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2011-05-10nilfs2: implement resize ioctlRyusuke Konishi7-5/+189
This adds resize ioctl which makes online resize possible. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: add truncation routine of segment usage fileRyusuke Konishi1-0/+112
When shrinking the filesystem, segments to be truncated must be test if they are busy or not, and unneeded sufile block should be deleted. This adds routines for the truncation. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: add routine to move secondary super blockRyusuke Konishi1-0/+57
After resizing the filesystem, the secondary super block must be moved to a new location. This adds a helper function for this. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: add ioctl which limits range of segment to be allocatedRyusuke Konishi4-10/+100
This adds a new ioctl command which limits range of segment to be allocated. This is intended to gather data whithin a range of the partition before shrinking the filesystem, or to control new log location for some purpose. If a range is specified by the ioctl, segment allocator of nilfs tries to allocate new segments from the range unless no free segments are available there. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: zero fill unused portion of super root blockRyusuke Konishi2-2/+15
The super root block is newly-allocated each time it is written back to disk, so unused portion of the block should be cleared. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: super root size should change depending on inode sizeRyusuke Konishi3-3/+6
The size of super root structure depends on inode size, so NILFS_SR_BYTES macro should be a function of the inode size. This fixes the issue. Even though a different size value will be written for a possible future filesystem with extended inode, but fortunately this does not break disk format compatibility. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: get rid of private page allocatorRyusuke Konishi6-207/+18
Previously, nilfs was cloning pages for mmapped region to freeze their data and ensure consistency of checksum during writeback cycles. A private page allocator was used for this page cloning. But, we no longer need to do that since clear_page_dirty_for_io function sets up pte so that vm_ops->page_mkwrite function is called right before the mmapped pages are modified and nilfs_page_mkwrite function can safely wait for the pages to be written back to disk. So, this stops making a copy of mmapped pages during writeback, and eliminates the private page allocation and deallocation functions from nilfs. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: merge list_del()/list_add_tail() to list_move_tail()Nicolas Kaiser2-6/+3
Merge list_del() + list_add_tail() to list_move_tail(). Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-10nilfs2: fix infinite loop in nilfs_palloc_freev functionRyusuke Konishi1-1/+1
After having applied commit 9954e7af14868b8b ("nilfs2: add free entries count only if clear bit operation succeeded"), a free routine of nilfs came to fall into an infinite loop, outputting the same message endlessly: nilfs_palloc_freev: entry number 29497 already freed nilfs_palloc_freev: entry number 29497 already freed nilfs_palloc_freev: entry number 29497 already freed nilfs_palloc_freev: entry number 29497 already freed nilfs_palloc_freev: entry number 29497 already freed ... That patch broke the routine so that a loop counter is never updated in an abnormal state. This fixes the regression. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2011-05-09Linux 2.6.39-rc7v2.6.39-rc7Linus Torvalds1-1/+1
2011-05-09vm: fix vm_pgoff wrap in upward expansionHugh Dickins1-4/+7
Commit a626ca6a6564 ("vm: fix vm_pgoff wrap in stack expansion") fixed the case of an expanding mapping causing vm_pgoff wrapping when you had downward stack expansion. But there was another case where IA64 and PA-RISC expand mappings: upward expansion. This fixes that case too. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09Merge branch 'drm-intel-fixes' of ↵Linus Torvalds3-7/+23
git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6 * 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6: drm/i915/lvds: Only act on lid notify when the device is on drm/i915: fix intel_crtc_clock_get pipe reads after "cleanup cleanup" drm/i915: Only enable the plane after setting the fb base (pre-ILK) drm/i915/dp: Be paranoid in case we disable a DP before it is attached drm/i915: Release object along create user fb error path
2011-05-09Don't lock guardpage if the stack is growing upMikulas Patocka3-15/+37
Linux kernel excludes guard page when performing mlock on a VMA with down-growing stack. However, some architectures have up-growing stack and locking the guard page should be excluded in this case too. This patch fixes lvm2 on PA-RISC (and possibly other architectures with up-growing stack). lvm2 calculates number of used pages when locking and when unlocking and reports an internal error if the numbers mismatch. [ Patch changed fairly extensively to also fix /proc/<pid>/maps for the grows-up case, and to move things around a bit to clean it all up and share the infrstructure with the /proc bits. Tested on ia64 that has both grow-up and grow-down segments - Linus ] Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Tested-by: Tony Luck <tony.luck@gmail.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09Merge branch 'for_linus' of ↵Linus Torvalds3-43/+150
git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: eeepc-laptop: Use ACPI handle to identify rfkill port [PATCH] sony-laptop: limit brightness range to DSDT provided ones sony-laptop: report failures on setting LCD brightness thinkpad-acpi: module autoloading for newer Lenovo ThinkPads.
2011-05-09drm/i915/lvds: Only act on lid notify when the device is onAlex Williamson1-0/+3
If we're using vga switcheroo, the device may be turned off and poking it can return random state. This provokes an OOPS fixed separately by 8ff887c847 (drm/i915/dp: Be paranoid in case we disable a DP before it is attached). Trying to use and respond to events on a device that has been turned off by the user is in principle a silly thing to do. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: Keith Packard <keithp@keithp.com>
2011-05-09drm/i915: fix intel_crtc_clock_get pipe reads after "cleanup cleanup"Chris Wilson1-2/+2
Despite the fixes in 548f245ba6a31 (drm/i915: fix per-pipe reads after "cleanup"), we missed one neighbouring read that was mistakenly replaced with the reg value in 9db4a9c (drm/i915: cleanup per-pipe reg usage). This was preventing us from correctly determining the mode the BIOS left the panel in for machines that neither have an OpRegion nor access to the VBT, (e.g. the EeePC 700). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: stable@kernel.org Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-05-09drm/i915: Only enable the plane after setting the fb base (pre-ILK)Chris Wilson1-2/+0
When enabling the plane, it is helpful to have already pointed that plane to valid memory or else we may incur the wrath of a PGTBL_ER. This code preserved the behaviour from the bad old days for unknown reasons... Found by assert_fb_bound_for_plane(). References: https://bugs.freedesktop.org/show_bug.cgi?id=36246 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-05-09Merge branch 'fix/asoc' of ↵Linus Torvalds2-11/+16
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ASoC: Fix CODEC DAI names for Goni ASoC: Fix CODEC name in Goni davinci-mcasp: fix _CBM_CFS pin directions davinci-mcasp: fix _CBM_CFS hw_params davinci-mcasp: use bitfield definitions for PDIR ASoC: davinci-mcasp: correct tdm_slots limit
2011-05-09Merge branch 'drm-fixes' of ↵Linus Torvalds7-13/+41
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: add pci id to acer travelmate quirk for 5730 drm/radeon: fix order of doing things in radeon_crtc_cursor_set drm: mm: fix debug output drm/radeon/kms: ATPX switcheroo fixes drm/nouveau: Fix a crash at card takedown for NV40 and older cards
2011-05-09Merge branch 'hpfs'Linus Torvalds15-793/+730
* hpfs: HPFS: Remove unused variable HPFS: Move declaration up, so that there are no out-of-scope pointers HPFS: Fix some unaligned accesses HPFS: Fix endianity. Make hpfs work on big-endian machines HPFS: Implement fsync for hpfs HPFS: Fix a bug that filesystem was not marked dirty when remounting it HPFS: Restrict uid and gid to 16-bit values HPFS: When marking or clearing the dirty bit, sync the filesystem HPFS: Use types with defined width HPFS: Remove mark_inode_dirty HPFS: Remove CR/LF conversion option HPFS: Remove remaining locks HPFS: Introduce a global mutex and lock it on every callback from VFS. HPFS: Make HPFS compile on preempt and SMP
2011-05-09HPFS: Remove unused variableMikulas Patocka1-4/+0
Remove unused variable Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Move declaration up, so that there are no out-of-scope pointersMikulas Patocka1-1/+1
Move declaration up, so that there are no out-of-scope pointers Reported-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Fix some unaligned accessesMikulas Patocka3-24/+32
Fix some unaligned accesses Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Fix endianity. Make hpfs work on big-endian machinesMikulas Patocka11-418/+498
Fix endianity. Make hpfs work on big-endian machines. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Implement fsync for hpfsMikulas Patocka1-2/+2
Implement fsync for hpfs. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Fix a bug that filesystem was not marked dirty when remounting itMikulas Patocka1-8/+8
Fix a bug that filesystem was not marked dirty when remounting it Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Restrict uid and gid to 16-bit valuesMikulas Patocka1-0/+4
Restrict uid and gid to 16-bit values. HPFS stores only 2 bytes in the EAs. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: When marking or clearing the dirty bit, sync the filesystemMikulas Patocka1-0/+3
When marking or clearing the dirty bit, sync the filesystem Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Use types with defined widthMikulas Patocka1-112/+107
Use types with defined width Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Remove mark_inode_dirtyMikulas Patocka1-3/+0
Remove mark_inode_dirty HPFS doesn't use kernel's dirty inode indicator anyway because writing an inode requires directory's mutex. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Remove CR/LF conversion optionMikulas Patocka6-75/+7
Remove CR/LF conversion option It is unused anyway. It was used on 2.2 kernels or so. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Remove remaining locksMikulas Patocka9-155/+50
Remove remaining locks Because of a new global per-fs lock, no other locks are needed Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Introduce a global mutex and lock it on every callback from VFS.Mikulas Patocka4-18/+51
Introduce a global mutex and lock it on every callback from VFS. Performance doesn't matter, reviewing the whole code for locking correctness would be too complicated, so simply lock it all. Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09HPFS: Make HPFS compile on preempt and SMPMikulas Patocka2-6/+0
Make HPFS compile on preempt and SMP Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-09eeepc-laptop: Use ACPI handle to identify rfkill portMatthew Garrett1-16/+41
The ACPI notification we get from rfkill events on these machines gives us all the information we need to identify the port that's changed. Do so rather than assuming that it's always bus 1. Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-05-09[PATCH] sony-laptop: limit brightness range to DSDT provided onesMattia Dongili1-24/+103
The new style brightness control provides an operating range of 9 values (seems consistent over a large number of models sharing the same brightness control methods). Read and use the minimum and maximum values to limit the backlight interface between those boundaries. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-05-09sony-laptop: report failures on setting LCD brightnessMattia Dongili1-2/+3
Check if we were successful in setting the requested brightness and report failure in that case. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-05-09thinkpad-acpi: module autoloading for newer Lenovo ThinkPads.Manoj Iyer1-2/+4
The newer Lenovo ThinkPads have HKEY HID of LEN0068 instead of IBM0068. Added new HID so that thinkpad_acpi module will auto load on these newer Lenovo ThinkPads. Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: stable@kernel.org Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com> Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-05-09drm/radeon/kms: add pci id to acer travelmate quirk for 5730Alex Deucher1-2/+2
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=34082 Reported by: Sampo Laaksonen <zhamahn@gmail.com> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-05-09drm/radeon: fix order of doing things in radeon_crtc_cursor_setIlija Hadzic1-3/+3
if object pin or object lookup in radeon_cursor_set fail, the function could leave inconsistent mouse width and hight values in radeon_crtc fixed by moving cursor width and height assignments after all checks have passed Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com> Reviewed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-05-09drm: mm: fix debug outputDaniel Vetter2-4/+4
The looping helper didn't do anything due to a superficial semicolon. Furthermore one of the two dump functions suffered from copy&paste fail. While staring at the code I've also noticed that the replace helper (currently unused) is a bit broken. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-05-09Merge remote branch 'nouveau/drm-nouveau-fixes' of /ssd/git/drm-nouveau-next ↵Dave Airlie2-2/+5
into drm-fixes * 'nouveau/drm-nouveau-fixes' of /ssd/git/drm-nouveau-next: drm/nouveau: Fix a crash at card takedown for NV40 and older cards
2011-05-09drm/radeon/kms: ATPX switcheroo fixesAlex Deucher1-2/+27
When we switch the display mux, also switch the i2c mux. Also use the start and finish methods to let the sbios know that the switch is happening. Should fix: https://bugs.freedesktop.org/show_bug.cgi?id=35398 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-05-09drm/nouveau: Fix a crash at card takedown for NV40 and older cardsJimmy Rentz2-2/+5
NV40 and older cards (pre NV50) reserve a vram bo for the vga memory at card init. This bo is then freed at card shutdown. The problem is that the ttm bo vram manager was already freed. So a crash occurs when the vga bo is freed. The fix is to free the vga bo prior to freeing the ttm bo vram manager. There might be other solutions but this seemed the simplest to me. Signed-off-by: Jimmy Rentz <jb17bsome@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2011-05-07Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds10-54/+144
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf tools: Makefile: Use gcc to determine ARCH perf events, x86: Fix Intel Nehalem and Westmere last level cache event definitions hw_breakpoints, powerpc: Fix CONFIG_HAVE_HW_BREAKPOINT off-case in ptrace_set_debugreg() sh, hw_breakpoints: Fix racy access to ptrace breakpoints arm, hw_breakpoints: Fix racy access to ptrace breakpoints powerpc, hw_breakpoints: Fix racy access to ptrace breakpoints x86, hw_breakpoints: Fix racy access to ptrace breakpoints ptrace: Prepare to fix racy accesses on task breakpoints
2011-05-07perf tools: Makefile: Use gcc to determine ARCHLin Ming1-6/+10
The original Makefile uses "uname -m" to determine ARCH. This causes problem on x86 when compile perf tool on 32 bit userspace with a 64 bit kernel. bench/../../../arch/x86/lib/memcpy_64.S: Assembler messages: bench/../../../arch/x86/lib/memcpy_64.S:28: Error: bad register name `%rdi' This is because "uname -m" returns x86_64 and memcpy_64.S is included in 32 bit build. Reported-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Link: http://lkml.kernel.org/r/1304743274.3132.17.camel@localhost Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2-68/+71
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: handle errors from coalesce_t2 cifs: refactor mid finding loop in cifs_demultiplex_thread cifs: sanitize length checking in coalesce_t2 (try #3) cifs: check for bytes_remaining going to zero in CIFS_SessSetup cifs: change bleft in decode_unicode_ssetup back to signed type
2011-05-06Regression: partial revert "tracing: Remove lock_depth from event entry"Arjan van de Ven3-0/+3
This partially reverts commit e6e1e2593592a8f6f6380496655d8c6f67431266. That commit changed the structure layout of the trace structure, which in turn broke PowerTOP (1.9x generation) quite badly. I appreciate not wanting to expose the variable in question, and PowerTOP was not using it, so I've replaced the variable with just a padding field - that way if in the future a new field is needed it can just use this padding field. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds1-1/+6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] fix oops in scsi_run_queue()
2011-05-06Validate size of EFI GUID partition entries.Timo Warns1-0/+6
Otherwise corrupted EFI partition tables can cause total confusion. Signed-off-by: Timo Warns <warns@pre-sense.de> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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