From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huaisheng Ye Subject: [PATCH v3 5/5] dm-writecache: output seq_count within status Date: Thu, 31 Jan 2019 10:29:55 +0800 Message-ID: <20190131022955.9920-6-yehs2007@zoho.com> References: <20190131022955.9920-1-yehs2007@zoho.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190131022955.9920-1-yehs2007-ytc+IHgoah0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: mpatocka-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, agk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: jack-AlSwsSmVLrQ@public.gmane.org, corbet-T1hC0tSOHrs@public.gmane.org, linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, hch-jcswGhMUV9g@public.gmane.org List-Id: dm-devel.ids From: Huaisheng Ye seq_count is important for flush operations, output it within status for debugging and analyzing code behavior. Signed-off-by: Huaisheng Ye --- drivers/md/dm-writecache.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index 2c1e825..3396710 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -2231,9 +2231,9 @@ static void writecache_status(struct dm_target *ti, status_type_t type, switch (type) { case STATUSTYPE_INFO: - DMEMIT("%ld %llu %llu %llu", writecache_has_error(wc), + DMEMIT("%ld %llu %llu %llu %llu", writecache_has_error(wc), (unsigned long long)wc->n_blocks, (unsigned long long)wc->freelist_size, - (unsigned long long)wc->writeback_size); + (unsigned long long)wc->writeback_size, wc->seq_count); break; case STATUSTYPE_TABLE: DMEMIT("%c %s %s %u ", WC_MODE_PMEM(wc) ? 'p' : 's', -- 1.8.3.1