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* qla1280: sg chaining fixesFUJITA Tomonori2007-10-161-1/+4
| | | | | Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* libata sg chaining support fixFUJITA Tomonori2007-10-161-1/+6
| | | | | Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* zfcp: sg chaining supportFUJITA Tomonori2007-10-162-4/+3
| | | | | Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* ips: sg chaining supportFUJITA Tomonori2007-10-161-6/+8
| | | | | | | | ips properly uses scsi_for_each_sg for the normal I/O path, however, the breakup path doesn't. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* IDE: sg chaining supportJens Axboe2007-10-169-12/+25
| | | | | Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* i2o: sg chaining supportJens Axboe2007-10-161-1/+2
| | | | | Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Fusion: sg chaining supportJens Axboe2007-10-161-3/+3
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* USB storage: sg chaining supportJens Axboe2007-10-168-45/+62
| | | | | | | | | | | [PATCH] USB storage: sg chaining support Modify usb_stor_access_xfer_buf() to take a pointer to an sg entry pointer, so we can keep track of that instead of passing around an integer index (which we can't use when dealing with multiple scatterlist arrays). Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* infiniband: sg chaining supportJens Axboe2007-10-162-38/+47
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* aha1542: convert to use the data buffer accessorsJens Axboe2007-10-161-17/+15
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* ide-scsi: sg chaining supportJens Axboe2007-10-161-14/+18
| | | | | Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* qlogicpti: sg chaining supportJens Axboe2007-10-161-7/+8
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* aic94xx: sg chaining supportJens Axboe2007-10-161-3/+3
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* qla1280: sg chaining supportJens Axboe2007-10-161-29/+37
| | | | | | Interesting hardware setup... Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* scsi generic: sg chaining supportJens Axboe2007-10-161-8/+8
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* scsi_debug: support sg chainingJens Axboe2007-10-161-14/+16
| | | | | Signed-off-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* libata: convert to using sg helpersJens Axboe2007-10-162-20/+26
| | | | | | | 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>
* SCSI: support for allocating large scatterlistsJens Axboe2007-10-163-54/+163
| | | | | | | | | | 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>
* scsi: simplify scsi_free_sgtable()Jens Axboe2007-10-163-7/+8
| | | | | | | 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>
* use sg helper function in DMA mapping documentationsaeed bishara2007-10-161-1/+1
| | | | | Signed-off-by: Saeed Bishara <saeed.bishara@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* ll_rw_blk: temporarily enable max_segments tweakingJens Axboe2007-10-161-0/+23
| | | | | | | | 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>
* Add chained sg support to linux/scatterlist.hJens Axboe2007-10-161-2/+77
| | | | | | | | | | | | 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>
* scsi: convert to using sg helpersJens Axboe2007-10-162-10/+15
| | | | | | | 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>
* block: convert to using sg helpersJens Axboe2007-10-161-7/+11
| | | | | | Convert the main rq mapper (blk_rq_map_sg()) to the sg helper setup. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Add sg helpers for iterating over a scatterlist tableJens Axboe2007-10-161-0/+9
| | | | | | | 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>
* crypto: don't pollute the global namespace with sg_next()Jens Axboe2007-10-163-3/+3
| | | | | | | 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>
* pktcdvd: don't rely on bio_init() preserving bio->bi_destructorLaurent Riffard2007-10-161-0/+2
| | | | | Signed-off-by: Laurent Riffard <laurent.riffard@free.fr> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* pktcdvd: don't rely on bio_init() preserving bio->bi_io_vecJens Axboe2007-10-161-0/+5
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* remove ide_get_error_location()Adrian Bunk2007-10-162-40/+0
| | | | | Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: convert blkdev_issue_flush() to use empty barriersJens Axboe2007-10-1616-329/+36
| | | | | | | 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>
* block: Initial support for data-less (or empty) barrier supportJens Axboe2007-10-165-21/+71
| | | | | | | | | 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>
* block: factor our bio_check_eod()Jens Axboe2007-10-161-30/+33
| | | | | | | | 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>
* block: add end_queued_request() and end_dequeued_request() helpersJens Axboe2007-10-163-14/+77
| | | | | | | 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>
* bio: make freeing of ->bi_io_vec conditional in bio_free()Jens Axboe2007-10-161-3/+6
| | | | | | | The empty barrier patches do not carry data, so they have no iovec attached. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* bio: use memset() in bio_init()Jens Axboe2007-10-161-13/+1
| | | | | | Use memset() to clear the bio, instead of doing each field manually. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: ll_rw_blk.c: cosmeticsJens Axboe2007-10-161-6/+9
| | | | | | Fix ?: construct, a typo, whitespace, and similar. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2007-10-16171-1136/+13123
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * '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 ...
| * Merge branch 'pxa' into develRussell King2007-10-1566-519/+7135
| |\
| | * [ARM] 4578/1: CM-x270: PCMCIA supportMike Rapoport2007-10-152-0/+176
| | | | | | | | | | | | | | | | | | | | | This patch provides support for PCMCIA on CM-X270 Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4577/1: ITE 8152 PCI bridge supportMike Rapoport2007-10-156-3/+520
| | | | | | | | | | | | | | | | | | | | | This patch provides driver for ITE 8152 PCI bridge. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4576/1: CM-X270 machine supportMike Rapoport2007-10-1514-0/+2517
| | | | | | | | | | | | | | | | | | | | | This patch provides core support for CM-X270 platform. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put()Russell King2007-10-152-10/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pxa_gpio_mode() is a universal call that fiddles with the GAFR (gpio alternate function register.) GAFR does not exist on PXA3 CPUs, but instead the alternate functions are controlled via the MFP support code. Platforms are expected to configure the MFP according to their needs in their platform support code rather than drivers. We extend this idea to the GAFR, and make the gpio_direction_*() functions purely operate on the GPIO level. This means platform support code is entirely responsible for configuring the GPIOs alternate functions on all PXA CPU types. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.cRussell King2007-10-152-18/+19
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.cRussell King2007-10-152-30/+20
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbolsRussell King2007-10-151-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | Make the cpu_is_pxaXXX() macros define to zero when support for a particular CPU is disabled. This allows us to eliminate code for CPUs which aren't enabled. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] pxa: PXA3xx base supporteric miao2007-10-1521-9/+2942
| | | | | | | | | | | | | | | Signed-off-by: eric miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [NET] smc91x: fix PXA DMA support codeRussell King2007-10-152-56/+63
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PXA DMA support code for smc91x doesn't pass a struct device to the dma_*map_single() functions, which leads to an oops in the dma bounce code. We have a struct device which was used to probe the SMC chip. Use it. (This patch is slightly larger because it requires struct smc_local to move into the header file.) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [SERIAL] Fix console initialisation orderingRussell King2007-10-151-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | Ensure pm callback is called upon initialisation to place port in correct power saving state. Ensure console is initialised prior to deciding whether to power down the port. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] pxa: tidy up arch/arm/mach-pxa/MakefileRussell King2007-10-151-16/+16
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * [ARM] 4560/1: pxa: move processor specific set_wake logic out of irq.ceric miao2007-10-124-73/+116
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a function pxa_init_irq_set_wake() was introduced, so that processor specific code could install their own version code setting PFER and PRER registers within pxa_gpio_irq_type are removed, and the edge configuration is postponed to the (*set_wake) and copies the GRER and GFER register, which will always be set up correctly by pxa_gpio_irq_type() Signed-off-by: eric miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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