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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>
This commit is contained in:
Mathieu Avila 2006-09-13 11:11:27 -07:00 committed by Mark Fasheh
parent 2d5625181f
commit 471e3f5728
1 changed files with 6 additions and 2 deletions
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6
fs/ocfs2/cluster/heartbeat.c
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@ -320,8 +320,12 @@ static int compute_max_sectors(struct block_device *bdev)
max_pages = q->max_hw_segments;
max_pages--; /* Handle I/Os that straddle a page */
if (max_pages) {
max_sectors = max_pages << (PAGE_SHIFT - 9);
} else {
/* If BIO contains 1 or less than 1 page. */
max_sectors = q->max_sectors;
}
/* Why is fls() 1-based???? */
pow_two_sectors = 1 << (fls(max_sectors) - 1);