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    Subject[SCSI] Set max_phys_segments to sg_tablesize
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    Hi:

    Many SCSI host drivers assume that use_sg will be <= sg_tablesize.
    Hence they may break under 2.6 as the number of physical segments
    is not limited by sg_tablesize. This patch fixes that.

    Cheers,
    --
    Debian GNU/Linux 3.0 is out! ( http://www.debian.org/ )
    Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
    Home Page: http://gondor.apana.org.au/~herbert/
    PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
    Index: kernel-source-2.5/drivers/scsi/scsi_lib.c
    ===================================================================
    RCS file: /home/gondolin/herbert/src/CVS/debian/kernel-source-2.5/drivers/scsi/scsi_lib.c,v
    retrieving revision 1.1.1.16
    diff -u -r1.1.1.16 scsi_lib.c
    --- kernel-source-2.5/drivers/scsi/scsi_lib.c 28 Sep 2003 04:44:15 -0000 1.1.1.16
    +++ kernel-source-2.5/drivers/scsi/scsi_lib.c 15 Oct 2003 11:32:20 -0000
    @@ -1243,7 +1243,7 @@
    blk_queue_prep_rq(q, scsi_prep_fn);

    blk_queue_max_hw_segments(q, shost->sg_tablesize);
    - blk_queue_max_phys_segments(q, MAX_PHYS_SEGMENTS);
    + blk_queue_max_phys_segments(q, shost->sg_tablesize);
    blk_queue_max_sectors(q, shost->max_sectors);
    blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost));
    blk_queue_segment_boundary(q, shost->dma_boundary);
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