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SCSI: support for allocating large scatterlists
authorJens Axboe <jens.axboe@oracle.com>
Tue, 7 Aug 2007 07:02:51 +0000 (09:02 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 16 Oct 2007 09:12:53 +0000 (11:12 +0200)
This is what enables large commands. If we need to allocate an
sgtable that doesn't fit in a single page, allocate several
SCSI_MAX_SG_SEGMENTS sized tables and chain them together.

SCSI defaults to large chained sg tables, if the arch supports it.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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