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@redhat.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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