tree 63501846b8aaef02579a868f6d5118b6a07c4a5e
parent 0cde8d9510e242c73b2d68f9949cd3c456c863b4
author Jens Axboe <jens.axboe@oracle.com> 1186470171 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1192525973 +0200

SCSI: support for allocating large scatterlists

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>