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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * coda_fs_i.h4 *5 * Copyright (C) 1998 Carnegie Mellon University6 *7 */8 9#ifndef _LINUX_CODA_FS_I10#define _LINUX_CODA_FS_I11 12#include <linux/types.h>13#include <linux/list.h>14#include <linux/spinlock.h>15#include <linux/coda.h>16 17/*18 * coda fs inode data19 * c_lock protects accesses to c_flags, c_mapcount, c_cached_epoch, c_uid and20 * c_cached_perm.21 * vfs_inode is set only when the inode is created and never changes.22 * c_fid is set when the inode is created and should be considered immutable.23 */24struct coda_inode_info {25 struct CodaFid c_fid; /* Coda identifier */26 u_short c_flags; /* flags (see below) */27 unsigned int c_mapcount; /* nr of times this inode is mapped */28 unsigned int c_cached_epoch; /* epoch for cached permissions */29 kuid_t c_uid; /* fsuid for cached permissions */30 unsigned int c_cached_perm; /* cached access permissions */31 spinlock_t c_lock;32 struct inode vfs_inode;33};34 35/*36 * coda fs file private data37 */38#define CODA_MAGIC 0xC0DAC0DA39struct coda_file_info {40 int cfi_magic; /* magic number */41 struct file *cfi_container; /* container file for this cnode */42 unsigned int cfi_mapcount; /* nr of times this file is mapped */43 bool cfi_access_intent; /* is access intent supported */44};45 46/* flags */47#define C_VATTR 0x1 /* Validity of vattr in inode */48#define C_FLUSH 0x2 /* used after a flush */49#define C_DYING 0x4 /* from venus (which died) */50#define C_PURGE 0x851 52struct inode *coda_cnode_make(struct CodaFid *, struct super_block *);53struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);54struct inode *coda_cnode_makectl(struct super_block *sb);55struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);56struct coda_file_info *coda_ftoc(struct file *file);57void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);58 59#endif60