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md/bitmap: fix incorrect DIV_ROUND_UP usage.

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DIV_ROUTND_UP doesn't work on "long long", - and it should be
sector_t anyway.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2015-03-02 17:02:29 +11:00
parent ba599aca52
commit 935f3d4fc6
1 changed files with 2 additions and 2 deletions
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4
drivers/md/bitmap.c
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@ -571,11 +571,11 @@ static int bitmap_read_sb(struct bitmap *bitmap)
re_read:
/* If cluster_slot is set, the cluster is setup */
if (bitmap->cluster_slot >= 0) {
long long bm_blocks;
sector_t bm_blocks;
bm_blocks = bitmap->mddev->resync_max_sectors / (bitmap->mddev->bitmap_info.chunksize >> 9);
bm_blocks = bm_blocks << 3;
bm_blocks = DIV_ROUND_UP(bm_blocks, 4096);
bm_blocks = DIV_ROUND_UP_SECTOR_T(bm_blocks, 4096);
bitmap->mddev->bitmap_info.offset += bitmap->cluster_slot * (bm_blocks << 3);
pr_info("%s:%d bm slot: %d offset: %llu\n", __func__, __LINE__,
bitmap->cluster_slot, (unsigned long long)bitmap->mddev->bitmap_info.offset);