1 files changed, 58 insertions, 0 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
new file mode 100644
index 000000000000..fc51645d61ee
--- /dev/null
+++ b/include/linux/nfs_fs_sb.h
@@ -0,0 +1,58 @@
+#ifndef _NFS_FS_SB
+#define _NFS_FS_SB
+
+#include <linux/list.h>
+#include <linux/backing-dev.h>
+
+/*
+ * NFS client parameters stored in the superblock.
+ */
+struct nfs_server {
+        struct rpc_clnt *       client;         /* RPC client handle */
+        struct rpc_clnt *       client_sys;     /* 2nd handle for FSINFO */
+        struct nfs_rpc_ops *    rpc_ops;        /* NFS protocol vector */
+        struct backing_dev_info backing_dev_info;
+        int                     flags;          /* various flags */
+        unsigned int            caps;           /* server capabilities */
+        unsigned int            rsize;          /* read size */
+        unsigned int            rpages;         /* read size (in pages) */
+        unsigned int            wsize;          /* write size */
+        unsigned int            wpages;         /* write size (in pages) */
+        unsigned int            wtmult;         /* server disk block size */
+        unsigned int            dtsize;         /* readdir size */
+        unsigned int            bsize;          /* server block size */
+        unsigned int            acregmin;       /* attr cache timeouts */
+        unsigned int            acregmax;
+        unsigned int            acdirmin;
+        unsigned int            acdirmax;
+        unsigned int            namelen;
+        char *                  hostname;       /* remote hostname */
+        struct nfs_fh           fh;
+        struct sockaddr_in      addr;
+#ifdef CONFIG_NFS_V4
+        /* Our own IP address, as a null-terminated string.
+         * This is used to generate the clientid, and the callback address.
+         */
+        char                    ip_addr[16];
+        char *                  mnt_path;
+        struct nfs4_client *    nfs4_state;     /* all NFSv4 state starts here */
+        struct list_head        nfs4_siblings;  /* List of other nfs_server structs
+                                                 * that share the same clientid
+                                                 */
+        u32                     attr_bitmask[2];/* V4 bitmask representing the set
+                                                   of attributes supported on this
+                                                   filesystem */
+        u32                     acl_bitmask;    /* V4 bitmask representing the ACEs
+                                                   that are supported on this
+                                                   filesystem */
+#endif
+};
+
+/* Server capabilities */
+#define NFS_CAP_READDIRPLUS     (1U << 0)
+#define NFS_CAP_HARDLINKS       (1U << 1)
+#define NFS_CAP_SYMLINKS        (1U << 2)
+#define NFS_CAP_ACLS            (1U << 3)
+#define NFS_CAP_ATOMIC_OPEN     (1U << 4)
+
+#endif