ocfs2: Fix heartbeat sector calculation
This fixes things for devices which set max_sectors to 8. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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@ -320,8 +320,12 @@ static int compute_max_sectors(struct block_device *bdev)
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max_pages = q->max_hw_segments;
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max_pages--; /* Handle I/Os that straddle a page */
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max_sectors = max_pages << (PAGE_SHIFT - 9);
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if (max_pages) {
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max_sectors = max_pages << (PAGE_SHIFT - 9);
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} else {
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/* If BIO contains 1 or less than 1 page. */
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max_sectors = q->max_sectors;
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}
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/* Why is fls() 1-based???? */
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pow_two_sectors = 1 << (fls(max_sectors) - 1);
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