UBIFS: correct spelling of "thrice".

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>

fs/ubifs/budget.c

@@ -263,7 +263,7 @@ int ubifs_calc_min_idx_lebs(struct ubifs_info *c)
 
 	idx_size = c->old_idx_sz + c->budg_idx_growth + c->budg_uncommitted_idx;
 
-	/* And make sure we have trice the index size of space reserved */
+	/* And make sure we have thrice the index size of space reserved */
 	idx_size = idx_size + (idx_size << 1);
 
 	/*
@@ -388,7 +388,7 @@ static int can_use_rp(struct ubifs_info *c)
  * This function makes sure UBIFS has enough free eraseblocks for index growth
  * and data.
  *
- * When budgeting index space, UBIFS reserves trice as more LEBs as the index
+ * When budgeting index space, UBIFS reserves thrice as many LEBs as the index
  * would take if it was consolidated and written to the flash. This guarantees
  * that the "in-the-gaps" commit method always succeeds and UBIFS will always
  * be able to commit dirty index. So this function basically adds amount of

fs/ubifs/find.c

@@ -290,7 +290,7 @@ int ubifs_find_dirty_leb(struct ubifs_info *c, struct ubifs_lprops *ret_lp,
 		idx_lp = idx_heap->arr[0];
 		sum = idx_lp->free + idx_lp->dirty;
 		/*
-		 * Since we reserve trice as more space for the index than it
+		 * Since we reserve thrice as much space for the index than it
 		 * actually takes, it does not make sense to pick indexing LEBs
 		 * with less than, say, half LEB of dirty space. May be half is
 		 * not the optimal boundary - this should be tested and