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authorFUJITA Tomonori <tomof@acm.org>2008-02-05 01:28:13 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 12:44:11 -0500
commitd22a6966b8029913fac37d078ab2403898d94c63 (patch)
treef8bf9155b805781cef04ccb6c8de688ab6ea21e1 /Documentation/connector
parent67ec11cf968241c9ae907f8817b6ac74d4dd71d7 (diff)
iommu sg merging: add accessors for segment_boundary_mask in device_dma_parameters()
This adds new accessors for segment_boundary_mask in device_dma_parameters structure in the same way I did for max_segment_size. So we can easily change where to place struct device_dma_parameters in the future. dma_get_segment boundary returns 0xffffffff if dma_parms in struct device isn't set up properly. 0xffffffff is the default value used in the block layer and the scsi mid layer. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Greg KH <greg@kroah.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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