From d7ad41a1c498729b7584c257710b1b437a0c1470 Mon Sep 17 00:00:00 2001 From: Weijie Yang Date: Wed, 10 Jun 2015 11:14:49 -0700 Subject: [PATCH] zram: clear disk io accounting when reset zram device Clear zram disk io accounting when resetting the zram device. Otherwise the residual io accounting stat will affect the diskstat in the next zram active cycle. Signed-off-by: Weijie Yang Acked-by: Sergey Senozhatsky Acked-by: Minchan Kim Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/zram/zram_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 8dcbced0eafd..6e134f4759c0 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -805,7 +805,9 @@ static void zram_reset_device(struct zram *zram) memset(&zram->stats, 0, sizeof(zram->stats)); zram->disksize = 0; zram->max_comp_streams = 1; + set_capacity(zram->disk, 0); + part_stat_set_all(&zram->disk->part0, 0); up_write(&zram->init_lock); /* I/O operation under all of CPU are done so let's free */ -- 2.20.1