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Date: Wed, 16 May 2007 10:32:14 +0200 From: Jens Axboe <jens.axboe@...cle.com> To: linux-kernel@...r.kernel.org Subject: [PATCH 0/19] Chaining sg lists for big IO commands v6 (please ignore last posting, git send-email got hold of the wrong directory...) Hi, Round 6 of the sg chaining patch set. Changes since v5: - Support for more architectures. It should now run and work on i386, x86-64, sparc, sparc64, ia64, and ppc (32 and 64-bit). I have only tested i386/x86-64/ppc64 myself. - Large command support is now automatically enabled by the SCSI mid layer, if the arch supports sg chaining. The debug queue entry in /sys/block/<dev>/queue/max_segments still exists if you want to tweak it further. The default limit is now 2048 entries, or at least 8mb ios. Remember that you still need to tweak the soft limit to allow the block layer to build large commands, that is the max_sectors_kb variable in the same directory. - Add kerneldoc documentation to scatterlist.h It's solid here, so please give it a spin. I'd like to get some performance results as well, if someone feels inclined to do so. arch/ia64/hp/common/sba_iommu.c | 14 - arch/ia64/hp/sim/simscsi.c | 23 +- arch/ia64/sn/pci/pci_dma.c | 11 - arch/powerpc/kernel/dma_64.c | 5 arch/powerpc/kernel/ibmebus.c | 11 - arch/powerpc/kernel/iommu.c | 18 + arch/powerpc/platforms/ps3/system-bus.c | 5 arch/sparc/kernel/ioport.c | 25 +- arch/sparc/mm/io-unit.c | 12 - arch/sparc/mm/iommu.c | 10 arch/sparc/mm/sun4c.c | 10 arch/sparc64/kernel/pci_iommu.c | 39 ++- arch/sparc64/kernel/pci_sun4v.c | 32 +- arch/sparc64/kernel/sbus.c | 44 ++-- arch/x86_64/kernel/pci-calgary.c | 25 +- arch/x86_64/kernel/pci-gart.c | 60 ++--- arch/x86_64/kernel/pci-nommu.c | 5 block/ll_rw_blk.c | 42 +++ crypto/digest.c | 2 crypto/scatterwalk.c | 2 crypto/scatterwalk.h | 2 drivers/ata/libata-core.c | 30 +- drivers/ide/cris/ide-cris.c | 3 drivers/ide/ide-dma.c | 2 drivers/ide/ide-taskfile.c | 17 + drivers/ide/mips/au1xxx-ide.c | 2 drivers/ide/pci/sgiioc4.c | 2 drivers/ide/ppc/pmac.c | 2 drivers/infiniband/hw/ipath/ipath_dma.c | 9 drivers/infiniband/ulp/iser/iser_memory.c | 75 +++--- drivers/infiniband/ulp/srp/ib_srp.c | 22 +- drivers/message/fusion/mptscsih.c | 4 drivers/scsi/3w-9xxx.c | 8 drivers/scsi/3w-xxxx.c | 8 drivers/scsi/53c700.c | 16 - drivers/scsi/BusLogic.c | 7 drivers/scsi/NCR53c406a.c | 18 - drivers/scsi/a100u2w.c | 9 drivers/scsi/aacraid/aachba.c | 29 +- drivers/scsi/advansys.c | 21 - drivers/scsi/aha1542.c | 21 - drivers/scsi/aha1740.c | 8 drivers/scsi/aic7xxx/aic79xx_osm.c | 3 drivers/scsi/aic7xxx/aic7xxx_osm.c | 12 - drivers/scsi/aic94xx/aic94xx_task.c | 6 drivers/scsi/arcmsr/arcmsr_hba.c | 11 - drivers/scsi/dc395x.c | 7 drivers/scsi/dpt_i2o.c | 13 - drivers/scsi/eata.c | 8 drivers/scsi/esp_scsi.c | 5 drivers/scsi/gdth.c | 45 ++-- drivers/scsi/hptiop.c | 8 drivers/scsi/ibmmca.c | 11 - drivers/scsi/ibmvscsi/ibmvscsi.c | 4 drivers/scsi/ide-scsi.c | 31 +- drivers/scsi/initio.c | 12 - drivers/scsi/ipr.c | 9 drivers/scsi/ips.c | 74 +++--- drivers/scsi/iscsi_tcp.c | 43 ++- drivers/scsi/jazz_esp.c | 27 +- drivers/scsi/lpfc/lpfc_scsi.c | 9 drivers/scsi/mac53c94.c | 9 drivers/scsi/megaraid.c | 13 - drivers/scsi/megaraid/megaraid_mbox.c | 7 drivers/scsi/megaraid/megaraid_sas.c | 16 - drivers/scsi/mesh.c | 12 - drivers/scsi/ncr53c8xx.c | 7 drivers/scsi/nsp32.c | 9 drivers/scsi/pcmcia/sym53c500_cs.c | 18 - drivers/scsi/qla1280.c | 66 +++--- drivers/scsi/qla2xxx/qla_iocb.c | 9 drivers/scsi/qla4xxx/ql4_iocb.c | 8 drivers/scsi/qlogicfas408.c | 9 drivers/scsi/qlogicpti.c | 15 - drivers/scsi/scsi_debug.c | 29 +- drivers/scsi/scsi_lib.c | 239 ++++++++++++++++------ drivers/scsi/scsi_tgt_lib.c | 4 drivers/scsi/sg.c | 16 - drivers/scsi/sym53c416.c | 9 drivers/scsi/sym53c8xx_2/sym_glue.c | 7 drivers/scsi/u14-34f.c | 10 drivers/scsi/ultrastor.c | 10 drivers/scsi/wd7000.c | 7 drivers/usb/storage/alauda.c | 16 - drivers/usb/storage/datafab.c | 10 drivers/usb/storage/jumpshot.c | 10 drivers/usb/storage/protocol.c | 20 + drivers/usb/storage/protocol.h | 2 drivers/usb/storage/sddr09.c | 16 - drivers/usb/storage/sddr55.c | 16 - drivers/usb/storage/shuttle_usbat.c | 17 - include/asm-i386/dma-mapping.h | 13 - include/asm-i386/scatterlist.h | 2 include/asm-ia64/dma-mapping.h | 1 include/asm-ia64/scatterlist.h | 2 include/asm-powerpc/dma-mapping.h | 2 include/asm-powerpc/scatterlist.h | 2 include/asm-sparc/scatterlist.h | 2 include/asm-sparc64/scatterlist.h | 2 include/asm-x86_64/dma-mapping.h | 3 include/asm-x86_64/scatterlist.h | 2 include/linux/i2o.h | 2 include/linux/ide.h | 2 include/linux/libata.h | 16 - include/linux/scatterlist.h | 84 +++++++ include/scsi/scsi.h | 7 include/scsi/scsi_cmnd.h | 3 lib/swiotlb.c | 19 + 108 files changed, 1104 insertions(+), 744 deletions(-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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