From: Peng Tao <tao.peng@primarydata.com>
To: linux-nfs <linux-nfs@vger.kernel.org>
Cc: Peng Tao <tao.peng@primarydata.com>
Subject: [PATCH 09/11] pnfs/flexfiles: reset IO statistics upon LAYOUTSTATS success
Date: Tue, 16 Jun 2015 22:47:30 +0800 [thread overview]
Message-ID: <1434466052-10491-10-git-send-email-tao.peng@primarydata.com> (raw)
In-Reply-To: <1434466052-10491-1-git-send-email-tao.peng@primarydata.com>
Per RFC NFSv42 draft, client MUST reset the statistics after getting
a successfully reply from the metadata server.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
---
fs/nfs/flexfilelayout/flexfilelayout.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 64beedd..4b79c74 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1881,6 +1881,14 @@ ff_layout_cleanup_layoutstats(struct nfs42_layoutstat_data *data)
for (i = 0; i < data->args.num_dev; i++) {
mirror = data->args.devinfo[i].layout_private;
data->args.devinfo[i].layout_private = NULL;
+ if (data->res.rpc_status == NFS4_OK) {
+ spin_lock(&mirror->lock);
+ memset(&mirror->read_stat.io_stat, 0,
+ sizeof(mirror->read_stat.io_stat));
+ memset(&mirror->write_stat.io_stat, 0,
+ sizeof(mirror->write_stat.io_stat));
+ spin_unlock(&mirror->lock);
+ }
pnfs_put_lseg(mirror->lseg);
}
}
--
1.8.3.1
next prev parent reply other threads:[~2015-06-16 14:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 14:47 [PATCH 00/11] pnfs/flexfiles: layoutstats support Peng Tao
2015-06-16 14:47 ` [PATCH 01/11] NFSv.2/pnfs Add a LAYOUTSTATS rpc function Peng Tao
2015-06-18 20:14 ` Jeff Layton
2015-06-16 14:47 ` [PATCH 02/11] pNFS: fill in nfs42_layoutstat_ops Peng Tao
2015-06-16 14:47 ` [PATCH 03/11] pnfs: add pnfs_report_layoutstat helper function Peng Tao
2015-06-16 14:47 ` [PATCH 04/11] pNFS/flexfiles: Remove unused struct members user_name, group_name Peng Tao
2015-06-16 14:47 ` [PATCH 05/11] pNFS/flexfiles: add layoutstats tracking Peng Tao
2015-06-16 14:47 ` [PATCH 06/11] pNFS/flexfiles: track when layout is first used Peng Tao
2015-06-18 16:30 ` Jeff Layton
2015-06-16 14:47 ` [PATCH 07/11] pnfs/flexfiles: add ff_layout_prepare_layoutstats Peng Tao
2015-06-16 14:47 ` [PATCH 08/11] pnfs/flexfiles: encode LAYOUTSTATS flexfiles specific data Peng Tao
2015-06-16 14:47 ` Peng Tao [this message]
2015-06-16 14:47 ` [PATCH 10/11] nfs42: serialize LAYOUTSTATS calls of the same file Peng Tao
2015-06-16 14:47 ` [PATCH 11/11] pnfs/flexfiles: report layoutstat regularly Peng Tao
2015-06-18 20:17 ` [PATCH 00/11] pnfs/flexfiles: layoutstats support Jeff Layton
2015-06-19 1:47 ` Peng Tao
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