Add routines to locate the debugfs mount point and to manage the mounting and unmounting of the debugfs. Signed-off-by: Clark Williams <williams@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <20091101155621.2b3503ee@torg> Signed-off-by: Ingo Molnar <mingo@elte.hu>
		
			
				
	
	
		
			25 lines
		
	
	
	
		
			700 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
	
		
			700 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef __DEBUGFS_H__
 | 
						|
#define __DEBUGFS_H__
 | 
						|
 | 
						|
#include <sys/mount.h>
 | 
						|
 | 
						|
#ifndef MAX_PATH
 | 
						|
# define MAX_PATH 256
 | 
						|
#endif
 | 
						|
 | 
						|
#ifndef STR
 | 
						|
# define _STR(x) #x
 | 
						|
# define STR(x) _STR(x)
 | 
						|
#endif
 | 
						|
 | 
						|
extern const char *debugfs_find_mountpoint(void);
 | 
						|
extern int debugfs_valid_mountpoint(const char *debugfs);
 | 
						|
extern int debugfs_valid_entry(const char *path);
 | 
						|
extern int debugfs_mount(const char *mountpoint);
 | 
						|
extern int debugfs_umount(void);
 | 
						|
extern int debugfs_write(const char *entry, const char *value);
 | 
						|
extern int debugfs_read(const char *entry, char *buffer, size_t size);
 | 
						|
extern void debugfs_force_cleanup(void);
 | 
						|
extern int debugfs_make_path(const char *element, char *buffer, int size);
 | 
						|
 | 
						|
#endif /* __DEBUGFS_H__ */
 |