Instead of calling list_entry with head->prev simply call
list_last_entry which makes it obvious which member of the list is
being referred. This allows to remove the extra 'prev' pointer.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
*/
static int add_falloc_range(struct list_head *head, u64 start, u64 len)
{
- struct falloc_range *prev = NULL;
struct falloc_range *range = NULL;
if (list_empty(head))
* As fallocate iterate by bytenr order, we only need to check
* the last range.
*/
- prev = list_entry(head->prev, struct falloc_range, list);
- if (prev->start + prev->len == start) {
- prev->len += len;
+ range = list_last_entry(head, struct falloc_range, list);
+ if (range->start + range->len == start) {
+ range->len += len;
return 0;
}
insert: