#ifndef _NFS_FS_SB #define _NFS_FS_SB #include <linux/list.h> #include <linux/backing-dev.h> struct nfs_iostats; /* * 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 rpc_clnt * client_acl; /* ACL RPC client handle */ struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */ struct nfs_iostats * io_stats; /* I/O statistics */ 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 long retrans_timeo; /* retransmit timeout */ unsigned int retrans_count; /* number of retransmit tries */ unsigned int namelen; char * hostname; /* remote hostname */ struct nfs_fh fh; struct sockaddr_in addr; struct nfs_fsid fsid; unsigned long mount_time; /* when this fs was mounted */ #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