diff options
| author | Andy Adamson <andros@netapp.com> | 2012-05-24 13:13:24 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-24 16:15:48 -0400 |
| commit | 2701d086dbfca03b2d28b25c6dc11dd78d0e26ad (patch) | |
| tree | 69f81dd2a979600cd3ff4f1861c6d7ef5c25b1ed /include/linux/nfs_fs.h | |
| parent | 82be417aa37c05116e310b0f2171187ea389f89b (diff) | |
| download | lwn-2701d086dbfca03b2d28b25c6dc11dd78d0e26ad.tar.gz lwn-2701d086dbfca03b2d28b25c6dc11dd78d0e26ad.zip | |
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>
Diffstat (limited to 'include/linux/nfs_fs.h')
| -rw-r--r-- | include/linux/nfs_fs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index ce910cb7d761..b23cfc120edb 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -202,6 +202,9 @@ struct nfs_inode { /* pNFS layout information */ struct pnfs_layout_hdr *layout; #endif /* CONFIG_NFS_V4*/ + /* how many bytes have been written/read and how many bytes queued up */ + __u64 write_io; + __u64 read_io; #ifdef CONFIG_NFS_FSCACHE struct fscache_cookie *fscache; #endif |