ocfs2: correct spelling mistake for migratable for all

Inspired by the ocfs2 patch to fix the spelling of migrateable to
migratable, I checked all ocfs2 files and found more spelling mistakes.
So correct them all.

Link: http://lkml.kernel.org/r/1521525734-19576-1-git-send-email-ge.changwei@h3c.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/dlm/dlmmaster.c

@@ -2490,13 +2490,13 @@ static void dlm_deref_lockres_worker(struct dlm_work_item *item, void *data)
 }
 
 /*
- * A migrateable resource is one that is :
+ * A migratable resource is one that is :
  * 1. locally mastered, and,
  * 2. zero local locks, and,
  * 3. one or more non-local locks, or, one or more references
  * Returns 1 if yes, 0 if not.
  */
-static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm,
+static int dlm_is_lockres_migratable(struct dlm_ctxt *dlm,
 				      struct dlm_lock_resource *res)
 {
 	enum dlm_lockres_list idx;
@@ -2527,7 +2527,7 @@ static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm,
 				continue;
 			}
 			cookie = be64_to_cpu(lock->ml.cookie);
-			mlog(0, "%s: Not migrateable res %.*s, lock %u:%llu on "
+			mlog(0, "%s: Not migratable res %.*s, lock %u:%llu on "
 			     "%s list\n", dlm->name, res->lockname.len,
 			     res->lockname.name,
 			     dlm_get_lock_cookie_node(cookie),
@@ -2787,7 +2787,7 @@ int dlm_empty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 	assert_spin_locked(&dlm->spinlock);
 
 	spin_lock(&res->spinlock);
-	if (dlm_is_lockres_migrateable(dlm, res))
+	if (dlm_is_lockres_migratable(dlm, res))
 		target = dlm_pick_migration_target(dlm, res);
 	spin_unlock(&res->spinlock);