org.au> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Kees Cook 提交于
When invalid parameters are passed to apparmor_setprocattr a NULL deref oops occurs when it tries to record an audit message. This is because it is passing NULL for the profile parameter for aa_audit. But aa_audit now requires that the profile passed is not NULL. Fix this by passing the current profile on the task that is trying to setprocattr. Signed-off-by: NKees Cook <kees@ubuntu.com> Signed-off-by: NJohn Johansen <john.johansen@canonical.com> Cc: stable@kernel.org Signed-off-by: NJames Morris <jmorris@namei.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio_net: delay TX callbacks virtio: add api for delayed callbacks virtio_test: support event index vhost: support event index virtio_ring: support event idx feature virtio ring: inline function to check for events virtio: event index interface virtio: add full three-clause BSD text to headers. virtio balloon: kill tell-host-first logic virtio console: don't manually set or finalize VIRTIO_CONSOLE_F_MULTIPORT. drivers, block: virtio_blk: Replace cryptic number with the macro virtio_blk: allow re-reading config space at runtime lguest: remove support for VIRTIO_F_NOTIFY_ON_EMPTY. lguest: fix up compilation after move lguest: fix timer interrupt setup
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6由 Linus Torvalds 提交于
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] wire up sendmmsg() syscall for Itanium
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由 Tony Luck 提交于
Add entries in unistd.h and entry.S to make this new syscall visible. Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Linus Torvalds 提交于
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Fix mwait_play_dead() faulting on mwait-incapable cpus x86 idle: Fix mwait deprecation warning message Evil merge to remove extra quote noticed by Joe Perches
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由 Linus Torvalds 提交于
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: Cure load woes
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- 31 5月, 2011 4 次提交
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由 Linus Torvalds 提交于
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Put back -pg to tsc.o and add no GCOV to vread_tsc_64.o
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: autofs4: bogus dentry_unhash() added in ->unlink() vfs: shrink_dcache_parent before rmdir, dir rename
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由 Benjamin Herrenschmidt 提交于
The Apple custom PIC only exist in some earlier machine models, anything with an MPIC will crash on suspend if we register those syscore ops unconditionally. This is a regression caused by commit f5a592f7 ("PM / PowerPC: Use struct syscore_ops instead of sysdevs for PM") Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Peter Zijlstra 提交于
Commit cc3ce517 (rcu: Start RCU kthreads in TASK_INTERRUPTIBLE state) fudges a sleeping task' state, resulting in the scheduler seeing a TASK_UNINTERRUPTIBLE task going to sleep, but a TASK_INTERRUPTIBLE task waking up. The result is unbalanced load calculation. The problem that patch tried to address is that the RCU threads could stay in UNINTERRUPTIBLE state for quite a while and triggering the hung task detector due to on-demand wake-ups. Cure the problem differently by always giving the tasks at least one wake-up once the CPU is fully up and running, this will kick them out of the initial UNINTERRUPTIBLE state and into the regular INTERRUPTIBLE wait state. [ The alternative would be teaching kthread_create() to start threads as INTERRUPTIBLE but that needs a tad more thought. ] Reported-by: NDamien Wyart <damien.wyart@free.fr> Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: NPaul E. McKenney <paul.mckenney@linaro.org> Link: http://lkml.kernel.org/r/1306755291.1200.2872.camel@twinsSigned-off-by: NIngo Molnar <mingo@elte.hu>
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- 30 5月, 2011 10 次提交
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由 Avi Kivity 提交于
A logic error in mwait_play_dead() causes the kernel to use mwait even on cpus which don't support it, such as KVM virtual cpus. Introduced by: 349c004e: x86: A fast way to check capabilities of the current cpu Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=36222Reported-by: NTörök Edwin <edwintorok@gmail.com> Signed-off-by: NAvi Kivity <avi@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1306758237-9327-1-git-send-email-avi@redhat.comSigned-off-by: NIngo Molnar <mingo@elte.hu>
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由 Borislav Petkov 提交于
Fix: arch/x86/kernel/process.c:645:1: warning: unknown escape sequence '\i' due to missing escape backslash, introduced by this commit: 5d4c47e0: x86 idle: deprecate mwait_idle() and "idle=mwait" cmdline param Signed-off-by: NBorislav Petkov <bp@alien8.de> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1306748286-24701-1-git-send-email-bp@alien8.deSigned-off-by: NIngo Molnar <mingo@elte.hu>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Sage Weil 提交于
The dentry_unhash push-down series missed that shink_dcache_parent needs to be called prior to rmdir or dir rename to clear DCACHE_REFERENCED and allow efficient dentry reclaim. Reported-by: NDave Chinner <david@fromorbit.com> Signed-off-by: NSage Weil <sage@newdream.net> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Michael S. Tsirkin 提交于
Ask for delayed callbacks on TX ring full, to give the other side more of a chance to make progress. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Acked-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Michael S. Tsirkin 提交于
Add an API that tells the other side that callbacks should be delayed until a lot of work has been done. Implement using the new event_idx feature. Note: it might seem advantageous to let the drivers ask for a callback after a specific capacity has been reached. However, as a single head can free many entries in the descriptor table, we don't really have a clue about capacity until get_buf is called. The API is the simplest to implement at the moment, we'll see what kind of hints drivers can pass when there's more than one user of the feature. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Michael S. Tsirkin 提交于
Add ability to test the new event idx feature, enable by default. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Michael S. Tsirkin 提交于
Support the new event index feature. When acked, utilize it to reduce the # of interrupts sent to the guest. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Michael S. Tsirkin 提交于
Support for the new event idx feature: 1. When enabling interrupts, publish the current avail index value to the host to get interrupts on the next update. 2. Use the new avail_event feature to reduce the number of exits from the guest. Simple test with the simulator: [virtio]# time ./virtio_test spurious wakeus: 0x7 real 0m0.169s user 0m0.140s sys 0m0.019s [virtio]# time ./virtio_test --no-event-idx spurious wakeus: 0x11 real 0m0.649s user 0m0.295s sys 0m0.335s Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Michael S. Tsirkin 提交于
With the new used_event and avail_event and features, both host and guest need similar logic to check whether events are enabled, so it helps to put the common code in the header. Note that Xen has similar logic for notification hold-off in include/xen/interface/io/ring.h with req_event and req_prod corresponding to event_idx + 1 and new_idx respectively. +1 comes from the fact that req_event and req_prod in Xen start at 1, while event index in virtio starts at 0. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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