Pete Wyckoff 482eb68916 block: allow queue dma_alignment of zero ...

Let queue_dma_alignment return 0 if it was specifically set to 0.
This permits devices with no particular alignment restrictions to
use arbitrary user space buffers without copying.

Signed-off-by: Pete Wyckoff <pw@osc.edu>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

2008-01-28 10:04:46 +01:00

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acpi

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asm-alpha

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asm-arm

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asm-avr32

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asm-blackfin

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asm-cris

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asm-frv

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asm-generic

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asm-h8300

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asm-ia64

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asm-m32r

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asm-m68k

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asm-m68knommu

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asm-parisc

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asm-powerpc

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asm-ppc

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asm-s390

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asm-sh64

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asm-sparc

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asm-sparc64

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asm-um

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asm-v850

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asm-x86

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asm-xtensa

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crypto

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keys

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linux

block: allow queue dma_alignment of zero

2008-01-28 10:04:46 +01:00

math-emu

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media

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mtd

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net

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pcmcia

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rdma

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rxrpc

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scsi

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sound

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video

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xen

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Kbuild

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