blk-throttle: Fix some comments' typos

Fix some comments' typos.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index fee3325..2fc6c3e 100644 (file)
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -150,7 +150,7 @@ struct throtl_grp {
        /* user configured IOPS limits */
        unsigned int iops_conf[2][LIMIT_CNT];
 
-       /* Number of bytes disptached in current slice */
+       /* Number of bytes dispatched in current slice */
        uint64_t bytes_disp[2];
        /* Number of bio's dispatched in current slice */
        unsigned int io_disp[2];
@@ -852,7 +852,7 @@ static inline void throtl_trim_slice(struct throtl_grp *tg, bool rw)
        /*
         * A bio has been dispatched. Also adjust slice_end. It might happen
         * that initially cgroup limit was very low resulting in high
-        * slice_end, but later limit was bumped up and bio was dispached
+        * slice_end, but later limit was bumped up and bio was dispatched
         * sooner, then we need to reduce slice_end. A high bogus slice_end
         * is bad because it does not allow new slice to start.
         */
@@ -1082,7 +1082,7 @@ static void throtl_add_bio_tg(struct bio *bio, struct throtl_qnode *qn,
         * If @tg doesn't currently have any bios queued in the same
         * direction, queueing @bio can change when @tg should be
         * dispatched.  Mark that @tg was empty.  This is automatically
-        * cleaered on the next tg_update_disptime().
+        * cleared on the next tg_update_disptime().
         */
        if (!sq->nr_queued[rw])
                tg->flags |= THROTL_TG_WAS_EMPTY;
@@ -1303,7 +1303,7 @@ again:
                        }
                }
        } else {
-               /* reached the top-level, queue issueing */
+               /* reached the top-level, queue issuing */
                queue_work(kthrotld_workqueue, &td->dispatch_work);
        }
 out_unlock:
@@ -1314,8 +1314,8 @@ out_unlock:
  * blk_throtl_dispatch_work_fn - work function for throtl_data->dispatch_work
  * @work: work item being executed
  *
- * This function is queued for execution when bio's reach the bio_lists[]
- * of throtl_data->service_queue.  Those bio's are ready and issued by this
+ * This function is queued for execution when bios reach the bio_lists[]
+ * of throtl_data->service_queue.  Those bios are ready and issued by this
  * function.
  */
 static void blk_throtl_dispatch_work_fn(struct work_struct *work)
@@ -2230,7 +2230,7 @@ again:
 
                /*
                 * @bio passed through this layer without being throttled.
-                * Climb up the ladder.  If we''re already at the top, it
+                * Climb up the ladder.  If we're already at the top, it
                 * can be executed directly.
                 */
                qn = &tg->qnode_on_parent[rw];