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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (229 commits)
USB: remove unused usb_buffer_alloc and usb_buffer_free macros
usb: musb: update gfp/slab.h includes
USB: ftdi_sio: fix legacy SIO-device header
USB: kl5usb105: reimplement using generic framework
USB: kl5usb105: minor clean ups
USB: kl5usb105: fix memory leak
USB: io_ti: use kfifo to implement write buffering
USB: io_ti: remove unsused private counter
USB: ti_usb: use kfifo to implement write buffering
USB: ir-usb: fix incorrect write-buffer length
USB: aircable: fix incorrect write-buffer length
USB: safe_serial: straighten out read processing
USB: safe_serial: reimplement read using generic framework
USB: safe_serial: reimplement write using generic framework
usb-storage: always print quirks
USB: usb-storage: trivial debug improvements
USB: oti6858: use port write fifo
USB: oti6858: use kfifo to implement write buffering
USB: cypress_m8: use kfifo to implement write buffering
USB: cypress_m8: remove unused drain define
...
Fix up conflicts (due to usb_buffer_alloc/free renaming) in
drivers/input/tablet/acecad.c
drivers/input/tablet/kbtab.c
drivers/input/tablet/wacom_sys.c
drivers/media/video/gspca/gspca.c
sound/usb/usbaudio.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits)
qlcnic: adding co maintainer
ixgbe: add support for active DA cables
ixgbe: dcb, do not tag tc_prio_control frames
ixgbe: fix ixgbe_tx_is_paused logic
ixgbe: always enable vlan strip/insert when DCB is enabled
ixgbe: remove some redundant code in setting FCoE FIP filter
ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp
ixgbe: fix header len when unsplit packet overflows to data buffer
ipv6: Never schedule DAD timer on dead address
ipv6: Use POSTDAD state
ipv6: Use state_lock to protect ifa state
ipv6: Replace inet6_ifaddr->dead with state
cxgb4: notify upper drivers if the device is already up when they load
cxgb4: keep interrupts available when the ports are brought down
cxgb4: fix initial addition of MAC address
cnic: Return SPQ credit to bnx2x after ring setup and shutdown.
cnic: Convert cnic_local_flags to atomic ops.
can: Fix SJA1000 command register writes on SMP systems
bridge: fix build for CONFIG_SYSFS disabled
ARCNET: Limit com20020 PCI ID matches for SOHARD cards
...
Fix up various conflicts with pcmcia tree drivers/net/
{pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and
wireless/orinoco/spectrum_cs.c} and feature removal
(Documentation/feature-removal-schedule.txt).
Also fix a non-content conflict due to pm_qos_requirement getting
renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
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This patch modifies the fs/timerfd.c to use the newly created
wait_event_interruptible_locked_irq() macro. This replaces an open
code implementation with a single macro call.
Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits)
vlynq: make whole Kconfig-menu dependant on architecture
add descriptive comment for TIF_MEMDIE task flag declaration.
EEPROM: max6875: Header file cleanup
EEPROM: 93cx6: Header file cleanup
EEPROM: Header file cleanup
agp: use NULL instead of 0 when pointer is needed
rtc-v3020: make bitfield unsigned
PCI: make bitfield unsigned
jbd2: use NULL instead of 0 when pointer is needed
cciss: fix shadows sparse warning
doc: inode uses a mutex instead of a semaphore.
uml: i386: Avoid redefinition of NR_syscalls
fix "seperate" typos in comments
cocbalt_lcdfb: correct sections
doc: Change urls for sparse
Powerpc: wii: Fix typo in comment
i2o: cleanup some exit paths
Documentation/: it's -> its where appropriate
UML: Fix compiler warning due to missing task_struct declaration
UML: add kernel.h include to signal.c
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM: PM QOS update fix
Freezer / cgroup freezer: Update stale locking comments
PM / platform_bus: Allow runtime PM by default
i2c: Fix bus-level power management callbacks
PM QOS update
PM / Hibernate: Fix block_io.c printk warning
PM / Hibernate: Group swap ops
PM / Hibernate: Move the first_sector out of swsusp_write
PM / Hibernate: Separate block_io
PM / Hibernate: Snapshot cleanup
FS / libfs: Implement simple_write_to_buffer
PM / Hibernate: document open(/dev/snapshot) side effects
PM / Runtime: Add sysfs debug files
PM: Improve device power management document
PM: Update device power management document
PM: Allow runtime_suspend methods to call pm_schedule_suspend()
PM: pm_wakeup - switch to using bool
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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: (61 commits)
KEYS: Return more accurate error codes
LSM: Add __init to fixup function.
TOMOYO: Add pathname grouping support.
ima: remove ACPI dependency
TPM: ACPI/PNP dependency removal
security/selinux/ss: Use kstrdup
TOMOYO: Use stack memory for pending entry.
Revert "ima: remove ACPI dependency"
Revert "TPM: ACPI/PNP dependency removal"
KEYS: Do preallocation for __key_link()
TOMOYO: Use mutex_lock_interruptible.
KEYS: Better handling of errors from construct_alloc_key()
KEYS: keyring_serialise_link_sem is only needed for keyring->keyring links
TOMOYO: Use GFP_NOFS rather than GFP_KERNEL.
ima: remove ACPI dependency
TPM: ACPI/PNP dependency removal
selinux: generalize disabling of execmem for plt-in-heap archs
LSM Audit: rename LSM_AUDIT_NO_AUDIT to LSM_AUDIT_DATA_NONE
CRED: Holding a spinlock does not imply the holding of RCU read lock
SMACK: Don't #include Ext2 headers
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* 'for-2.6.35' of git://linux-nfs.org/~bfields/linux: (45 commits)
Revert "nfsd4: distinguish expired from stale stateids"
nfsd: safer initialization order in find_file()
nfs4: minor callback code simplification, comment
NFSD: don't report compiled-out versions as present
nfsd4: implement reclaim_complete
nfsd4: nfsd4_destroy_session must set callback client under the state lock
nfsd4: keep a reference count on client while in use
nfsd4: mark_client_expired
nfsd4: introduce nfs4_client.cl_refcount
nfsd4: refactor expire_client
nfsd4: extend the client_lock to cover cl_lru
nfsd4: use list_move in move_to_confirmed
nfsd4: fold release_session into expire_client
nfsd4: rename sessionid_lock to client_lock
nfsd4: fix bare destroy_session null dereference
nfsd4: use local variable in nfs4svc_encode_compoundres
nfsd: further comment typos
sunrpc: centralise most calls to svc_xprt_received
nfsd4: fix unlikely race in session replay case
nfsd4: fix filehandle comment
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git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'nfs-for-2.6.35' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (78 commits)
SUNRPC: Don't spam gssd with upcall requests when the kerberos key expired
SUNRPC: Reorder the struct rpc_task fields
SUNRPC: Remove the 'tk_magic' debugging field
SUNRPC: Move the task->tk_bytes_sent and tk_rtt to struct rpc_rqst
NFS: Don't call iput() in nfs_access_cache_shrinker
NFS: Clean up nfs_access_zap_cache()
NFS: Don't run nfs_access_cache_shrinker() when the mask is GFP_NOFS
SUNRPC: Ensure rpcauth_prune_expired() respects the nr_to_scan parameter
SUNRPC: Ensure memory shrinker doesn't waste time in rpcauth_prune_expired()
SUNRPC: Dont run rpcauth_cache_shrinker() when gfp_mask is GFP_NOFS
NFS: Read requests can use GFP_KERNEL.
NFS: Clean up nfs_create_request()
NFS: Don't use GFP_KERNEL in rpcsec_gss downcalls
NFSv4: Don't use GFP_KERNEL allocations in state recovery
SUNRPC: Fix xs_setup_bc_tcp()
SUNRPC: Replace jiffies-based metrics with ktime-based metrics
ktime: introduce ktime_to_ms()
SUNRPC: RPC metrics and RTT estimator should use same RTT value
NFS: Calldata for nfs4_renew_done()
NFS: Squelch compiler warning in nfs_add_server_stats()
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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
sunrpc: Include missing smp_lock.h
procfs: Kill the bkl in ioctl
procfs: Push down the bkl from ioctl
procfs: Use generic_file_llseek in /proc/vmcore
procfs: Use generic_file_llseek in /proc/kmsg
procfs: Use generic_file_llseek in /proc/kcore
procfs: Kill BKL in llseek on proc base
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Conflicts:
include/linux/mod_devicetable.h
scripts/mod/file2alias.c
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This reverts commit 78155ed75f470710f2aecb3e75e3d97107ba8374.
We're depending here on the boot time that we use to generate the
stateid being monotonic, but get_seconds() is not necessarily.
We still depend at least on boot_time being different every time, but
that is a safer bet.
We have a few reports of errors that might be explained by this problem,
though we haven't been able to confirm any of them.
But the minor gain of distinguishing expired from stale errors seems not
worth the risk.
Conflicts:
fs/nfsd/nfs4state.c
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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The alloc_init_file() first adds a file to the hash and then
initializes its fi_inode, fi_id and fi_had_conflict.
The uninitialized fi_inode could thus be erroneously checked by
the find_file(), so move the hash insertion lower.
The client_mutex should prevent this race in practice; however, we
eventually hope to make less use of the client_mutex, so the ordering
here is an accident waiting to happen.
I didn't find whether the same can be true for two other fields,
but the common sense tells me it's better to initialize an object
before putting it into a global hash table :)
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Note the position in the version array doesn't have to match the actual
rpc version number--to me it seems clearer to maintain the distinction.
Also document choice of rpc callback version number, as discussed in
e.g. http://www.ietf.org/mail-archive/web/nfsv4/current/msg07985.html
and followups.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (49 commits)
stop_machine: Move local variable closer to the usage site in cpu_stop_cpu_callback()
sched, wait: Use wrapper functions
sched: Remove a stale comment
ondemand: Make the iowait-is-busy time a sysfs tunable
ondemand: Solve a big performance issue by counting IOWAIT time as busy
sched: Intoduce get_cpu_iowait_time_us()
sched: Eliminate the ts->idle_lastupdate field
sched: Fold updating of the last_update_time_info into update_ts_time_stats()
sched: Update the idle statistics in get_cpu_idle_time_us()
sched: Introduce a function to update the idle statistics
sched: Add a comment to get_cpu_idle_time_us()
cpu_stop: add dummy implementation for UP
sched: Remove rq argument to the tracepoints
rcu: need barrier() in UP synchronize_sched_expedited()
sched: correctly place paranioa memory barriers in synchronize_sched_expedited()
sched: kill paranoia check in synchronize_sched_expedited()
sched: replace migration_thread with cpu_stop
stop_machine: reimplement using cpu_stop
cpu_stop: implement stop_cpu[s]()
sched: Fix select_idle_sibling() logic in select_task_rq_fair()
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (23 commits)
cifs: fix noserverino handling when unix extensions are enabled
cifs: don't update uniqueid in cifs_fattr_to_inode
cifs: always revalidate hardlinked inodes when using noserverino
[CIFS] drop quota operation stubs
cifs: propagate cifs_new_fileinfo() error back to the caller
cifs: add comments explaining cifs_new_fileinfo behavior
cifs: remove unused parameter from cifs_posix_open_inode_helper()
[CIFS] Remove unused cifs_oplock_cachep
cifs: have decode_negTokenInit set flags in server struct
cifs: break negotiate protocol calls out of cifs_setup_session
cifs: eliminate "first_time" parm to CIFS_SessSetup
[CIFS] Fix lease break for writes
cifs: save the dialect chosen by server
cifs: change && to ||
cifs: rename "extended_security" to "global_secflags"
cifs: move tcon find/create into separate function
cifs: move SMB session creation code into separate function
cifs: track local_nls in volume info
[CIFS] Allow null nd (as nfs server uses) on create
[CIFS] Fix losing locks during fork()
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The uniqueid field sent by the server when unix extensions are enabled
is currently used sometimes when it shouldn't be. The readdir codepath
is correct, but most others are not. Fix it.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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We use this value to find an inode within the hash bucket, so we can't
change this without re-hashing the inode. For now, treat this value
as immutable.
Eventually, we should probably use an inode number change on a path
based operation to indicate that the lookup cache is invalid, but that's
a bit more code to deal with.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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The old cifs_revalidate logic always revalidated hardlinked inodes.
This hack allowed CIFS to pass some connectathon tests when server inode
numbers aren't used (basic test7, in particular).
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs:
logfs: handle powerfail on NAND flash
logfs: handle errors from get_mtd_device()
logfs: remove unused variable
logfs: fix sync
logfs: fix compile failure
logfs: initialize li->li_refcount
logfs: commit reservations under space pressure
logfs: survive logfs_buf_recover read errors
logfs: Close i_ino reuse race
logfs: fix logfs_seek_hole()
logfs: Return -EINVAL if filesystem image doesn't match
LogFS: Fix typo in b6349ac8
logfs: testing the wrong variable
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There are no more users of procfs that implement the ioctl
callback. Drop the bkl from this path and warn on any use
of this callback.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: John Kacur <jkacur@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
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Links for each port are created in sysfs using the device
name, but this could be changed after being added to the
bridge.
As well as being unable to remove interfaces after this
occurs (because userspace tools don't recognise the new
name, and the kernel won't recognise the old name), adding
another interface with the old name to the bridge will
cause an error trying to create the sysfs link.
This fixes the problem by listening for NETDEV_CHANGENAME
notifications and renaming the link.
https://bugzilla.kernel.org/show_bug.cgi?id=12743
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: check for read permission on src file in the clone ioctl
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The existing code would have allowed you to clone a file that was
only open for writing
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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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:
JFS: Free sbi memory in error path
fs/sysv: dereferencing ERR_PTR()
Fix double-free in logfs
Fix the regression created by "set S_DEAD on unlink()..." commit
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I spotted the missing kfree() while removing the BKL.
[akpm@linux-foundation.org: avoid multiple returns so it doesn't happen again]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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I moved the dir_put_page() inside the if condition so we don't dereference
"page", if it's an ERR_PTR().
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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iput() is needed *until* we'd done successful d_alloc_root()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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1) i_flags simply doesn't work for mount/unlink race prevention;
we may have many links to file and rm on one of those obviously
shouldn't prevent bind on top of another later on. To fix it
right way we need to mark _dentry_ as unsuitable for mounting
upon; new flag (DCACHE_CANT_MOUNT) is protected by d_flags and
i_mutex on the inode in question. Set it (with dont_mount(dentry))
in unlink/rmdir/etc., check (with cant_mount(dentry)) in places
in namespace.c that used to check for S_DEAD. Setting S_DEAD
is still needed in places where we used to set it (for directories
getting killed), since we rely on it for readdir/rmdir race
prevention.
2) rename()/mount() protection has another bogosity - we unhash
the target before we'd checked that it's not a mountpoint. Fixed.
3) ancient bogosity in pivot_root() - we locked i_mutex on the
right directory, but checked S_DEAD on the different (and wrong)
one. Noticed and fixed.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The /proc/fs/nfsd/versions file calls nfsd_vers() to check whether
the particular nfsd version is present/available. The problem is
that once I turn off e.g. NFSD-V4 this call returns -1 which is
true from the callers POV which is wrong.
The proposal is to report false in that case.
The bug has existed since 6658d3a7bbfd1768 "[PATCH] knfsd: remove
nfsd_versbits as intermediate storage for desired versions".
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: stable@kernel.org
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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iput() can potentially attempt to allocate memory, so we should avoid
calling it in a memory shrinker. Instead, rely on the fact that iput() will
call nfs_access_zap_cache().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Both iput() and put_rpccred() might allocate memory under certain
circumstances, so make sure that we don't recurse and deadlock...
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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There is no danger of deadlock should the allocation trigger page
writeback.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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There is no point in looping if we're out of memory.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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We do not want to have the state recovery thread kick off and wait for a
memory reclaim, since that may deadlock when the writebacks end up
waiting for the state recovery thread to complete.
The safe thing is therefore to use GFP_NOFS in all open, close,
delegation return, lock, etc. operations that may be called by the
state recovery thread.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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I'm about to change task->tk_start from a jiffies value to a ktime_t
value in order to make RPC RTT reporting more precise.
Recently (commit dc96aef9) nfs4_renew_done() started to reference
task->tk_start so that a jiffies value no longer had to be passed
from nfs4_proc_async_renew(). This allowed the calldata to point to
an nfs_client instead.
Changing task->tk_start to a ktime_t value makes it effectively
useless for renew timestamps, so we need to restore the pre-dc96aef9
logic that provided a jiffies "start" timestamp to nfs4_renew_done().
Both an nfs_client pointer and a timestamp need to be passed to
nfs4_renew_done(), so create a new nfs_renewdata structure that
contains both, resembling what is already done for delegreturn,
lock, and unlock.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Clean up:
fs/nfs/iostat.h: In function ‘nfs_add_server_stats’:
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
Commit fce22848 replaced the open-coded per-cpu logic in several
functions in fs/nfs/iostat.h with a single invocation of
this_cpu_ptr(). This macro assumes its second argument is signed,
not unsigned.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Clean up: fscache_uniq takes a string, so it should be included
with the other string mount option definitions, by convention.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Seen with -Wextra:
/home/cel/linux/fs/nfs/fscache.c: In function ‘__nfs_readpages_from_fscache’:
/home/cel/linux/fs/nfs/fscache.c:479: warning: comparison between signed and unsigned integer expressions
The comparison implicitly converts "int" to "unsigned", making it
safe. But there's no need for the implicit type conversions here, and
the dfprintk() already uses a "%u" formatter for "npages." Better to
reduce confusion.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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If the server has given us a delegation on a file, we _know_ that we can
cache the attribute information even when the user has specified 'noac'.
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Use the new helper functions instead of open coding.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Keep a global count of how many referrals that the current task has
traversed on a path lookup. Return ELOOP if the count exceeds
MAX_NESTED_LINKS.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Move the O_EXCL open handling into _nfs4_do_open() where it belongs. Doing
so also allows us to reuse the struct fattr from the opendata.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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