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o more tidy ups from Clausen.

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This commit is contained in:
Joe Thornber 2001-09-05 07:48:11 +00:00
parent e69ce84e34
commit 8784319622
1 changed files with 11 additions and 19 deletions
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30
driver/device-mapper/dm-table.c
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@ -59,18 +59,13 @@ static uint int_log(ulong n, ulong base)
*/
static offset_t high(struct dm_table *t, int l, int n)
{
while (1) {
if (n >= t->counts[l])
return (offset_t) -1;
if (l == t->depth - 1)
return get_node(t, l, n)[KEYS_PER_NODE - 1];
l++;
for (; l < t->depth - 1; l++)
n = get_child(n, CHILDREN_PER_NODE - 1);
}
return -1;
if (n >= t->counts[l])
return (offset_t) -1;
return get_node(t, l, n)[KEYS_PER_NODE - 1];
}
/*
@ -79,17 +74,14 @@ static offset_t high(struct dm_table *t, int l, int n)
*/
static int setup_btree_index(int l, struct dm_table *t)
{
int n, c, cn;
int n, k;
offset_t *node;
for (n = 0, cn = 0; n < t->counts[l]; n++) {
offset_t *node = get_node(t, l, n);
for (n = 0; n < t->counts[l]; n++) {
node = get_node(t, l, n);
for (c = 0; c < KEYS_PER_NODE; c++)
node[c] = high(t, l + 1, cn++);
/* one extra for the child that's greater
than all keys in the node */
cn++;
for (k = 0; k < KEYS_PER_NODE; k++)
node[k] = high(t, l + 1, get_child(n, k));
}
return 0;