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Message-id: <"000001d099be$fae6cc90$f0b465b0$@yang"@samsung.com> Date: Fri, 29 May 2015 11:23:24 +0800 From: Weijie Yang <weijie.yang@...sung.com> To: 'Minchan Kim' <minchan@...nel.org> Cc: 'Andrew Morton' <akpm@...ux-foundation.org>, sergey.senozhatsky.work@...il.com, ngupta@...are.org, 'Weijie Yang' <weijie.yang.kh@...il.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: [PATCH] zram: clear disk io accounting when reset zram device This patch clears zram disk io accounting when reset the zram device, if don't do this, the residual io accounting stat will affect the diskstat in the next zram active cycle. Signed-off-by: Weijie Yang <weijie.yang@...sung.com> --- 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 8dcbced..6e134f4 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 */ -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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