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* Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2006-01-12
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| * [SERIAL] turn serial semaphores into mutexesArjan van de Ven2006-01-12
| | | | | | | | | | | | | | Turn several drivers/serial/ semaphores-used-as-mutex into mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2006-01-12
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| * | [MMC+MFD] Convert mmc to mutexesArjan van de Ven2006-01-12
| |/ | | | | | | | | | | | | convert mfd and mmc to mutexes Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [PATCH] Revert ide softirq handlingJens Axboe2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | There's a problem with the REQ_BLOCK_PC handling as well (bad ->data_len handling) where it could actually complete a request ahead of time. I suggest we just back this out for now, I will resubmit it later when I'm fully confident in it. This reverts commit 8672d57138b34447719cd7749f3d21070e1175a1 Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/hrtimer-2.6Linus Torvalds2006-01-12
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| * | [hrtimer] Enforce resolution as lower limit of intervalsThomas Gleixner2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | Roman Zippel pointed out that the missing lower limit of intervals leads to an accounting error in the overrun count. Enforce the lower limit of intervals to resolution in the timer forwarding code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | [hrtimer] Change resolution storage to ktime_t formatThomas Gleixner2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the storage format of the per base resolution to ktime_t to make it easier accessible in the hrtimers code. Change the resolution from (NSEC_PER_SEC/HZ) to TICK_NSEC as Roman pointed out. TICK_NSEC is closer to the real resolution. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | [hrtimer] Remove listhead from hrtimer structThomas Gleixner2006-01-12
| |/ | | | | | | | | | | | | | | | | | | The list_head in the hrtimer structure was introduced for easy access to the first timer with the further extensions of real high resolution timers in mind, but it turned out in the course of development that it is not necessary for the standard use case. Remove the list head and access the first expiry timer by a datafield in the timer base. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2006-01-12
|\ \ | | | | | | | | | | | | | | | | | | Fix up delete/modify conflict of arch/ppc/kernel/process.c by hand (it's gone, gone, gone). Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | powerpc: make ARCH=ppc use arch/powerpc/kernel/process.cPaul Mackerras2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 5388fb1025443ec223ba556b10efc4c5f83f8682 made signal_32.c use discard_lazy_cpu_state, which broke ARCH=ppc because that uses the common signal_32.c but has its own process.c. Make ARCH=ppc use the common process.c to fix this and to reduce the amount of duplicated code. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: cell namespace cleanupArnd Bergmann2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | These symbols are only used in the file that they are defined in, so they should not be in the global namespace. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: xmon namespace cleanupsArnd Bergmann2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | These symbols are only used in the file that they are defined in, so they should not be in the global namespace. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: pmac namespace cleanupArnd Bergmann2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | pmac_setup_arch is only used in the file that it is defined in, so it should not be in the global namespace. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: pseries namespace cleanupArnd Bergmann2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | These symbols are only used in the file that they are defined in, so they should not be in the global namespace. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: minor dart driver cleanupOlof Johansson2006-01-12
| | | | | | | | | | | | | | | | | | | | | Rpn is assigned every time in the loop, no need to increase it too. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: small pci cleanupsStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | pcibios_claim_one_bus is not needed on iSeries and phbs_remap_io can be mode static. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: clean up iommu.h a bitStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There was a function declared for CONFIG_PSERIES which no longer exists and the two function declarations for CONFIG_ISERIES have been moved into an include file in platforms/iseries since they are defined and used only there. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: iSeries fixes for build with no PCIStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts part of "ppc64 iSeries: allow build with no PCI" (145d01e4287b8cbf50f87c3283e33bf5c84e8468) which affected generic code and applies a fix in the arch specific code. Commit "partly merge iseries do_IRQ" (5fee9b3b39eb55c7e3619a3b36ceeabffeb8f144) introduced iSeries_get_irq which was only available if CONFIG_PCI is set. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powercp: iSeries include file comment cleanupsStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | | | | | | | Mainly just removing file names from the comments. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: eliminate bitfields from ItLpNacaStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: remove bitfields from HvLpEventStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: remove bitfields from hv_call_event.hStephen Rothwell2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | Also does some comment cleanups and removal of unnecessary variables. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: Fixed memory reserve map layoutKumar Gala2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | powerpc: Fixed memory reserve map layout The memory reserve map is suppose to be a pair of 64-bit integers to represent each region. On ppc32 the code was treating the pair as two 32-bit integers. Additional the prom_init code was producing the wrong layout on ppc32. Added a simple check to try to provide backwards compatibility. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: remove warning in EEH codeOlof Johansson2006-01-12
| | | | | | | | | | | | | | | | | | | | | | | | Remove warning in eeh code about mixed variables and code. Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] powerpc: Avoid potential FP corruption with preempt and UPPaul Mackerras2006-01-12
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Heikki Lindholm pointed out that there was a potential race with the lazy CPU state (FP, VR, EVR) stuff if preempt is enabled. The race is that in the process of restoring FP state on sigreturn, the task gets preempted by a user task that wants to use the FPU. It will take an FP unavailable exception, which will write the current FPU state to the thread_struct, overwriting the values which sigreturn has stored. Note that this can only happen on UP since we don't implement lazy CPU state on SMP. The fix is to flush the lazy CPU state before updating the thread_struct. To do this we re-use the flush_lazy_cpu_state() function from process.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | Merge git://oss.sgi.com:8090/oss/git/xfs-2.6Linus Torvalds2006-01-12
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| * \ Merge HEAD from oss.sgi.com:/oss/git/linux-2.6.git Nathan Scott2006-01-11
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| * | | [XFS] Fix follow_link when dealing with symlinks larger than 256 bytes. Nathan Scott2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Thanks to Yamamoto Takashi. SGI-PV: 947953 SGI-Modid: xfs-linux-melb:xfs-kern:24962a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Merge in trivial changes, sync up headers with userspaceNathan Scott2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | equivalents. SGI-PV: 907752 SGI-Modid: xfs-linux-melb:xfs-kern:24961a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Fix compiler warnings from older gcc versions wrt printfalikeNathan Scott2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arguments. SGI-PV: 907752 SGI-Modid: xfs-linux-melb:xfs-kern:24901a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Fix some build fallout from atime changes.Nathan Scott2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | SGI-PV: 946679 SGI-Modid: xfs-linux-melb:xfs-kern:24899a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] remove XFS_LOG_RES_DEBUG and turn on the res history all the time toTim Shimmin2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | get more useful error info on space for trans items SGI-PV: 947110 SGI-Modid: xfs-linux-melb:xfs-kern:24886a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] xfssyncd is responsible for flushing inode or device's data byYingping Lu2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | extracting the work from its queue. In addition, this processing also decrement the inode's i_count. If there are any remaining works in queue before this process terminates, we have unbalanced increment and decrement of i_count. Thus it can cause assertion failure of vn_count. The fix allows xyssyncd to process any remaining work before it is shutdown. SGI-PV: 945935 SGI-Modid: xfs-linux-melb:xfs-kern:203970a Signed-off-by: Yingping Lu <yingping@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] add helper to get xfs_inode from vnodeChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SGI-PV: 947206 SGI-Modid: xfs-linux-melb:xfs-kern:203960a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Fix up offset type inconsistencies and gcc warnings from earlierNathan Scott2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | changes. SGI-PV: 947038 SGI-Modid: xfs-linux-melb:xfs-kern:24875a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] fix up per-device xfsbufdChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SGI-PV: 947098 SGI-Modid: xfs-linux-melb:xfs-kern:203831a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] fix writeback control handling fix a reversed condition on where toChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | trylock and deal with block layer congestion properly. Patch from David Chinner and Christoph Hellwig. SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203830a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] cluster rewrites We can cluster mapped pages aswell, this improvesChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | performances on rewrites since we can reduce the number of allocator calls. SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203829a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] pass full 64bit offsets to xfs_add_to_ioendChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203828a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] consolidate some code in xfs_page_state_convert The unmapped bufferChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | case is very similar to delayed and unwritten extends. Reorganize the code to share some code for these cases. SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203827a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] various fixes for xfs_convert_page fix various bogusities inChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | handling offets From David Chinner and Christoph Hellwig SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203826a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] clean up the xfs_offset_to_map interface Currently we pass a structChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | page and a relative offset into that page around, and returns the current xfs_iomap_t if the block at the specified offset fits into it, or a NULL pointer otherwise. This patch passed the full 64bit offset into the inode that all callers have anyway, and changes the return value to a simple boolean. Also the function gets a more descriptive name: xfs_iomap_valid. SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203825a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] use pagevec lookups This reduces the time spend in the radix treeChristoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lookups and avoids unessecary look roundtrips. SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203823a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Export pagevec_lookup for use on the XFS page writeout path,Christoph Hellwig2006-01-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | for dealing with delayed allocate and unwritten extents (as well). Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Initial pass at going directly-to-bio on the buffered IO path. ThisChristoph Hellwig2006-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | allows us to submit much larger I/Os instead of sending down lots of small buffer_heads. To do this we need to have a rather complicated I/O submission and completion tracking infrastructure. Part of the latter has been merged already a long time ago for direct I/O support. Part of the problem is that we need to track sub-pagesize regions and for that we still need buffer_heads for the time beeing. Long-term I hope we can move to better data strucutures and/or maybe move this to fs/mpage.c instead of having it in XFS. Original patch from Nathan Scott with various updates from David Chinner and Christoph Hellwig. SGI-PV: 947118 SGI-Modid: xfs-linux-melb:xfs-kern:203822a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Complete the pagebuf -> xfs_buf naming convention transition,Nathan Scott2006-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | finally. SGI-PV: 947038 SGI-Modid: xfs-linux-melb:xfs-kern:24866a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Fixed delayed_blks assert failure during umount. The delayed_blksYingping Lu2006-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | was caused by ENOSPC but not Rreclaimed by xfs_release or xfs_inactive. The fix changed the condition in xfs_release and xfs_inactive to invoke xfs_inactive_free_eofblocks for this special case, changed xfs_inactive_free_eofblocks to clean the delayed blks after eof. It also changed xfs_write to set correct eof when ENOSPC occurs. SGI-PV: 946267 SGI-Modid: xfs-linux-melb:xfs-kern:203788a Signed-off-by: Yingping Lu <yingping@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] Introduce per-filesystem delwri pagebuf flushing to reduceDavid Chinner2006-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | contention between filesystems and prevent deadlocks between filesystems when a flush dependency exists between them. SGI-PV: 947098 SGI-Modid: xfs-linux-melb:xfs-kern:24844a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * | | [XFS] take out the call to vn_mark_bad() used when acl inherit fails andTim Shimmin2006-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | it needs to back out the inode creation. Tested by xfs_tests/077. SGI-PV: 930841 SGI-Modid: xfs-linux-melb:xfs-kern:24842a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>