1c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 2c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * coda_fs_i.h 3c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 4c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * Copyright (C) 1998 Carnegie Mellon University 5c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * 6c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 7c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 8c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef _LINUX_CODA_FS_I 9c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _LINUX_CODA_FS_I 10c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 11c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifdef __KERNEL__ 12c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/types.h> 13c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/list.h> 14c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/coda.h> 15c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 16c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 17c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * coda fs inode data 18c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 19c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct coda_inode_info { 20c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct CodaFid c_fid; /* Coda identifier */ 21c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru u_short c_flags; /* flags (see below) */ 22c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct list_head c_cilist; /* list of all coda inodes */ 23c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned int c_mapcount; /* nr of times this inode is mapped */ 24c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned int c_cached_epoch; /* epoch for cached permissions */ 25c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru vuid_t c_uid; /* fsuid for cached permissions */ 26c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned int c_cached_perm; /* cached access permissions */ 27c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct inode vfs_inode; 28c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 29c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 30c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 31c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru * coda fs file private data 32c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru */ 33c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define CODA_MAGIC 0xC0DAC0DA 34c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct coda_file_info { 35c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru int cfi_magic; /* magic number */ 36c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru struct file *cfi_container; /* container file for this cnode */ 37c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned int cfi_mapcount; /* nr of times this file is mapped */ 38c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru}; 39c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 40c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data)) 41c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 42c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* flags */ 43c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define C_VATTR 0x1 /* Validity of vattr in inode */ 44c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define C_FLUSH 0x2 /* used after a flush */ 45c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define C_DYING 0x4 /* from venus (which died) */ 46c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define C_PURGE 0x8 47c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 48c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruint coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *); 49c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr); 50c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruint coda_cnode_makectl(struct inode **inode, struct super_block *sb); 51c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querustruct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb); 52c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruvoid coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *); 53c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 54c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 55c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 56