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2012-07-14ixgbe: Simplify logic for getting traffic class from user priorityAlexander Duyck
This patch is meant to help simplify the logic for getting traffic classes from user priorities. To do this I am adding a function named ixgbe_dcb_get_tc_from_up that will go through the traffic classes in reverse order in order to determine which traffic class contains a bit for a given user priority. Adding a declaration for this new function to the header so that we have a centralized means for sorting out traffic classes belonging to features such as FCoE. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-07-14pinctrl: pinctrl-imx6q: add missed mux function for USBOTG_IDDong Aisheng
The original pin registers table is derived from u-boot mainline, but somehow it was found missing some mux functions for USBOTG_ID. We added it at the bottom by following the exist pin function ids, then it will not break the exist using of pin function id in dts file. Reported-by: Richard Zhao <richard.zhao@freescale.com> Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
2012-07-14pinctrl: pinctrl-imx: only print debug message when DEBUG is definedDong Aisheng
Fix regression for commit 3a86a5f8 (pinctrl: pinctrl-imx: free allocated pinctrl_map structure only once and use kernel facilities for IMX_PMX_DUMP) introduced in 3.5-rc3. With above commit, the debug code will alway be excuted. Change to excute it only when DEBUG is defined. Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-14Merge tag 'sound-3.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Containing the regression fixes for USB-audio due to the transition to the new streaming logic, mostly found on Logitech webcams." * tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: snd-usb: move calls to usb_set_interface ALSA: usb-audio: Fix the first PCM interface assignment
2012-07-14Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux Pull ACPI patch from Len Brown. * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: ACPICA: Fix possible fault in return package object repair code
2012-07-14vsyscall_64: add missing ifdef CONFIG_SECCOMPWill Drewry
vsyscall_seccomp introduced a dependency on __secure_computing. On configurations with CONFIG_SECCOMP disabled, compilation will fail. Reported-by: feng xiangjun <fengxj325@gmail.com> Signed-off-by: Will Drewry <wad@chromium.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-14Merge tag 'cpufreq-for-3.5-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull cpufreq fix from Rafael Wysocki: "This fixes a regression preventing the ACPI cpufreq driver from loading on some systems where it worked previously without any problems." * tag 'cpufreq-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq / ACPI: Fix not loading acpi-cpufreq driver regression
2012-07-14Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM Samsung SoC fixes from Arnd Bergmann. * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: S3C24XX: Correct CAMIF interrupt definitions ARM: S3C24XX: Correct AC97 clock control bit for S3C2440 ARM: SAMSUNG: fix race in s3c_adc_start for ADC ARM: SAMSUNG: Update default rate for xusbxti clock ARM: EXYNOS: register devices in 'need_restore' state for pm_domains ARM: EXYNOS: read initial state of power domain from hw registers
2012-07-14Merge branches 'core-urgent-for-linus', 'perf-urgent-for-linus' and ↵Linus Torvalds
'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU, perf, and scheduler fixes from Ingo Molnar. The RCU fix is a revert for an optimization that could cause deadlocks. One of the scheduler commits (164c33c6adee "sched: Fix fork() error path to not crash") is correct but not complete (some architectures like Tile are not covered yet) - the resulting additional fixes are still WIP and Ingo did not want to delay these pending fixes. See this thread on lkml: [PATCH] fork: fix error handling in dup_task() The perf fixes are just trivial oneliners. * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "rcu: Move PREEMPT_RCU preemption to switch_to() invocation" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf kvm: Fix segfault with report and mixed guestmount use perf kvm: Fix regression with guest machine creation perf script: Fix format regression due to libtraceevent merge ring-buffer: Fix accounting of entries when removing pages ring-buffer: Fix crash due to uninitialized new_pages list head * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS/sched: Update scheduler file pattern sched/nohz: Rewrite and fix load-avg computation -- again sched: Fix fork() error path to not crash
2012-07-14ACPICA: Fix possible fault in return package object repair codeBob Moore
Fixes a problem that can occur when a lone package object is wrapped with an outer package object in order to conform to the ACPI specification. Can affect these predefined names: _ALR,_MLS,_PSS,_TRT,_TSS,_PRT,_HPX,_DLM,_CSD,_PSD,_TSD https://bugzilla.kernel.org/show_bug.cgi?id=44171 This problem was introduced in 3.4-rc1 by commit 6a99b1c94d053b3420eaa4a4bc8b2883dd90a2f9 (ACPICA: Object repair code: Support to add Package wrappers) Reported-by: Vlastimil Babka <caster@gentoo.org> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Cc: <stable@vger.kernel.org> # 3.4 Signed-off-by: Len Brown <len.brown@intel.com>
2012-07-14VFS: Split inode_permission()David Howells
Split inode_permission() into inode- and superblock-dependent parts. This is aimed at unionmounts where the superblock from the upper layer has to be checked rather than the superblock from the lower layer as the upper layer may be writable, thus allowing an unwritable file from the lower layer to be copied up and modified. Original-author: Valerie Aurora <vaurora@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> (Further development) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14VFS: Pass mount flags to sget()David Howells
Pass mount flags to sget() so that it can use them in initialising a new superblock before the set function is called. They could also be passed to the compare function. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14VFS: Comment mount following codeDavid Howells
Add comments describing what the directions "up" and "down" mean and ref count handling to the VFS mount following family of functions. Signed-off-by: Valerie Aurora <vaurora@redhat.com> (Original author) Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errorsDavid Howells
copy_tree() can theoretically fail in a case other than ENOMEM, but always returns NULL which is interpreted by callers as -ENOMEM. Change it to return an explicit error. Also change clone_mnt() for consistency and because union mounts will add new error cases. Thanks to Andreas Gruenbacher <agruen@suse.de> for a bug fix. [AV: folded braino fix by Dan Carpenter] Original-author: Valerie Aurora <vaurora@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Cc: Valerie Aurora <valerie.aurora@gmail.com> Cc: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14VFS: Make chown() and lchown() call fchownat()David Howells
Make the chown() and lchown() syscalls jump to the fchownat() syscall with the appropriate extra arguments. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14do_dentry_open(): close the race with mark_files_ro() in failure exitAl Viro
we want to take it out of mark_files_ro() reach *before* we start checking if we ought to drop write access. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14mark_files_ro(): don't bother with mntget/mntputAl Viro
mnt_drop_write_file() is safe under any lock Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14notify_change(): check that i_mutex is heldAndrew Morton
Cc: Djalal Harouni <tixxdz@opendz.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs: add nd_jump_linkChristoph Hellwig
Add a helper that abstracts out the jump to an already parsed struct path from ->follow_link operation from procfs. Not only does this clean up the code by moving the two sides of this game into a single helper, but it also prepares for making struct nameidata private to namei.c Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs: move path_put on failure out of ->follow_linkChristoph Hellwig
Currently the non-nd_set_link based versions of ->follow_link are expected to do a path_put(&nd->path) on failure. This calling convention is unexpected, undocumented and doesn't match what the nd_set_link-based instances do. Move the path_put out of the only non-nd_set_link based ->follow_link instance into the caller. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14debugfs: get rid of useless arguments to debugfs_{mkdir,symlink}Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14debugfs: fold debugfs_create_by_name() into the only callerAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14debugfs: make sure that debugfs_create_file() gets used only for regularsAl Viro
It, debugfs_create_dir() and debugfs_create_link() use the common helper now. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14__d_unalias() should refuse to move mountpointsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14sysfs: just use d_materialise_unique()Al Viro
same as for nfs et.al. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14sysfs: switch to ->s_d_op and ->d_release()Al Viro
a) ->d_iput() is wrong here - what we do to inode is completely usual, it's dentry->d_fsdata that we want to drop. Just use ->d_release(). b) switch to ->s_d_op - no need to play with d_set_d_op() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14get rid of kern_path_parent()Al Viro
all callers want the same thing, actually - a kinda-sorta analog of kern_path_create(). I.e. they want parent vfsmount/dentry (with ->i_mutex held, to make sure the child dentry is still their child) + the child dentry. Signed-off-by Al Viro <viro@zeniv.linux.org.uk>
2012-07-14VFS: Fix the banner comment on lookup_open()David Howells
Since commit 197e37d9, the banner comment on lookup_open() no longer matches what the function returns. It used to return a struct file pointer or NULL and now it returns an integer and is passed the struct file pointer it is to use amongst its arguments. Update the comment to reflect this. Also add a banner comment to atomic_open(). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14don't pass nameidata * to vfs_create()Al Viro
all we want is a boolean flag, same as the method gets now Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14don't pass nameidata to ->create()Al Viro
boolean "does it have to be exclusive?" flag is passed instead; Local filesystem should just ignore it - the object is guaranteed not to be there yet. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs/namei.c: don't pass nameidata to __lookup_hash() and lookup_real()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14stop passing nameidata to ->lookup()Al Viro
Just the flags; only NFS cares even about that, but there are legitimate uses for such argument. And getting rid of that completely would require splitting ->lookup() into a couple of methods (at least), so let's leave that alone for now... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs/namei.c: don't pass namedata to lookup_dcache()Al Viro
just the flags... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs/namei.c: don't pass nameidata to d_revalidate()Al Viro
since the method wrapped by it doesn't need that anymore... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14stop passing nameidata * to ->d_revalidate()Al Viro
Just the lookup flags. Die, bastard, die... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs/nfs/dir.c: switch to passing nd->flags instead of nd wherever possibleAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14nfs_lookup_verify_inode() - nd is *always* non-NULL hereAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14switch nfs_lookup_check_intent() away from nameidataAl Viro
just pass the flags Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14do_dentry_open(): take initialization of file->f_path to callerAl Viro
... and get rid of a couple of arguments and a pointless reassignment in finish_open() case. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fold __dentry_open() into its sole callerAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14switch do_dentry_open() to returning intAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14make finish_no_open() return intAl Viro
namely, 1 ;-) That's what we want to return from ->atomic_open() instances after finish_no_open(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14fs/namei.c: get do_last() and friends return intAl Viro
Same conventions as for ->atomic_open(). Trimmed the forest of labels a bit, while we are at it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14kill struct opendataAl Viro
Just pass struct file *. Methods are happier that way... There's no need to return struct file * from finish_open() now, so let it return int. Next: saner prototypes for parts in namei.c Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14kill opendata->{mnt,dentry}Al Viro
->filp->f_path is there for purpose... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14make ->atomic_open() return intAl Viro
Change of calling conventions: old new NULL 1 file 0 ERR_PTR(-ve) -ve Caller *knows* that struct file *; no need to return it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14don't modify od->filp at allAl Viro
make put_filp() conditional on flag set by finish_open() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14->atomic_open() prototype change - pass int * instead of bool *Al Viro
... and let finish_open() report having opened the file via that sucker. Next step: don't modify od->filp at all. [AV: FILE_CREATE was already used by cifs; Miklos' fix folded] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14vfs: move O_DIRECT check to common codeMiklos Szeredi
Perform open_check_o_direct() in a common place in do_last after opening the file. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-07-14vfs: do_last(): clean up retryMiklos Szeredi
Move the lookup retry logic to the bottom of the function to make the normal case simpler to read. Reported-by: David Howells <dhowells@redhat.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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