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2007-10-16libata: convert to using sg helpersJens Axboe
This converts libata to using the sg helpers for looking up sg elements, instead of doing it manually. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16SCSI: support for allocating large scatterlistsJens Axboe
This is what enables large commands. If we need to allocate an sgtable that doesn't fit in a single page, allocate several SCSI_MAX_SG_SEGMENTS sized tables and chain them together. SCSI defaults to large chained sg tables, if the arch supports it. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16scsi: simplify scsi_free_sgtable()Jens Axboe
Just pass in the command, no point in passing in the scatterlist and scatterlist pool index seperately. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16use sg helper function in DMA mapping documentationsaeed bishara
Signed-off-by: Saeed Bishara <saeed.bishara@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16ll_rw_blk: temporarily enable max_segments tweakingJens Axboe
Expose this setting for now, so that users can play with enabling large commands without defaulting it to on globally. This is a debug patch, it will be dropped for the final versions. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16Add chained sg support to linux/scatterlist.hJens Axboe
The core of the patch - allow the last sg element in a scatterlist table to point to the start of a new table. We overload the LSB of the page pointer to indicate whether this is a valid sg entry, or merely a link to the next list. Includes a fix from Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> correcting the ifdef ARCH_HAS_SG_CHAIN guarding sg_last(). Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16scsi: convert to using sg helpersJens Axboe
This converts the SCSI mid layer to using the sg helpers for looking up sg elements, instead of doing it manually. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16block: convert to using sg helpersJens Axboe
Convert the main rq mapper (blk_rq_map_sg()) to the sg helper setup. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16Add sg helpers for iterating over a scatterlist tableJens Axboe
First step to being able to change the scatterlist setup without having to modify drivers (a lot :-) Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16crypto: don't pollute the global namespace with sg_next()Jens Axboe
It's a subsystem function, prefix it as such. Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16pktcdvd: don't rely on bio_init() preserving bio->bi_destructorLaurent Riffard
Signed-off-by: Laurent Riffard <laurent.riffard@free.fr> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16pktcdvd: don't rely on bio_init() preserving bio->bi_io_vecJens Axboe
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16remove ide_get_error_location()Adrian Bunk
Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16block: convert blkdev_issue_flush() to use empty barriersJens Axboe
Then we can get rid of ->issue_flush_fn() and all the driver private implementations of that. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16block: Initial support for data-less (or empty) barrier supportJens Axboe
This implements functionality to pass down or insert a barrier in a queue, without having data attached to it. The ->prepare_flush_fn() infrastructure from data barriers are reused to provide this functionality. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16block: factor our bio_check_eod()Jens Axboe
End of device check is done twice in __generic_make_request() and it's fully inlined each time. Factor out bio_check_eod(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16block: add end_queued_request() and end_dequeued_request() helpersJens Axboe
We can use this helper in the elevator core for BLKPREP_KILL, and it'll also be useful for the empty barrier patch. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16bio: make freeing of ->bi_io_vec conditional in bio_free()Jens Axboe
The empty barrier patches do not carry data, so they have no iovec attached. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16bio: use memset() in bio_init()Jens Axboe
Use memset() to clear the bio, instead of doing each field manually. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-16block: ll_rw_blk.c: cosmeticsJens Axboe
Fix ?: construct, a typo, whitespace, and similar. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-15Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits) [ARM] 4578/1: CM-x270: PCMCIA support [ARM] 4577/1: ITE 8152 PCI bridge support [ARM] 4576/1: CM-X270 machine support [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put() [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols [ARM] pxa: PXA3xx base support [NET] smc91x: fix PXA DMA support code [SERIAL] Fix console initialisation ordering [ARM] pxa: tidy up arch/arm/mach-pxa/Makefile [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils [ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23) [ARM] Rename consistent_sync() as dma_cache_maint() [ARM] 4572/1: ep93xx: add cirrus logic edb9307 support [ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32 [ARM] 4594/1: ns9xxx: use the new gpio functions [ARM] 4593/1: ns9xxx: implement generic clockevents ...
2007-10-15Merge branch 'locks' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'locks' of git://linux-nfs.org/~bfields/linux: nfsd: remove IS_ISMNDLCK macro Rework /proc/locks via seq_files and seq_list helpers fs/locks.c: use list_for_each_entry() instead of list_for_each() NFS: clean up explicit check for mandatory locks AFS: clean up explicit check for mandatory locks 9PFS: clean up explicit check for mandatory locks GFS2: clean up explicit check for mandatory locks Cleanup macros for distinguishing mandatory locks Documentation: move locks.txt in filesystems/ locks: add warning about mandatory locking races Documentation: move mandatory locking documentation to filesystems/ locks: Fix potential OOPS in generic_setlease() Use list_first_entry in locks_wake_up_blocks locks: fix flock_lock_file() comment Memory shortage can result in inconsistent flocks state locks: kill redundant local variable locks: reverse order of posix_locks_conflict() arguments
2007-10-15Merge branch 'release' of ↵Linus Torvalds
ssh://master.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of ssh://master.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] build fix for scatterlist
2007-10-15[libata] pata_cs5536: new API build fixJeff Garzik
This driver was using hooks that were very recently removed. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2007-10-15Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits) [IPV6]: Consolidate the ip6_pol_route_(input|output) pair [TCP]: Make snd_cwnd_cnt 32-bit [TCP]: Update the /proc/net/tcp documentation [NETNS]: Don't panic on creating the namespace's loopback [NEIGH]: Ensure that pneigh_lookup is protected with RTNL [INET]: kmalloc+memset -> kzalloc in frag_alloc_queue [ISDN]: Fix compile with CONFIG_ISDN_X25 disabled. [IPV6]: Replace sk_buff ** with sk_buff * in input handlers [SELINUX]: Update for netfilter ->hook() arg changes. [INET]: Consolidate the xxx_put [INET]: Small cleanup for xxx_put after evictor consolidation [INET]: Consolidate the xxx_evictor [INET]: Consolidate the xxx_frag_destroy [INET]: Consolidate xxx_the secret_rebuild [INET]: Consolidate the xxx_frag_kill [INET]: Collect common frag sysctl variables together [INET]: Collect frag queues management objects together [INET]: Move common fields from frag_queues in one place. [TG3]: Fix performance regression on 5705. [ISDN]: Remove local copy of device name to make sure renames work. ...
2007-10-15Map volume and brightness events on thinkpadsJeremy Katz
There are standard keycodes for brightness and volume; map the events to emit them so that things work properly Signed-off-by: Jeremy Katz <katzj@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-15[IA64] build fix for scatterlistTony Luck
include/scsi/scsi_eh.h:79: error: field `sense_sgl' has incomplete type x86 resolves this by including scatterlist.h from dma-mapping.h which seems as good a place as any. Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-10-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (40 commits) Input: use full RCU API Input: remove tsdev interface Input: add support for Blackfin BF54x Keypad controller Input: appletouch - another fix for idle reset logic HWMON: hdaps - switch to using input-polldev Input: add support for SEGA Dreamcast keyboard Input: omap-keyboard - don't pretend we support changing keymap Input: lifebook - fix X and Y axis range Input: usbtouchscreen - add support for GeneralTouch devices Input: fix open count handling in input interfaces Input: keyboard - add CapsShift lock Input: adbhid - produce all CapsLock key events Input: ALPS - add signature for ThinkPad R61 Input: jornada720_kbd - send MSC_SCAN events Input: add support for the HP Jornada 7xx (710/720/728) touchscreen Input: add support for HP Jornada 7xx onboard keyboard Input: add support for HP Jornada onboard keyboard (HP6XX) Input: ucb1400_ts - use schedule_timeout_uninterruptible Input: xpad - fix dependancy on LEDS class Input: auto-select INPUT for MAC_EMUMOUSEBTN option ... Resolved conflicts manually in drivers/hwmon/applesmc.c: converting from a class device to a device and converting to use input-polldev created a few apparently trivial clashes..
2007-10-15Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] pata_pcmcia: Add additional id string (corsair, 1GB) libata: prevent devices with blank model names from being DMA blacklisted ata_piix: SATA 2port controller port map fix pata_cs5536: ATA driver for Geode companion chip libata: add ST9160821AS / 3.CCD to NCQ blacklist libata: fix revalidation issuing after configuration commands [libata] sata_nv: add SW NCQ support for MCP51/MCP55/MCP61 [libata] pata_sil680: Add MMIO support
2007-10-15Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (35 commits) xen-netfront: rearrange netfront structure to separate tx and rx netdev: convert non-obvious instances to use ARRAY_SIZE() ucc_geth: Fix build break introduced by commit 09f75cd7bf13720738e6a196cc0107ce9a5bd5a0 gianfar: Fix regression caused by new napi interface gianfar: Cleanup compile warning caused by 0795af57 gianfar: Fix compile regression caused by bea3348e add new prom.h for AU1x00 update AU1000 get_ethernet_addr() MIPSsim: General cleanup Jazzsonic: Fix warning about unused variable. Remove msic_dcr_read() in axon_msi.c Use dcr_host_t.base in dcr_unmap() Add dcr_host_t.base in dcr_read()/dcr_write() Use dcr_host_t.base in ibm_emac_mal Update ibm_newemac to use dcr_host_t.base tehuti: possible leak in bdx_probe TC35815: Fix build SAA9730: Fix build AR7 ethernet myri10ge: update driver version to 1.3.2-1.287 ...
2007-10-15xen-netfront: rearrange netfront structure to separate tx and rxJeremy Fitzhardinge
Keep tx and rx elements separate on different cachelines to prevent bouncing. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Acked-by: Jeff Garzik <jgarzik@pobox.com> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-15Atari keyboard: incorporate additional review commentsGeert Uytterhoeven
Atari keyboard: incorporate additional review comments: o Kill reference to source file name o Return error value from input_register_device() instead of -ENOMEM Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Michael Schmitz <schmitz@biophys.uni-duesseldorf.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-15[IPV6]: Consolidate the ip6_pol_route_(input|output) pairPavel Emelyanov
The difference in both functions is in the "id" passed to the rt6_select, so just pass it as an extra argument from two outer helpers. This is minus 60 lines of code and 360 bytes of .text Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[TCP]: Make snd_cwnd_cnt 32-bitIlpo Järvinen
Very little point of having 32-bit snd_cnwd if this is not 32-bit as well, as a number of snd_cwnd incrementation formulas assume that snd_cwnd_cnt can be at least as large as snd_cwnd. Whether 32-bit is useful was discussed when e0ef57cc56c3c96 was made: http://marc.info/?l=linux-netdev&m=117218144409825&w=2 Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[TCP]: Update the /proc/net/tcp documentationJean Delvare
* Say that this interface is deprecated. * Update function name references to match the current code. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15netdev: convert non-obvious instances to use ARRAY_SIZE()Alejandro Martinez Ruiz
This will convert remaining non-obvious or naive calculations of array sizes to use ARRAY_SIZE() macro. Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-15[NETNS]: Don't panic on creating the namespace's loopbackPavel Emelyanov
When the loopback device is failed to initialize inside the new namespaces, panic() is called. Do not do it when the namespace in question is not the init_net. Plus cleanup the error path a bit. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15Reinstate lost flush_ioremap_region() fix to pxa2xx-flash driverLinus Torvalds
Commit 90833fdab89da02fc0276224167f0a42e5176f41 ("[ARM] 4554/1: replace consistent_sync() with flush_ioremap_region()") introduced a new "flush_ioremap_region()" function to be used by the MTD mainstone-flash and lubbock-flash drivers to fix a regression from around 2.6.18. Those drivers were independently merged into a single driver by Todd Poynor in commit e644f7d6289456657996df4192de76c5d0a9f9c7 ("[MTD] MAPS: Merge Lubbock and Mainstone drivers into common PXA2xx driver") Later, those two commits were merged into the main MTD tree by commit b160292cc216a50fd0cd386b0bda2cd48352c73b ("Merge Linux 2.6.23") by David Woodhouse, but in that merge, the fix to use flush_iomap_region() got lost (as it was to files that now no longer existed). This reinstates the fix in the new driver. Noticed-by: Russell King <rmk@arm.linux.org.uk> Tested-and-acked-by: Nicolas Pitre <nico@cam.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jared Hulbert <jaredeh@gmail.com> Cc: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-15[NEIGH]: Ensure that pneigh_lookup is protected with RTNLPavel Emelyanov
The pnigh_lookup is used to lookup proxy entries and to create them in case lookup failed. However, the "creation" code does not perform the re-lookup after GFP_KERNEL allocation. This is done because the code is expected to be protected with the RTNL lock, so add the assertion (mainly to address future questions from new network developers like me :) ). Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[INET]: kmalloc+memset -> kzalloc in frag_alloc_queueDenis V. Lunev
kmalloc + memset -> kzalloc in frag_alloc_queue Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[ISDN]: Fix compile with CONFIG_ISDN_X25 disabled.Denis V. Lunev
On Mon, Oct 15, 2007 at 06:44:56PM +0400, Denis V. Lunev wrote: Compilation fix. The problem appears after 7c076d1de869256848dacb8de0050a3a390f95df by Karsten Keil <kkeil@suse.de> Acked-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[libata] pata_pcmcia: Add additional id string (corsair, 1GB)Kristoffer Ericson
Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2007-10-15[IPV6]: Replace sk_buff ** with sk_buff * in input handlersHerbert Xu
With all the users of the double pointers removed from the IPv6 input path, this patch converts all occurances of sk_buff ** to sk_buff * in IPv6 input handlers. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15scsi/gdth: fix crash in gdth_timeout if no gdth controllers foundLinus Torvalds
If the gdth module is loaded (or compiled in), the gdth_timeout function gets started even if no actual gdth controllers are found b the probing. That ends up not only being unnecessary, but also causes a crash due to the function blindly just trying to pick the first entry off the "gdth_instances" list, and accessing it - which obviously doesn't work if the list is empty! Noticed by Ingo Molnar. Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-15libata: prevent devices with blank model names from being DMA blacklistedAndrew Paprocki
The strn_pattern_cmp routine does not handle a blank name parameter properly. The only patterns which should match a blank name are "*" and an explicit "". If the function is passed a blank name in current code, it will always match against the patt parameter. The bug manifests itself as the device with the empty model name always matching the first device in the DMA blacklist, forcing it to revert to PIO mode. Signed-off-by: Andrew Paprocki <andrew@ishiboo.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2007-10-15ata_piix: SATA 2port controller port map fixJason Gaston
This patch adds a port map for ICH9 and ICH8 SATA controllers that have only 2 ports available in that mode. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-15pata_cs5536: ATA driver for Geode companion chipMartin K. Petersen
This is a driver for the ATA controller on the Geode CS5536 companion chip. The PCI device ID for this device was previously claimed by pata_amd.c but the PIO timings were not correct. This driver also works around a bug in some BIOSes that handle unaligned access to the PCI config registers poorly. Finally, the driver allows fallback to using MSR registers for configuration on BIOSes that are truly broken. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-15[SELINUX]: Update for netfilter ->hook() arg changes.David S. Miller
They take a "struct sk_buff *" instead of a "struct sk_buff **" now. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[INET]: Consolidate the xxx_putPavel Emelyanov
These ones use the generic data types too, so move them in one place. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[INET]: Small cleanup for xxx_put after evictor consolidationPavel Emelyanov
After the evictor code is consolidated there is no need in passing the extra pointer to the xxx_put() functions. The only place when it made sense was the evictor code itself. Maybe this change must got with the previous (or with the next) patch, but I try to make them shorter as much as possible to simplify the review (but they are still large anyway), so this change goes in a separate patch. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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