cluster_list_add_tail

Name:cluster_list_add_tail

Proto:static void cluster_list_add_tail(struct swap_cluster_list *list, struct swap_cluster_info *ci, unsigned int idx)

Type:void

Parameter:

Type	Parameter	Name
struct swap_cluster_list *	list
struct swap_cluster_info *	ci
unsigned int	idx

404

If cluster_list_empty(list) Then

405

cluster_set_next_flag( & head, idx, 0)

406

cluster_set_next_flag( & tail, idx, 0)

407

Else

409

tail = cluster_next( & tail)

415

ci_tail = ci + tail

416

spin_lock_nested( & Protect swap_cluster_info fields* and swap_info_struct->swap_map* elements correspond to the swap* cluster, For trivial one-depth nesting of a lock-class, the following* global define can be used. (Subsystems with multiple levels* of nesting should define their own lock-nesting subclasses.))

417

cluster_set_next(ci_tail, idx)

418

spin_unlock( & Protect swap_cluster_info fields* and swap_info_struct->swap_map* elements correspond to the swap* cluster)

419

cluster_set_next_flag( & tail, idx, 0)

**Caller**
Name	Describe
swap_cluster_schedule_discard	Add a cluster to discard list and schedule it to do discard
__free_cluster
setup_swap_map_and_extents

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