md: Replace calc_dev_size() by calc_num_sectors().
Number of sectors is the preferred unit for sizes of raid devices,
so change calc_dev_size() so that it returns this unit instead of
the number of 1K blocks.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: Neil Brown <neilb@suse.de>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 158c38f..19f646a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -353,15 +353,13 @@
return MD_NEW_SIZE_BLOCKS(size);
}
-static sector_t calc_dev_size(mdk_rdev_t *rdev, unsigned chunk_size)
+static sector_t calc_num_sectors(mdk_rdev_t *rdev, unsigned chunk_size)
{
- sector_t size;
-
- size = rdev->sb_offset;
+ sector_t num_sectors = rdev->sb_offset * 2;
if (chunk_size)
- size &= ~((sector_t)chunk_size/1024 - 1);
- return size;
+ num_sectors &= ~((sector_t)chunk_size/512 - 1);
+ return num_sectors;
}
static int alloc_disk_sb(mdk_rdev_t * rdev)
@@ -753,7 +751,7 @@
else
ret = 0;
}
- rdev->size = calc_dev_size(rdev, sb->chunk_size);
+ rdev->size = calc_num_sectors(rdev, sb->chunk_size) / 2;
if (rdev->size < sb->size && sb->level > 1)
/* "this cannot possibly happen" ... */
@@ -4359,7 +4357,7 @@
rdev->sb_offset = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS;
} else
rdev->sb_offset = calc_dev_sboffset(rdev->bdev);
- rdev->size = calc_dev_size(rdev, mddev->chunk_size);
+ rdev->size = calc_num_sectors(rdev, mddev->chunk_size) / 2;
err = bind_rdev_to_array(rdev, mddev);
if (err) {
@@ -4398,7 +4396,6 @@
{
char b[BDEVNAME_SIZE];
int err;
- unsigned int size;
mdk_rdev_t *rdev;
if (!mddev->pers)
@@ -4431,8 +4428,7 @@
rdev->sb_offset =
rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS;
- size = calc_dev_size(rdev, mddev->chunk_size);
- rdev->size = size;
+ rdev->size = calc_num_sectors(rdev, mddev->chunk_size) / 2;
if (test_bit(Faulty, &rdev->flags)) {
printk(KERN_WARNING