coda_fs_i.h
来自「基于组件方式开发操作系统的OSKIT源代码」· C头文件 代码 · 共 57 行
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57 行
/* * coda_fs_i.h * * Copyright (C) 1998 Carnegie Mellon University * */#ifndef _LINUX_CODA_FS_I#define _LINUX_CODA_FS_I#ifdef __KERNEL__#include <linux/types.h>#include <linux/list.h>#include <linux/coda.h>#define CODA_CNODE_MAGIC 0x47114711/* * coda fs inode data */struct coda_inode_info { /* * This is a place holder so named pipes work (more or less * correctly). This must be first in the struct because the * data is really accessed via inode->u.pipe_i. */ struct pipe_inode_info pipeinfo; struct ViceFid c_fid; /* Coda identifier */ u_short c_flags; /* flags (see below) */ u_short c_ocount; /* count of openers */ u_short c_owrite; /* count of open for write */ u_short c_mmcount; /* count of mmappers */ struct inode *c_ovp; /* open inode pointer */ struct list_head c_cnhead; /* head of cache entries */ struct list_head c_volrootlist; /* list of volroot cnoddes */ struct inode *c_vnode; /* inode associated with cnode */ int c_magic; /* to verify the data structure */};/* flags */#define C_VATTR 0x1 /* Validity of vattr in inode */#define C_PURGE 0x8#define C_ZAPDIR 0x10#define C_DYING 0x4 /* from venus (which died) */#define C_INITED 0x20#define C_FLUSH 0x2 /* used after a flush */int coda_cnode_make(struct inode **, struct ViceFid *, struct super_block *);int coda_cnode_makectl(struct inode **inode, struct super_block *sb);struct inode *coda_fid_to_inode(ViceFid *fid, struct super_block *sb);void coda_replace_fid(struct inode *, ViceFid *, ViceFid *);#endif#endif
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