#include "scrub/scrub.h"
#include "scrub/bitmap.h"
-#define for_each_xbitmap_extent(bex, n, bitmap) \
- list_for_each_entry_safe((bex), (n), &(bitmap)->list, list)
+/* Iterate each interval of a bitmap. Do not change the bitmap. */
+#define for_each_xbitmap_extent(bex, bitmap) \
+ list_for_each_entry((bex), &(bitmap)->list, list)
/*
* Set a range of this bitmap. Caller must ensure the range is not set.
xbitmap_destroy(
struct xbitmap *bitmap)
{
- struct xbitmap_range *bmr;
- struct xbitmap_range *n;
+ struct xbitmap_range *bmr, *n;
- for_each_xbitmap_extent(bmr, n, bitmap) {
+ list_for_each_entry_safe(bmr, n, &bitmap->list, list) {
list_del(&bmr->list);
kfree(bmr);
}
struct xbitmap *bitmap)
{
struct xbitmap_range *bmr;
- struct xbitmap_range *n;
uint64_t ret = 0;
- for_each_xbitmap_extent(bmr, n, bitmap)
+ for_each_xbitmap_extent(bmr, bitmap)
ret += bmr->len;
return ret;
xbitmap_walk_fn fn,
void *priv)
{
- struct xbitmap_range *bex, *n;
+ struct xbitmap_range *bex;
int error = 0;
- for_each_xbitmap_extent(bex, n, bitmap) {
+ for_each_xbitmap_extent(bex, bitmap) {
error = fn(bex->start, bex->len, priv);
if (error)
break;