| 1 | #ifndef _NFS_FS_SB |
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| 2 | #define _NFS_FS_SB |
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| 3 | |
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| 4 | #include <asm/types.h> |
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| 5 | |
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| 6 | #include <linux/backing-dev.h> |
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| 7 | |
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| 8 | /* |
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| 9 | * NFS client parameters stored in the superblock. |
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| 10 | */ |
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| 11 | struct nfs_server { |
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| 12 | struct rpc_clnt * client; /* RPC client handle */ |
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| 13 | struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */ |
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| 14 | struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */ |
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| 15 | struct backing_dev_info backing_dev_info; |
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| 16 | int flags; /* various flags */ |
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| 17 | unsigned int caps; /* server capabilities */ |
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| 18 | unsigned int rsize; /* read size */ |
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| 19 | unsigned int rpages; /* read size (in pages) */ |
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| 20 | unsigned int wsize; /* write size */ |
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| 21 | unsigned int wpages; /* write size (in pages) */ |
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| 22 | unsigned int wtmult; /* server disk block size */ |
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| 23 | unsigned int dtsize; /* readdir size */ |
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| 24 | unsigned int bsize; /* server block size */ |
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| 25 | unsigned int acregmin; /* attr cache timeouts */ |
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| 26 | unsigned int acregmax; |
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| 27 | unsigned int acdirmin; |
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| 28 | unsigned int acdirmax; |
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| 29 | unsigned int namelen; |
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| 30 | char * hostname; /* remote hostname */ |
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| 31 | struct nfs_fh fh; |
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| 32 | struct sockaddr_in addr; |
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| 33 | #ifdef CONFIG_NFS_V4 |
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| 34 | /* Our own IP address, as a null-terminated string. |
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| 35 | * This is used to generate the clientid, and the callback address. |
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| 36 | */ |
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| 37 | char ip_addr[16]; |
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| 38 | char * mnt_path; |
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| 39 | struct nfs4_client * nfs4_state; /* all NFSv4 state starts here */ |
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| 40 | struct list_head nfs4_siblings; /* List of other nfs_server structs |
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| 41 | * that share the same clientid |
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| 42 | */ |
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| 43 | __u32 attr_bitmask[2];/* V4 bitmask representing the set |
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| 44 | of attributes supported on this |
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| 45 | filesystem */ |
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| 46 | __u32 acl_bitmask; /* V4 bitmask representing the ACEs |
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| 47 | that are supported on this |
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| 48 | filesystem */ |
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| 49 | #endif |
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| 50 | }; |
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| 51 | |
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| 52 | /* Server capabilities */ |
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| 53 | #define NFS_CAP_READDIRPLUS (1U << 0) |
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| 54 | #define NFS_CAP_HARDLINKS (1U << 1) |
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| 55 | #define NFS_CAP_SYMLINKS (1U << 2) |
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| 56 | #define NFS_CAP_ACLS (1U << 3) |
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| 57 | #define NFS_CAP_ATOMIC_OPEN (1U << 4) |
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| 58 | |
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| 59 | #endif |
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