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md: Turn rdev->sb_offset into a sector-based quantity.

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Rename it to sb_start to make sure all users have been converted.

Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: Neil Brown <neilb@suse.de>
This commit is contained in:
Andre Noll
2008-07-11 22:02:23 +10:00
committed by Neil Brown
parent b73df2d3d6
commit 0f420358e3
3 changed files with 44 additions and 49 deletions
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10
drivers/md/bitmap.c
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@@ -225,7 +225,7 @@ static struct page *read_sb_page(mddev_t *mddev, long offset, unsigned long inde
|| test_bit(Faulty, &rdev->flags))
continue;
target = (rdev->sb_offset << 1) + offset + index * (PAGE_SIZE/512);
target = rdev->sb_start + offset + index * (PAGE_SIZE/512);
if (sync_page_io(rdev->bdev, target, PAGE_SIZE, page, READ)) {
page->index = index;
@@ -262,12 +262,12 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
/* bitmap runs in to metadata */
return -EINVAL;
if (rdev->data_offset + mddev->size*2
> rdev->sb_offset*2 + bitmap->offset)
> rdev->sb_start + bitmap->offset)
/* data runs in to bitmap */
return -EINVAL;
} else if (rdev->sb_offset*2 < rdev->data_offset) {
} else if (rdev->sb_start < rdev->data_offset) {
/* METADATA BITMAP DATA */
if (rdev->sb_offset*2
if (rdev->sb_start
+ bitmap->offset
+ page->index*(PAGE_SIZE/512) + size/512
> rdev->data_offset)
@@ -277,7 +277,7 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
/* DATA METADATA BITMAP - no problems */
}
md_super_write(mddev, rdev,
(rdev->sb_offset<<1) + bitmap->offset
rdev->sb_start + bitmap->offset
+ page->index * (PAGE_SIZE/512),
size,
page);