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422 giacomo 1 
/*
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 *  coda_fs_i.h
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 *
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 *  Copyright (C) 1998 Carnegie Mellon University
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 *
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 */
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#ifndef _LINUX_CODA_FS_I
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#define _LINUX_CODA_FS_I
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/list.h>
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#include <linux/coda.h>
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/*
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 * coda fs inode data
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 */
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struct coda_inode_info {
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        struct CodaFid     c_fid;       /* Coda identifier */
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        u_short            c_flags;     /* flags (see below) */
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        struct list_head   c_cilist;    /* list of all coda inodes */
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        unsigned int       c_mapcount;  /* nr of times this inode is mapped */
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        unsigned int       c_cached_epoch; /* epoch for cached permissions */
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        vuid_t             c_uid;       /* fsuid for cached permissions */
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        unsigned int       c_cached_perm; /* cached access permissions */
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        struct inode       vfs_inode;
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};
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/*
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 * coda fs file private data
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 */
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#define CODA_MAGIC 0xC0DAC0DA
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struct coda_file_info {
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        int                cfi_magic;     /* magic number */
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        struct file       *cfi_container; /* container file for this cnode */
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        unsigned int       cfi_mapcount;  /* nr of times this file is mapped */
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};
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#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data))
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/* flags */
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#define C_VATTR       0x1   /* Validity of vattr in inode */
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#define C_FLUSH       0x2   /* used after a flush */
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#define C_DYING       0x4   /* from venus (which died) */
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#define C_PURGE       0x8
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int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
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struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
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int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
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struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
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void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
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#endif
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#endif