1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/vnode.h	Fri Aug 02 06:03:38 2013 +0300
     1.3 @@ -0,0 +1,46 @@
     1.4 +#ifndef VNODE_H_
     1.5 +#define VNODE_H_
     1.6 +
     1.7 +#include "pvfs_impl.h"
     1.8 +
     1.9 +enum node_type {
    1.10 +	VNODE_FILE,
    1.11 +	VNODE_DIR
    1.12 +};
    1.13 +
    1.14 +struct vnode {
    1.15 +	char *name;
    1.16 +	enum node_type type;
    1.17 +	/* obj is PVFS_FILE* or PVFS_DIR* depending on type.
    1.18 +	 * use VFILE/VDIR macros to access.
    1.19 +	 */
    1.20 +	void *obj;
    1.21 +
    1.22 +	/* this is a link to some other vnode which is mounted in this place */
    1.23 +	struct vnode *target;
    1.24 +
    1.25 +	/* regular tree stuff */
    1.26 +	struct vnode *parent;
    1.27 +	struct vnode *childlist;
    1.28 +	struct vnode *next;
    1.29 +};
    1.30 +
    1.31 +#define VFILE(n) \
    1.32 +	(assert((n)->type == VNODE_FILE), (PVFS_FILE*)(n)->obj)
    1.33 +#define VDIR(n)	\
    1.34 +	(assert((n)->type == VNODE_DIR), (PVFS_DIR*)(n)->obj)
    1.35 +
    1.36 +struct vnode *vnode_create(const char *name);
    1.37 +struct vnode *vnode_create_file(const char *name, PVFS_FILE *fp);
    1.38 +struct vnode *vnode_create_dir(const char *name, PVFS_DIR *dir);
    1.39 +void vnode_free(struct vnode *n);
    1.40 +void vnode_destroy_tree(struct vnode *tree);
    1.41 +
    1.42 +struct vnode *vnode_lookup(const char *path);
    1.43 +#define vnode_getcwd()	vnode_lookup("")
    1.44 +#define vnode_getroot()	vnode_lookup("/")
    1.45 +
    1.46 +int vnode_chdir(const char *name);
    1.47 +int vnode_mkdir(struct vnode *parent, const char *name);
    1.48 +
    1.49 +#endif	/* VNODE_H_ */