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block: Consolidate phys_segment and hw_segment limits

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Except for SCSI no device drivers distinguish between physical and
hardware segment limits.  Consolidate the two into a single segment
limit.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Martin K. Petersen
2010-02-26 00:20:39 -05:00
committed by Jens Axboe
parent 086fa5ff08
commit 8a78362c4e
35 changed files with 70 additions and 136 deletions
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drivers/cdrom/viocd.c
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@@ -616,8 +616,7 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id)
gendisk->first_minor = deviceno;
strncpy(gendisk->disk_name, c->name,
sizeof(gendisk->disk_name));
blk_queue_max_hw_segments(q, 1);
blk_queue_max_phys_segments(q, 1);
blk_queue_max_segments(q, 1);
blk_queue_max_hw_sectors(q, 4096 / 512);
gendisk->queue = q;
gendisk->fops = &viocd_fops;