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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
fs/partitions/ibm.c
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@ -76,7 +76,7 @@ ibm_partition(struct parsed_partitions *state, struct block_device *bdev)
Sector sect;
res = 0;
blocksize = bdev_hardsect_size(bdev);
blocksize = bdev_logical_block_size(bdev);
if (blocksize <= 0)
goto out_exit;
i_size = i_size_read(bdev->bd_inode);

4
fs/partitions/msdos.c
View file

@ -110,7 +110,7 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev,
Sector sect;
unsigned char *data;
u32 this_sector, this_size;
int sector_size = bdev_hardsect_size(bdev) / 512;
int sector_size = bdev_logical_block_size(bdev) / 512;
int loopct = 0; /* number of links followed
without finding a data partition */
int i;
@ -415,7 +415,7 @@ static struct {
int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
{
int sector_size = bdev_hardsect_size(bdev) / 512;
int sector_size = bdev_logical_block_size(bdev) / 512;
Sector sect;
unsigned char *data;
struct partition *p;