From 2701d086dbfca03b2d28b25c6dc11dd78d0e26ad Mon Sep 17 00:00:00 2001
From: Andy Adamson <andros@netapp.com>
Date: Thu, 24 May 2012 13:13:24 -0400
Subject: NFSv4.1 add nfs_inode book keeping for mdsthreshold

Keep track of the number of bytes read or written via buffered, direct, and
mem-mapped i/o for use by mdsthreshold size_io hints.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/file.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'fs/nfs/file.c')

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 8eda8a6644c3..56311ca5f9f8 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -424,6 +424,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
 
 	if (status < 0)
 		return status;
+	NFS_I(mapping->host)->write_io += copied;
 	return copied;
 }
 
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