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block: Do away with the notion of hardsect_size

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Until now we have had a 1:1 mapping between storage device physical
block size and the logical block sized used when addressing the device.
With SATA 4KB drives coming out that will no longer be the case.  The
sector size will be 4KB but the logical block size will remain
512-bytes.  Hence we need to distinguish between the physical block size
and the logical ditto.

This patch renames hardsect_size to logical_block_size.

Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Martin K. Petersen 2009-05-22 17:17:49 -04:00 • committed by Jens Axboe
commit e1defc4ff0
54 changed files with 108 additions and 98 deletions
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2
drivers/s390/block/dasd.c
View file

@ -1990,7 +1990,7 @@ static void dasd_setup_queue(struct dasd_block *block)
{
int max;
blk_queue_hardsect_size(block->request_queue, block->bp_block);
blk_queue_logical_block_size(block->request_queue, block->bp_block);
max = block->base->discipline->max_blocks << block->s2b_shift;
blk_queue_max_sectors(block->request_queue, max);
blk_queue_max_phys_segments(block->request_queue, -1L);

2
drivers/s390/block/dcssblk.c
View file

@ -602,7 +602,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
dev_info->gd->private_data = dev_info;
dev_info->gd->driverfs_dev = &dev_info->dev;
blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request);
blk_queue_hardsect_size(dev_info->dcssblk_queue, 4096);
blk_queue_logical_block_size(dev_info->dcssblk_queue, 4096);
seg_byte_size = (dev_info->end - dev_info->start + 1);
set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors

2
drivers/s390/block/xpram.c
View file

@ -343,7 +343,7 @@ static int __init xpram_setup_blkdev(void)
goto out;
}
blk_queue_make_request(xpram_queues[i], xpram_make_request);
blk_queue_hardsect_size(xpram_queues[i], 4096);
blk_queue_logical_block_size(xpram_queues[i], 4096);
}
/*

2
drivers/s390/char/tape_block.c
View file

@ -222,7 +222,7 @@ tapeblock_setup_device(struct tape_device * device)
if (rc)
goto cleanup_queue;
blk_queue_hardsect_size(blkdat->request_queue, TAPEBLOCK_HSEC_SIZE);
blk_queue_logical_block_size(blkdat->request_queue, TAPEBLOCK_HSEC_SIZE);
blk_queue_max_sectors(blkdat->request_queue, TAPEBLOCK_MAX_SEC);
blk_queue_max_phys_segments(blkdat->request_queue, -1L);
blk_queue_max_hw_segments(blkdat->request_queue, -1L);