113 struct Vnode {  struct
122     struct Vnode *parent;               /* parent vnode */  argument
139     int (*Create)(struct Vnode *parent, const char *name, int mode, struct Vnode **vnode);  argument
140     int (*Lookup)(struct Vnode *parent, const char *name, int len, struct Vnode **vnode);
141     int (*Open)(struct Vnode *vnode, int fd, int mode, int flags);
142     ssize_t (*ReadPage)(struct Vnode *vnode, char *buffer, off_t pos);
143     ssize_t (*WritePage)(struct Vnode *vnode, char *buffer, off_t pos, size_t buflen);
144     int (*Close)(struct Vnode *vnode);
145     int (*Reclaim)(struct Vnode *vnode);
146     int (*Unlink)(struct Vnode *parent, struct Vnode *vnode, const char *fileName);
147     int (*Rmdir)(struct Vnode *parent, struct Vnode *vnode, const char *dirName);
148     int (*Mkdir)(struct Vnode *parent, const char *dirName, mode_t mode, struct Vnode **vnode);
149     int (*Readdir)(struct Vnode *vnode, struct fs_dirent_s *dir);
150     int (*Opendir)(struct Vnode *vnode, struct fs_dirent_s *dir);
151     int (*Rewinddir)(struct Vnode *vnode, struct fs_dirent_s *dir);
152     int (*Closedir)(struct Vnode *vnode, struct fs_dirent_s *dir);
153     int (*Getattr)(struct Vnode *vnode, struct stat *st);
154     int (*Setattr)(struct Vnode *vnode, struct stat *st);
155     int (*Chattr)(struct Vnode *vnode, struct IATTR *attr);
156 …int (*Rename)(struct Vnode *src, struct Vnode *dstParent, const char *srcName, const char *dstName…
157     int (*Truncate)(struct Vnode *vnode, off_t len);
158     int (*Truncate64)(struct Vnode *vnode, off64_t len);
159     int (*Fscheck)(struct Vnode *vnode, struct fs_dirent_s *dir);
160 …  int (*Link)(struct Vnode *src, struct Vnode *dstParent, struct Vnode **dst, const char *dstName);
161 …int (*Symlink)(struct Vnode *parentVnode, struct Vnode **newVnode, const char *path, const char *t…
162     ssize_t (*Readlink)(struct Vnode *vnode, char *buffer, size_t bufLen);
165 typedef int VfsHashCmp(struct Vnode *vnode, void *arg);
169 int VnodeAlloc(struct VnodeOps *vop, struct Vnode **newVnode);
170 int VnodeFree(struct Vnode *vnode);
171 int VnodeLookup(const char *path, struct Vnode **vnode, uint32_t flags);
172 int VnodeLookupFullpath(const char *fullpath, struct Vnode **vnode, uint32_t flags);
173 int VnodeLookupAt(const char *path, struct Vnode **vnode, uint32_t flags, struct Vnode *orgVnode);
176 void VnodeRefDec(struct Vnode *vnode);
179 uint32_t VfsHashIndex(struct Vnode *vnode);
180 int VfsHashGet(const struct Mount *mount, uint32_t hash, struct Vnode **vnode, VfsHashCmp *fun, voi…
181 void VfsHashRemove(struct Vnode *vnode);
182 int VfsHashInsert(struct Vnode *vnode, uint32_t hash);
183 void ChangeRoot(struct Vnode *newRoot);
185 struct Vnode *VnodeGetRoot(void);
189 int VfsVnodePermissionCheck(const struct Vnode *node, int accMode);
194 struct Vnode *GetCurrRootVnode(void);
196 struct Vnode *VnodeFind(int fd);