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RE: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size

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From: Salyzyn, Mark
Subject: RE: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size
Date: Wednesday, October 24, 2007 - 6:34 am

Jeff Garzik [mailto:jeff@garzik.org] writes:

Apparently so, as we had to add it in the past, mainly because the
feature to limit was not part of the SCSI layer when the original limit
code was added. At that time it replaced a complicated sg breakup
algorithm.

Does your statement guarantee that the default will not change to a
large value? If not, then we need to enforce it in perpetuity...

Sincerely -- Mark Salyzyn
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Messages in current thread:
[PATCH -mm 0/11] fix iommu sg merging problem, FUJITA Tomonori, (Wed Oct 24, 3:47 am)
[PATCH -mm 01/11] add device_dma_parameters structure, FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 02/11] PCI: add device_dma_parameters support, FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 03/11] x86: make pci-gart iommu respect the seg ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 04/11] ppc: make iommu respect the segment size ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 05/11] IA64: make sba_iommu respect the segment ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 06/11] alpha: make pci_iommu respect the segmen ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 07/11] sparc64: make iommu respect the segment ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 08/11] parisc: make iommu respect the segment s ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 09/11] call blk_queue_segment_boundary in __scs ..., FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 10/11] sata_inic162x: use pci_set_dma_max_seg_size, FUJITA Tomonori, (Wed Oct 24, 3:48 am)
[PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, FUJITA Tomonori, (Wed Oct 24, 3:48 am)
Re: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, Jeff Garzik, (Wed Oct 24, 4:31 am)
Re: [PATCH -mm 01/11] add device_dma_parameters structure, Jeff Garzik, (Wed Oct 24, 4:33 am)
Re: [PATCH -mm 02/11] PCI: add device_dma_parameters support, Jeff Garzik, (Wed Oct 24, 4:34 am)
Re: [PATCH -mm 08/11] parisc: make iommu respect the segme ..., Jeff Garzik, (Wed Oct 24, 4:35 am)
Re: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, FUJITA Tomonori, (Wed Oct 24, 4:35 am)
Re: [PATCH -mm 09/11] call blk_queue_segment_boundary in _ ..., Jeff Garzik, (Wed Oct 24, 4:39 am)
Re: [PATCH -mm 10/11] sata_inic162x: use pci_set_dma_max_s ..., Jeff Garzik, (Wed Oct 24, 4:39 am)
Re: [PATCH -mm 0/11] fix iommu sg merging problem, Jeff Garzik, (Wed Oct 24, 4:40 am)
Re: [PATCH -mm 0/11] fix iommu sg merging problem, Jens Axboe, (Wed Oct 24, 6:24 am)
RE: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, Salyzyn, Mark, (Wed Oct 24, 6:34 am)
RE: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, Salyzyn, Mark, (Wed Oct 24, 6:34 am)
Re: [PATCH -mm 02/11] PCI: add device_dma_parameters support, FUJITA Tomonori, (Wed Oct 24, 6:41 am)
Re: [PATCH -mm 09/11] call blk_queue_segment_boundary in _ ..., FUJITA Tomonori, (Wed Oct 24, 7:15 am)
Re: [PATCH -mm 09/11] call blk_queue_segment_boundary in ..., Jens Axboe, (Wed Oct 24, 7:28 am)
Re: [PATCH -mm 0/11] fix iommu sg merging problem, FUJITA Tomonori, (Wed Oct 24, 7:32 am)
Re: [PATCH -mm 09/11] call blk_queue_segment_boundary in _ ..., Jeff Garzik, (Wed Oct 24, 7:34 am)
Re: [PATCH -mm 09/11] call blk_queue_segment_boundary in ..., FUJITA Tomonori, (Wed Oct 24, 7:36 am)
RE: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, FUJITA Tomonori, (Wed Oct 24, 9:21 am)
RE: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size, Salyzyn, Mark, (Wed Oct 24, 9:25 am)