zram: trivial: correct flag operations comment

We don't have meta->tb_lock anymore and use meta table entry bit_spin_lock
instead.  update comment.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index b6b556567eb4666cdcc018d3d7a49ca661a8486c..2769bc899bda2cf649fe6acb7f674b7548807f0c 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -70,7 +70,7 @@ static inline struct zram *dev_to_zram(struct device *dev)
        return (struct zram *)dev_to_disk(dev)->private_data;
 }
 
-/* flag operations needs meta->tb_lock */
+/* flag operations require table entry bit_spin_lock() being held */
 static int zram_test_flag(struct zram_meta *meta, u32 index,
                        enum zram_pageflags flag)
 {