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#ifndef _NFS_FS_I

#define _NFS_FS_I

#include <asm/types.h>

#include <linux/list.h>

#include <linux/nfs.h>

/*

 * nfs fs inode data in memory

 */

struct nfs_inode_info {

        /*

         * The 64bit 'inode number'

         */

        __u64 fileid;

        /*

         * NFS file handle

         */

        struct nfs_fh           fh;

        /*

         * Various flags

         */

        unsigned short          flags;

        /*

         * read_cache_jiffies is when we started read-caching this inode,

         * and read_cache_mtime is the mtime of the inode at that time.

         * attrtimeo is for how long the cached information is assumed

         * to be valid. A successful attribute revalidation doubles

         * attrtimeo (up to acregmax/acdirmax), a failure resets it to

         * acregmin/acdirmin.

         *

         * We need to revalidate the cached attrs for this inode if

         *

         *      jiffies - read_cache_jiffies > attrtimeo

         *

         * and invalidate any cached data/flush out any dirty pages if

         * we find that

         *

         *      mtime != read_cache_mtime

         */

        unsigned long           read_cache_jiffies;

        __u64                   read_cache_ctime;

        __u64                   read_cache_mtime;

        __u64                   read_cache_isize;

        unsigned long           attrtimeo;

        unsigned long           attrtimeo_timestamp;

        /*

         * Timestamp that dates the change made to read_cache_mtime.

         * This is of use for dentry revalidation

         */

        unsigned long           cache_mtime_jiffies;

        /*

         * This is the cookie verifier used for NFSv3 readdir

         * operations

         */

        __u32                   cookieverf[2];

        /*

         * This is the list of dirty unwritten pages.

         */

        struct list_head        read;

        struct list_head        dirty;

        struct list_head        commit;

        struct list_head        writeback;

        unsigned int            nread,

                                ndirty,

                                ncommit,

                                npages;

        /* Credentials for shared mmap */

        struct rpc_cred         *mm_cred;

};

/*

 * Legal inode flag values

 */

#define NFS_INO_STALE           0x0001          /* possible stale inode */

#define NFS_INO_ADVISE_RDPLUS   0x0002          /* advise readdirplus */

#define NFS_INO_REVALIDATING    0x0004          /* revalidating attrs */

#define NFS_IS_SNAPSHOT         0x0010          /* a snapshot file */

#define NFS_INO_FLUSH           0x0020          /* inode is due for flushing */

/*

 * NFS lock info

 */

struct nfs_lock_info {

        u32             state;

        u32             flags;

        struct nlm_host *host;

};

/*

 * Lock flag values

 */

#define NFS_LCK_GRANTED         0x0001          /* lock has been granted */

#define NFS_LCK_RECLAIM         0x0002          /* lock marked for reclaiming */

#endif