linux-kernel - [PATCH 30/37] NFS: Add some new I/O event counters for FS-Cache events

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Message-ID: <20080220160839.4715.90209.stgit@warthog.procyon.org.uk>
Date:	Wed, 20 Feb 2008 16:08:39 +0000
From:	David Howells <dhowells@...hat.com>
To:	Trond.Myklebust@...app.com, chuck.lever@...cle.com,
	casey@...aufler-ca.com
Cc:	nfsv4@...ux-nfs.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, selinux@...ho.nsa.gov,
	linux-security-module@...r.kernel.org, dhowells@...hat.com
Subject: [PATCH 30/37] NFS: Add some new I/O event counters for FS-Cache events

Add some new NFS I/O event counters for FS-Cache events.  They have to be
added as byte counters because I may need to be able to increase the numbers
by more than 1 at a time.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/nfs/iostat.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)


diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
index 6350ecb..0e3b170 100644
--- a/fs/nfs/iostat.h
+++ b/fs/nfs/iostat.h
@@ -60,6 +60,13 @@ enum nfs_stat_bytecounters {
 	NFSIOS_SERVERWRITTENBYTES,
 	NFSIOS_READPAGES,
 	NFSIOS_WRITEPAGES,
+#ifdef CONFIG_NFS_FSCACHE
+	NFSIOS_FSCACHE_READ_OK,
+	NFSIOS_FSCACHE_READ_FAIL,
+	NFSIOS_FSCACHE_WRITE_OK,
+	NFSIOS_FSCACHE_WRITE_FAIL,
+	NFSIOS_FSCACHE_UNCACHE,
+#endif
 	__NFSIOS_BYTESMAX,
 };
 

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