NFSv4.1 mdsthreshold attribute xdr

We only support one layout type per file system, so one threshold_item4 per
mdsthreshold4.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 0872f32c8eef..201c312152fb 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -35,6 +35,15 @@ static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid
         return a->major == b->major && a->minor == b->minor;
 }
 
+struct nfs4_threshold {
+        __u32   bm;
+        __u32   l_type;
+        __u64   rd_sz;
+        __u64   wr_sz;
+        __u64   rd_io_sz;
+        __u64   wr_io_sz;
+};
+
 struct nfs_fattr {
         unsigned int            valid;          /* which fields are valid */
         umode_t                 mode;
@@ -67,6 +76,7 @@ struct nfs_fattr {
         unsigned long           gencount;
         struct nfs4_string      *owner_name;
         struct nfs4_string      *group_name;
+        struct nfs4_threshold   *mdsthreshold;  /* pNFS threshold hints */
 };
 
 #define NFS_ATTR_FATTR_TYPE             (1U << 0)