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Diffstat (limited to 'fs/afs/cell.c')
-rw-r--r--fs/afs/cell.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index f3d0bef16d78..6127f0fcd62c 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -514,6 +514,8 @@ static int afs_alloc_anon_key(struct afs_cell *cell)
*/
static int afs_activate_cell(struct afs_net *net, struct afs_cell *cell)
{
+ struct hlist_node **p;
+ struct afs_cell *pcell;
int ret;
if (!cell->anonymous_key) {
@@ -534,7 +536,18 @@ static int afs_activate_cell(struct afs_net *net, struct afs_cell *cell)
return ret;
mutex_lock(&net->proc_cells_lock);
- list_add_tail(&cell->proc_link, &net->proc_cells);
+ for (p = &net->proc_cells.first; *p; p = &(*p)->next) {
+ pcell = hlist_entry(*p, struct afs_cell, proc_link);
+ if (strcmp(cell->name, pcell->name) < 0)
+ break;
+ }
+
+ cell->proc_link.pprev = p;
+ cell->proc_link.next = *p;
+ rcu_assign_pointer(*p, &cell->proc_link.next);
+ if (cell->proc_link.next)
+ cell->proc_link.next->pprev = &cell->proc_link.next;
+
afs_dynroot_mkdir(net, cell);
mutex_unlock(&net->proc_cells_lock);
return 0;
@@ -550,7 +563,7 @@ static void afs_deactivate_cell(struct afs_net *net, struct afs_cell *cell)
afs_proc_cell_remove(cell);
mutex_lock(&net->proc_cells_lock);
- list_del_init(&cell->proc_link);
+ hlist_del_rcu(&cell->proc_link);
afs_dynroot_rmdir(net, cell);
mutex_unlock(&net->proc_cells_lock);