[PATCH] NFS: Add support for NFSv3 ACLs
[linux-2.6.git] / include / linux / nfs_fs_sb.h
1 #ifndef _NFS_FS_SB
2 #define _NFS_FS_SB
3
4 #include <linux/list.h>
5 #include <linux/backing-dev.h>
6
7 /*
8  * NFS client parameters stored in the superblock.
9  */
10 struct nfs_server {
11         struct rpc_clnt *       client;         /* RPC client handle */
12         struct rpc_clnt *       client_sys;     /* 2nd handle for FSINFO */
13         struct rpc_clnt *       client_acl;     /* ACL RPC client handle */
14         struct nfs_rpc_ops *    rpc_ops;        /* NFS protocol vector */
15         struct backing_dev_info backing_dev_info;
16         int                     flags;          /* various flags */
17         unsigned int            caps;           /* server capabilities */
18         unsigned int            rsize;          /* read size */
19         unsigned int            rpages;         /* read size (in pages) */
20         unsigned int            wsize;          /* write size */
21         unsigned int            wpages;         /* write size (in pages) */
22         unsigned int            wtmult;         /* server disk block size */
23         unsigned int            dtsize;         /* readdir size */
24         unsigned int            bsize;          /* server block size */
25         unsigned int            acregmin;       /* attr cache timeouts */
26         unsigned int            acregmax;
27         unsigned int            acdirmin;
28         unsigned int            acdirmax;
29         unsigned int            namelen;
30         char *                  hostname;       /* remote hostname */
31         struct nfs_fh           fh;
32         struct sockaddr_in      addr;
33 #ifdef CONFIG_NFS_V4
34         /* Our own IP address, as a null-terminated string.
35          * This is used to generate the clientid, and the callback address.
36          */
37         char                    ip_addr[16];
38         char *                  mnt_path;
39         struct nfs4_client *    nfs4_state;     /* all NFSv4 state starts here */
40         struct list_head        nfs4_siblings;  /* List of other nfs_server structs
41                                                  * that share the same clientid
42                                                  */
43         u32                     attr_bitmask[2];/* V4 bitmask representing the set
44                                                    of attributes supported on this
45                                                    filesystem */
46         u32                     acl_bitmask;    /* V4 bitmask representing the ACEs
47                                                    that are supported on this
48                                                    filesystem */
49 #endif
50 };
51
52 /* Server capabilities */
53 #define NFS_CAP_READDIRPLUS     (1U << 0)
54 #define NFS_CAP_HARDLINKS       (1U << 1)
55 #define NFS_CAP_SYMLINKS        (1U << 2)
56 #define NFS_CAP_ACLS            (1U << 3)
57 #define NFS_CAP_ATOMIC_OPEN     (1U << 4)
58
59 #endif