MAINTAINERS: add myself as a maintainer of xen-netback

[cascardo/linux.git] / include / linux / nfs4.h

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index bfed6b3..c6564ad 100644 (file)
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -643,4 +643,15 @@ enum pnfs_update_layout_reason {
        PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET,
 };
 
+#define NFS4_OP_MAP_NUM_LONGS                                  \
+       DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
+#define NFS4_OP_MAP_NUM_WORDS \
+       (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
+struct nfs4_op_map {
+       union {
+               unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
+               u32 words[NFS4_OP_MAP_NUM_WORDS];
+       } u;
+};
+
 #endif