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some block and scsi layer additions for ULD scatterlist code

Mike Christie linux-scsi 1 version In review

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b4 am 1133771825.23619.16.camel@max

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  1. v1 Latest2 patches 5 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2seperate max_sectors from max_hw_sectorsblock/ll_rw_blk.c block/scsi_ioctl.c drivers/md/dm-table.c +3 more+72 -200 replies
2/2dont retry st SG_IO and scsi SCSI-ml REQ_BLOCK_PC requestsdrivers/scsi/scsi_lib.c drivers/scsi/st.c+12 -20 replies

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Cover letter [PATCH 0/2] some block and scsi layer additions for ULD scatterlist code

These two patches are some of the core or bugfix code for the SCSI ULD scatterlist code. The first patch exports the block layer functions needed to be able to do async REQ_BLOCK_PC commands and hook into the request end_io callout and it adds the max_hw_sectors code. And the second patch fixes a bug in st where it allows SCSI-ml to retry commands and reverts SCSI-ml back to its previous behavior where it does not allow scsi_io_completion to retry REQ_BLOCK_PC (previously special requests) commands.

These patches were made against linux-2.6-block, but apply with some offset to scsi-misc.

Read the cover letter in its thread