Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752943AbaAPNQV (ORCPT ); Thu, 16 Jan 2014 08:16:21 -0500 Received: from mail-ea0-f170.google.com ([209.85.215.170]:49407 "EHLO mail-ea0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752912AbaAPNQQ (ORCPT ); Thu, 16 Jan 2014 08:16:16 -0500 From: Sergey Senozhatsky To: Andrew Morton Cc: Minchan Kim , Jerome Marchand , Nitin Gupta , linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCHv3 6/8] zram: report failed read and write stats Date: Thu, 16 Jan 2014 16:12:14 +0300 Message-Id: <1389877936-15543-7-git-send-email-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 1.8.5.3.493.gb139ac2 In-Reply-To: <1389877936-15543-1-git-send-email-sergey.senozhatsky@gmail.com> References: <1389877936-15543-1-git-send-email-sergey.senozhatsky@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org zram accounted but did not report numbers of failed read and write queries. make these stats available as failed_reads and failed_writes attrs. Acked-by: Minchan Kim Acked-by: Jerome Marchand Signed-off-by: Sergey Senozhatsky --- drivers/block/zram/zram_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index e7102f1..9d67fbf 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -728,6 +728,8 @@ static DEVICE_ATTR(mem_used_total, S_IRUGO, mem_used_total_show, NULL); ZRAM_ATTR_RO(num_reads); ZRAM_ATTR_RO(num_writes); +ZRAM_ATTR_RO(failed_reads); +ZRAM_ATTR_RO(failed_writes); ZRAM_ATTR_RO(invalid_io); ZRAM_ATTR_RO(notify_free); ZRAM_ATTR_RO(zero_pages); @@ -739,6 +741,8 @@ static struct attribute *zram_disk_attrs[] = { &dev_attr_reset.attr, &dev_attr_num_reads.attr, &dev_attr_num_writes.attr, + &dev_attr_failed_reads.attr, + &dev_attr_failed_writes.attr, &dev_attr_invalid_io.attr, &dev_attr_notify_free.attr, &dev_attr_zero_pages.attr, -- 1.8.5.3.493.gb139ac2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/