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2010-12-02cifs: add attribute cache timeout (actimeo) tunableSuresh Jayaraman
Currently, the attribute cache timeout for CIFS is hardcoded to 1 second. This means that the client might have to issue a QPATHINFO/QFILEINFO call every 1 second to verify if something has changes, which seems too expensive. On the other hand, if the timeout is hardcoded to a higher value, workloads that expect strict cache coherency might see unexpected results. Making attribute cache timeout as a tunable will allow us to make a tradeoff between performance and cache metadata correctness depending on the application/workload needs. Add 'actimeo' tunable that can be used to tune the attribute cache timeout. The default timeout is set to 1 second. Also, display actimeo option value in /proc/mounts. It appears to me that 'actimeo' and the proposed (but not yet merged) 'strictcache' option cannot coexist, so care must be taken that we reset the other option if one of them is set. Changes since last post: - fix option parsing and handle possible values correcly Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-12-02Revert "ath9k: Fix STA disconnect issue due to received MIC failed bcast frames"John W. Linville
This reverts commit 916448e77f6bcaaa7f13c3de0c3851783ae2bfd0. "As far as I can tell, either of these patches breaks multiple VIF scenarios. I'm not sure exactly why, but I had to revert this to get any of my interfaces to associate." -- Ben Greear <greearb@candelatech.com> http://marc.info/?l=linux-wireless&m=129123368719339&w=2 Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02ath9k_hw: fix more bitfield related endian issuesFelix Fietkau
A few LNA control related flags were also specified as a bitfields, however for some strange reason they were written in big-endian order this time. Fix this by using flags instead. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02ath9k_hw: fix endian issues with CTLs on AR9003Felix Fietkau
Parsing data using bitfields is messy, because it makes endian handling much harder. AR9002 and earlier got it right, AR9003 got it wrong. This might lead to either using too high or too low tx power values, depending on frequency and eeprom settings. Fix it by getting rid of the CTL related bitfields entirely and use masks instead. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02ath9k: Fix bug in reading input gpio state for ar9003Vasanthakumar Thiagarajan
The register which gives input gpio state is 0x404c for ar9003, currently 0x4048 is wrongly used. This will disable RF and make it unusable on some of AR9003. Cc:stable@kernel.org Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-2.6
2010-12-02Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: only run xfs_error_test if error injection is active xfs: avoid moving stale inodes in the AIL xfs: delayed alloc blocks beyond EOF are valid after writeback xfs: push stale, pinned buffers on trylock failures xfs: fix failed write truncation handling.
2010-12-02Merge branch 'fix/asoc' into for-linusTakashi Iwai
2010-12-02Merge branch 'for-2.6.37' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc-2.6 into fix/asoc
2010-12-02Merge branch 'fix/hda' into for-linusTakashi Iwai
2010-12-02Merge branch 'for-linus' of ↵Linus Torvalds
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: regulator: fix kernel-doc for set_consumer_device_supply regulator: enable supply regulator only when use count is zero regulator: twl-regulator - fix twlreg_set_mode regulator: lock supply in regulator enable regulator: Return proper error for regulator_register() regulator: Ensure enough delay time for enabling regulator regulator: Remove a redundant device_remove_file call in create_regulator regulator: Staticise mc13783_powermisc_rmw() regulator: regulator disable supply fix
2010-12-02Merge branch 'v4l_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: [media] v4l: Remove module_name argument to the v4l2_i2c_new_subdev* functions [media] v4l: Remove hardcoded module names passed to v4l2_i2c_new_subdev* (2)
2010-12-02Merge branch 'rbd-sysfs' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client * 'rbd-sysfs' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: rbd: replace the rbd sysfs interface
2010-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: fix parsing of hostname in dfs referrals cifs: display fsc in /proc/mounts cifs: enable fscache iff fsc mount option is used explicitly cifs: allow fsc mount option only if CONFIG_CIFS_FSCACHE is set cifs: Handle extended attribute name cifs_acl to generate cifs acl blob (try #4) cifs: Misc. cleanup in cifsacl handling [try #4] cifs: trivial comment fix for cifs_invalidate_mapping [CIFS] fs/cifs/Kconfig: CIFS depends on CRYPTO_HMAC cifs: don't take extra tlink reference in initiate_cifs_search cifs: Percolate error up to the caller during get/set acls [try #4] cifs: fix another memleak, in cifs_root_iget cifs: fix potential use-after-free in cifs_oplock_break_put
2010-12-02ftrace: Have recordmcount honor endianness in fn_ELF_R_INFOJohn Reiser
It looks to me like the change which introduced "virtual functions" forgot about cross-platform endianness. Thank you to Arnaud for supplying before+after data files do_mounts*.o. This fixes a MIPS build failure triggered by recordmcount. Reported-by: Arnaud Lacombe <lacombar@gmail.com> Tested-by: Arnaud Lacombe <lacombar@gmail.com> Acked-by: Wu Zhangjin <wuzhangjin@gmail.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: John Reiser <jreiser@BitWagon.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-12-02NFS: Fix a memory leak in nfs_readdirTrond Myklebust
We need to ensure that the entries in the nfs_cache_array get cleared when the page is removed from the page cache. To do so, we use the freepage address_space operation. Change nfs_readdir_clear_array to use kmap_atomic(), so that the function can be safely called from all contexts. Finally, modify the cache_page_release helper to call nfs_readdir_clear_array directly, when dealing with an anonymous page from 'uncached_readdir'. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-12-02Call the filesystem back whenever a page is removed from the page cacheLinus Torvalds
NFS needs to be able to release objects that are stored in the page cache once the page itself is no longer visible from the page cache. This patch adds a callback to the address space operations that allows filesystems to perform page cleanups once the page has been removed from the page cache. Original patch by: Linus Torvalds <torvalds@linux-foundation.org> [trondmy: cover the cases of invalidate_inode_pages2() and truncate_inode_pages()] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-12-02xen: unplug the emulated devices at resume timeStefano Stabellini
Early after being resumed we need to unplug again the emulated devices. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2010-12-02xen: fix save/restore for PV on HVM guests with pirq remappingStefano Stabellini
Re-map and re-bind all the pirqs at resume time. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2010-12-02xen: resume the pv console for hvm guests tooStefano Stabellini
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2010-12-02scripts/tags.sh: Add magic for trace-eventsPeter Zijlstra
Make tags find the trace-event definitions Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1290591835.2072.438.camel@laptop> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-12-02xen: fix MSI setup and teardown for PV on HVM guestsStefano Stabellini
When remapping MSIs into pirqs for PV on HVM guests, qemu is responsible for doing the actual mapping and unmapping. We only give qemu the desired pirq number when we ask to do the mapping the first time, after that we should be reading back the pirq number from qemu every time we want to re-enable the MSI. This fixes a bug in xen_hvm_setup_msi_irqs that manifests itself when trying to enable the same MSI for the second time: the old MSI to pirq mapping is still valid at this point but xen_hvm_setup_msi_irqs would try to assign a new pirq anyway. A simple way to reproduce this bug is to assign an MSI capable network card to a PV on HVM guest, if the user brings down the corresponding ethernet interface and up again, Linux would fail to enable MSIs on the device. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2010-12-02xen: use PHYSDEVOP_get_free_pirq to implement find_unbound_pirqStefano Stabellini
Use the new hypercall PHYSDEVOP_get_free_pirq to ask Xen to allocate a pirq. Remove the unsupported PHYSDEVOP_get_nr_pirqs hypercall to get the amount of pirq available. This fixes find_unbound_pirq that otherwise would return a number starting from nr_irqs that might very well be out of range in Xen. The symptom of this bug is that when you passthrough an MSI capable pci device to a PV on HVM guest, Linux would fail to enable MSIs on the device. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2010-12-02watchdog: it8712f_wdt: add note to KconfigWim Van Sebroeck
On some motherboards the it8712f watchdog does not work unless the game port was enabled. see Bug 13140. We therefor add a note to Kconfig. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-12-02watchdog: gef_wdt: include fs.hWolfram Sang & Martyn Welch
Add missing include "linux/fs.h". This fixes compile failure. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-12-02watchdog: bcm63xx_wdt: improve platform part.Wim Van Sebroeck
* fix devinit and devexit sections * fix platform removal code so that the iounmap happens after the removal of the timer. * changes the reboot_notifier by a platform shutdown method. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-12-02watchdog: iTCO_wdt: TCO Watchdog patch for Intel Patsburg PCHSeth Heasley
This patch adds an additional LPC Controller DeviceID for the Intel Patsburg PCH for TCO Watchdog. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-12-02ASoC: omap: N810: Don't select CONFIG_OMAP_MUX but make it as dependencyJarkko Nikula
Not all omap boards use kernel based pin multiplexing so CONFIG_SND_OMAP_SOC_N810 should not select it by default as it can make harm to other boards in multi-board kernels. Therefore put CONFIG_OMAP_MUX as a dependency to N810 ASoC machine driver. Thanks to Tony Lindgren <tony@atomide.com> for noticing. Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Cc: Tony Lindgren <tony@atomide.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-12-02HID: length resolution should be reported units/mmDmitry Torokhov
Input ABI requires reporting resolution on main axes in units per millimeter, not units per inch, so we need to convert accordingly. Tested-by: Nikolai Kondrashov <spbnick@gmail.com> Acked-by: Nikolai Kondrashov <spbnick@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-02ALSA: hda: Use "alienware" model quirk for another SSIDDaniel T Chen
BugLink: https://launchpad.net/bugs/683695 The original reporter states that headphone jacks do not appear to work. Upon inspecting his codec dump, and upon further testing, it is confirmed that the "alienware" model quirk is correct. Reported-and-tested-by: Cody Thierauf Cc: <stable@kernel.org> [2.6.32+] Signed-off-by: Daniel T Chen <crimsun@ubuntu.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-12-02intel_idle: recognize ARAT on WSM-EXLen Brown
We erroneously ignored the Always Running APIC Timer on WSM-EX. Move the check for ARAT down so that it can apply to any/all models. Signed-off-by: Len Brown <len.brown@intel.com>
2010-12-02[media] Don't export format_by_forcc on two different driversMauro Carvalho Chehab
Drivers should append their name on exported symbols, to avoid conflicts with allyesconfig: drivers/staging/built-in.o: In function `format_by_fourcc': /home/v4l/work_trees/linus/drivers/staging/cx25821/cx25821-video.c:96: multiple definition of `format_by_fourcc' drivers/media/built-in.o:/home/v4l/work_trees/linus/drivers/media/common/saa7146_video.c:88: first defined here Let's rename both occurences with a small shellscript: for i in drivers/staging/cx25821/*.[ch]; do sed s,format_by_fourcc,cx25821_format_by_fourcc,g <$i >a && mv a $i; done for i in drivers/media/common/saa7146*.[ch]; do sed s,format_by_fourcc,saa7146_format_by_fourcc,g <$i >a && mv a $i; done for i in include/media/saa7146*.[ch]; do sed s,format_by_fourcc,saa7146_format_by_fourcc,g <$i >a && mv a $i; done Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01Merge branches 'misc', 'mlx4' and 'nes' into for-nextRoland Dreier
2010-12-01IB: Fix information leak in marshalling codeVasiliy Kulikov
ib_ucm_init_qp_attr() and ucma_init_qp_attr() pass struct ib_uverbs_qp_attr with reserved, qp_state, {ah_attr,alt_ah_attr}{reserved,->grh.reserved} fields uninitialized to copy_to_user(). This leads to leaking of contents of kernel stack memory to userspace. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-12-01IB/pack: Remove some unused code added by the IBoE patchesOr Gerlitz
Remove unused functions added by commit ff7f5aab354d ("IB/pack: IBoE UD packet packing support"). Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
2010-12-01IB/mlx4: Fix IBoE link stateEli Cohen
Use netif_running() and netif_carrier_ok() to report link state, exactly as is done to report Ethernet link state in sysfs. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-12-01IB/mlx4: Fix IBoE reported link rateEli Cohen
The link rate is the product of the link speed in the link width. For Etherent ports the rate is 10G, so we use 1 for the width and 4 for speed to get the correct rate. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-12-01mlx4_core: Workaround firmware bug in query dev capEli Cohen
ConnectX firmware is supposed to report the number blue flame registers per page as log2 of the value. However, due to a firmware bug, it reports actual number. This patch works around this by checking if the number of registers calculated fits within a page. If it does not, we use 8 registers per page. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-12-01rbd: replace the rbd sysfs interfaceYehuda Sadeh
The new interface creates directories per mapped image and under each it creates a subdir per available snapshot. This allows keeping a cleaner interface within the sysfs guidelines. The ABI documentation was updated too. Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-01ceph: Behave better when handling file lock replies.Herb Shiu
Fill in the local lock with response data if appropriate, and don't call posix_lock_file when reading locks. Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com> Acked-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-01ceph: pass lock information by struct file_lock instead of as individual params.Herb Shiu
Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com> Acked-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-01ceph: Handle file locks in replies from the MDS.Herb Shiu
Previously the kernel client incorrectly assumed everything was a directory. Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com> Acked-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-01ceph: avoid possible null deref in readdir after dir llseekSage Weil
last may be NULL, but we dereference it in the else branch without checking. Normally it doesn't trigger because last == NULL when fpos == 2, but it could happen on a newly opened dir if the user seeks forward. Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Sage Weil <sage@newdream.net>
2010-12-01[media] uvcvideo: Convert to unlocked_ioctlLaurent Pinchart
The uvcvideo driver now locks all ioctls correctly on its own, the BKL isn't needed anymore. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01[media] uvcvideo: Lock stream mutex when accessing format-related informationLaurent Pinchart
The stream mutex protects access to the struct uvc_streaming ctrl, cur_format and cur_frame fields as well as to the hardware probe control. Lock it appropriately. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01[media] uvcvideo: Move mmap() handler to uvc_queue.cLaurent Pinchart
The mmap() implementation belongs to the video buffers queue, move it there. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01[media] uvcvideo: Move mutex lock/unlock inside uvc_free_buffersLaurent Pinchart
Callers outside uvc_queue.c should not be forced to lock/unlock the queue mutex manually. Move the mutex operations inside uvc_free_buffers(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01[media] uvcvideo: Lock controls mutex when querying menusLaurent Pinchart
uvc_find_control() must be called with the controls mutex locked. Fix uvc_query_v4l2_menu() accordingly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01[media] v4l2-dev: fix race conditionHans Verkuil
The unregister function had a race condition with the v4l2_open function. Ensure that both functions test and clear the REGISTER flag from within a critical section. Thanks to Laurent Pinchart for finding this race. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-12-01[media] V4L: improve the BKL replacement heuristicHans Verkuil
The BKL replacement mutex had some serious performance side-effects on V4L drivers. It is replaced by a better heuristic that works around the worst of the side-effects. Read the v4l2-dev.c comments for the whole sorry story. This is a temporary measure only until we can convert all v4l drivers to use unlocked_ioctl. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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