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* [PATCH] md: limit size of sb read/written to appropriate amountNeilBrown2005-09-09
| | | | | | | | | | | | | version-1 superblocks are not (normally) 4K long, and can be of variable size. Writing the full 4K can cause corruption (but only in non-default configurations). With this patch the super-block-flavour can choose a size to read, and set a size to write based on what it finds. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: remove old cruft from md_k.h header fileNeilBrown2005-09-09
| | | | | | | | These inlines haven't been used for ages, they should go. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: fix bitmap/read_sb_page so that it handles errors properly.NeilBrown2005-09-09
| | | | | | | | | | | | read_sb_page() assumed that if sync_page_io fails, the device would be marked faultly. However it isn't. So in the face of error, read_sb_page would loop forever. Redo the logic so that this cannot happen. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: allow md to load a superblock with feature-bit '1' setNeilBrown2005-09-09
| | | | | | | | | | As this is used to flag an internal bitmap. Also, introduce symbolic names for feature bits. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: allow hot-adding devices to arrays with non-persistant superblocks.NeilBrown2005-09-09
| | | | | | | | | | | | | | | It is possibly (and occasionally useful) to have a raid1 without persistent superblocks. The code in add_new_disk for adding a device to such an array always tries to read a superblock. This will obviously fail. So do the appropriate test and call md_import_device with appropriate args. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: do not set mddev->bitmap until bitmap is fully initialisedNeilBrown2005-09-09
| | | | | | | | | | | | When hot-adding a bitmap, bitmap_daemon_work could get called while the bitmap is being created, so don't set mddev->bitmap until the bitmap is ready. This requires freeing the bitmap inside bitmap_create if creation failed part-way through. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: make sure bitmap_daemon_work actually does work.NeilBrown2005-09-09
| | | | | | | | | The 'lastrun' time wasn't being initialised, so it could be half a jiffie-cycle before it seemed to be time to do work again. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: raid1_quiesce is back to front, fix it.NeilBrown2005-09-09
| | | | | | | | | | | A state of 0 mean 'not quiesced' A state of 1 means 'is quiesced' The original code got this wrong. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: support md/linear array with components greater than 2 terabytes.NeilBrown2005-09-09
| | | | | | | | | | | | | | | linear currently uses division by the size of the smallest componenet device to find which device a request goes to. If that smallest device is larger than 2 terabytes, then the division will not work on some systems. So we introduce a pre-shift, and take care not to make the hash table too large, much like the code in raid0. Also get rid of conf->nr_zones, which is not needed. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: add write-behind support for md/raid1NeilBrown2005-09-09
| | | | | | | | | | | | | | | | | | | If a device is flagged 'WriteMostly' and the array has a bitmap, and the bitmap superblock indicates that write_behind is allowed, then write_behind is enabled for WriteMostly devices. Write requests will be acknowledges as complete to the caller (via b_end_io) when all non-WriteMostly devices have completed the write, but will not be cleared from the bitmap until all devices complete. This requires memory allocation to make a local copy of the data being written. If there is insufficient memory, then we fall-back on normal write semantics. Signed-Off-By: Paul Clements <paul.clements@steeleye.com> Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: support write-mostly device in raid1NeilBrown2005-09-09
| | | | | | | | | This allows a device in a raid1 to be marked as "write mostly". Read requests will only be sent if there is no other option. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: all hot-add and hot-remove of md intent logging bitmapsNeilBrown2005-09-09
| | | | | | | | | | | | | | Both file-bitmaps and superblock bitmaps are supported. If you add a bitmap file on the array device, you lose. This introduces a 'default_bitmap_offset' field in mddev, as the ioctl used for adding a superblock bitmap doesn't have room for giving an offset. Later, this value will be setable via sysfs. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: improve handling of bitmap initialisation.NeilBrown2005-09-09
| | | | | | | | | | When we find a 'stale' bitmap, possibly because it is new, we should just assume every bit needs to be set, but rather base the setting of bits on the current state of the array (degraded and recovery_cp). Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: don't allow new md/bitmap file to be set if one already existsNeilBrown2005-09-09
| | | | | | | | ... otherwise we loose a reference and can never free the file. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] dm: fix rh_dec()/rh_inc() race in dm-raid1.cJun'ichi Nomura2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix another bug in dm-raid1.c that the dirty region may stay in or be moved to clean list and freed while in use. It happens as follows: CPU0 CPU1 ------------------------------------------------------------------------------ rh_dec() if (atomic_dec_and_test(pending)) <the region is still marked dirty> rh_inc() if the region is clean mark the region dirty and remove from clean list mark the region clean and move to clean list atomic_inc(pending) At this stage, the region is in clean list and will be mistakenly reclaimed by rh_update_states() later. Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: fail IO request to md that require a barrier.NeilBrown2005-09-09
| | | | | | | | | md does not yet support BIO_RW_BARRIER, so be honest about it and fail (-EOPNOTSUPP) any such requests. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] md: fix minor error in raid10 read-balancing calculation.NeilBrown2005-09-09
| | | | | | | | | | | | | 'this_sector' is a virtual (array) address while 'head_position' is a physical (device) address, so substraction doesn't make any sense. devs[slot].addr should be used instead of this_sector. However, this patch doesn't make much practical different to the read balancing due to the effects of later code. Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild Linus Torvalds2005-09-09
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| * kbuild: um fix so it compile with generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | um has it own set of files for asm-offsets. So for now the gen-asm-offset macro is just duplicated in the um Makefile. This may well be the final solution since um is a bit special compared to other architectures - time will tell. Also added a dummy arch/um/kernel/asm-offsets.h file to keep kbuild happy. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: frv,m32r,sparc64 introduce fake asm-offsets.h fileSam Ravnborg2005-09-09
| | | | | | | | | | | | | | Needed to get them to build. And a hint to avoid hardcoding to many constants in assembler. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: cris use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | | | | | Cris has a dedicated asm-offsets.c file per subarchitecture. So a symlink is created to put the desired asm-offsets.c file in $(ARCH)/kernel This is absolutely not good practice, but it was the trick used in the rest of the cris code. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: mips use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | | | Removed obsolete stuff from arch makefile. mips had a special rule for generating asm-offsets.h so preserved it using an architecture specific hook in top-level Kbuild file. Renamed .h file to asm-offsets.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: ia64 use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | | | Delete obsolete stuff from arch Makefile Rename file to asm-offsets.h The trick used in the arch Makefile to circumvent the circular dependency is kept. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: v850 use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | Deleted obsolete stuff from arch makefile Renamed .c file to asm-offsets.h Fix include of asm-offsets.h to use new name Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: alpha,x86_64 use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | Delete obsolete stuff from arch makefiles Rename .h file to asm-offsets.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: arm - use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | Delete obsoleted stuff from arch Makefile and rename constants.h to asm-offsets.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | Delete obsoleted parts form arch makefiles and rename to asm-offsets.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: arm26,sparc use generic asm-offset supportSam Ravnborg2005-09-09
| | | | | | | | | | | | Rename all includes to use asm-offsets.h to match generic name Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: h8300,m68knommu,sh,sh64 use generic asm-offsets.h supportSam Ravnborg2005-09-09
| | | | | | | | | | | | | | h8300, m68knommu, sh and sh64 all used the name asm-offsets.h so minimal changes required. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: full dependency check on asm-offsets.hSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Building asm-offsets.h has been moved to a seperate Kbuild file located in the top-level directory. This allow us to share the functionality across the architectures. The old rules in architecture specific Makefiles will die in subsequent patches. Furhtermore the usual kbuild dependency tracking is now used when deciding to rebuild asm-offsets.s. So we no longer risk to fail a rebuild caused by asm-offsets.c dependencies being touched. With this common rule-set we now force the same name across all architectures. Following patches will fix the rest. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | Remove "must_check" attributes in PCI-landLinus Torvalds2005-09-09
| | | | | | | | | | | | | | | | Don't just irritate all other kernel developers. Fix the users first, then you can re-introduce the must-check infrastructure to avoid new cases creeping in. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Preempt-safe RCU file usageLinus Torvalds2005-09-09
| | | | | | | | Fix up fs/compat.c fixes.
* | [PATCH] Update PCI IOMEM allocation startDaniel Ritz2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the problem with "Averatec 6240 pcmcia_socket0: unable to apply power", which was due to the CardBus IOMEM register region being allocated at an address that was actually inside the RAM window that had been reserved for video frame-buffers in an UMA setup. The BIOS _should_ have marked that region reserved in the e820 memory descriptor tables, but did not. It is fixed by rounding up the default starting address of PCI memory allocations, so that we leave a bigger gap after the final known memory location. The amount of rounding depends on how big the unused memory gap is that we can allocate IOMEM from. Based on example code by Linus. Acked-by: Greg KH <greg@kroah.com> Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 Linus Torvalds2005-09-09
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| * | [PATCH] PCI: Small rearrangement of PCI probing codePaul Mackerras2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes some small rearrangements of the PCI probing code in order to make it possible for arch code to set up the PCI tree without needing to duplicate code from the PCI layer unnecessarily. PPC64 will use this to set up the PCI tree from the Open Firmware device tree, which we need to do on logically-partitioned pSeries systems. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | [PATCH] PCI: Unhide SMBus on Compaq Evo N620cRumen Ivanov Zarev2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | Trivial patch against 2.6.13 to unhide SMBus on Compaq Evo N620c laptop using Intel 82855PM chipset. Signed-off-by: Rumen Zarev <rzarev@caltech.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | [PATCH] PCI: Fix PCI bus mastering enable problem in pciehpRajesh Shah2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Martin Franc reported that the pciehp driver was not enabling bus master capability on his hot-plugged card. pciehprm_enable_card() was updating the PCI command register only if _HPP indicated a value for SERR or PERR that was different from the current setting. I don't have hardware that reproduces this problem, but Martin reports that this patch fixes the problem for him. Signed-off-by: Rajesh Shah <rajesh.shah@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> From rzarev@its.caltech.edu Tue Sep 6 18:29:50 2005 Date: Tue, 6 Sep 2005 13:39:32 -0700 (PDT) From: Rumen Ivanov Zarev <rzarev@its.caltech.edu> Message-Id: <200509062039.j86KdWMr014934@inky.its.caltech.edu> To: gregkh@suse.de Subject: PCI: Unhide SMBus on Compaq Evo N620c Cc: linux-kernel@vger.kernel.org Trivial patch against 2.6.13 to unhide SMBus on Compaq Evo N620c laptop using Intel 82855PM chipset. Signed-off-by: Rumen Zarev <rzarev@caltech.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/pci/quirks.c | 6 ++++++ 1 file changed, 6 insertions(+) --- gregkh-2.6.orig/drivers/pci/quirks.c 2005-09-09 10:28:55.000000000 -0700 +++ gregkh-2.6/drivers/pci/quirks.c 2005-09-09 13:51:44.000000000 -0700 @@ -876,6 +876,12 @@ static void __init asus_hides_smbus_host case 0xC00C: /* Samsung P35 notebook */ asus_hides_smbus = 1; } + } else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ)) { + if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB) + switch(dev->subsystem_device) { + case 0x0058: /* Compaq Evo N620c */ + asus_hides_smbus = 1; + } } } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82845_HB, asus_hides_smbus_hostbridge );
| * | [PATCH] must_check attributes for PCI layer.Dave Jones2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Self explanatory really. Some newer gcc's print a warning if a function is used and we don't check its result. We do this for a bunch of things in the kernel already, this extends that to the PCI layer. Based on a patch originally from Arjan van de Ven. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * | [PATCH] PCI: move pci core to use add_hotplug_env_var()Greg Kroah-Hartman2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | This fixes a bug in the environment variables for all PCI device hotplug calls. Thanks to Kay Sievers for pointing out the problem. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | | Fix up lost patch in compat_sys_select() for new RCU files world orderLinus Torvalds2005-09-09
| | | | | | | | | | | | | | | | | | | | | Andrew lost this in patch reject resolution, and never noticed, since the compat code isn't in use on x86. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Linus Torvalds2005-09-09
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| * | | [IPV4] fib_trie: fix proc interfaceStephen Hemminger2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Create one iterator for walking over FIB trie, and use it for all the /proc functions. Add a /proc/net/route output for backwards compatibility with old applications. Make initialization of fib_trie same as fib_hash so no #ifdef is needed in af_inet.c Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=5209 Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6 David S. Miller2005-09-09
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| | * | | [CCID3] Introduce ccid3_hc_[rt]x_sk() for overal consistencyArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [DCCP] Introduce dccp_timestampArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To start the timestamps with 0.0ms, easing the integer maths in the CCIDs, this probably will be reworked to use the to be introduced struct timeval_offset infrastructure out of skb_get_timestamp, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [CCID3] Initialize more fields in ccid3_hc_rx_initArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The initialization of ccid3hcrx_rtt to 5ms is just a bandaid, I'll continue auditing the CCID3 HC rx codebase to fix this properly, probably I'll add a feedback timer as suggested in the CCID3 draft. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [CCID3] Make the ccid3hcrx_rtt calc look more like the ccid3hctx_rtt oneArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [CCID3] Use ELAPSED_TIME in the HC TX RTT estimationArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [DCCP] Give precedence to the biggest ELAPSED_TIMEArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can get this value in an TIMESTAMP_ECHO and/or in an ELAPSED_TIME option, if receiving both give precendence to the biggest one. In my tests they are very close if not equal at all times, so we may well think about removing the code in CCID3 that inserts this option and leaving this to the core, and perhaps even use just TIMESTAMP_ECHO including the elapsed time. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| | * | | [CCID3] Calculate ccid3hcrx_x_recv using usecs_divArnaldo Carvalho de Melo2005-09-09
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
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