1 /* 2 * coda_fs_i.h 3 * 4 * Copyright (C) 1998 Carnegie Mellon University 5 * 6 */ 7 8 #ifndef _LINUX_CODA_FS_I 9 #define _LINUX_CODA_FS_I 10 11 #ifdef __KERNEL__ 12 #include <linux/types.h> 13 #include <linux/list.h> 14 #include <linux/coda.h> 15 16 /* 17 * coda fs inode data 18 */ 19 struct coda_inode_info { 20 struct CodaFid c_fid; /* Coda identifier */ 21 u_short c_flags; /* flags (see below) */ 22 struct list_head c_cilist; /* list of all coda inodes */ 23 unsigned int c_mapcount; /* nr of times this inode is mapped */ 24 unsigned int c_cached_epoch; /* epoch for cached permissions */ 25 vuid_t c_uid; /* fsuid for cached permissions */ 26 unsigned int c_cached_perm; /* cached access permissions */ 27 struct inode vfs_inode; 28 }; 29 30 /* 31 * coda fs file private data 32 */ 33 #define CODA_MAGIC 0xC0DAC0DA 34 struct coda_file_info { 35 int cfi_magic; /* magic number */ 36 struct file *cfi_container; /* container file for this cnode */ 37 unsigned int cfi_mapcount; /* nr of times this file is mapped */ 38 }; 39 40 #define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data)) 41 42 /* flags */ 43 #define C_VATTR 0x1 /* Validity of vattr in inode */ 44 #define C_FLUSH 0x2 /* used after a flush */ 45 #define C_DYING 0x4 /* from venus (which died) */ 46 #define C_PURGE 0x8 47 48 int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *); 49 struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr); 50 int coda_cnode_makectl(struct inode **inode, struct super_block *sb); 51 struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb); 52 void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *); 53 54 #endif 55 #endif 56