- add a mount feature bit for CRC enabled filesystems - add some helpers for generating and verifying the CRCs - add a copy_uuid helper The checksumming helpers are loosely based on similar ones in sctp, all other bits come from Dave Chinner. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
		
			
				
	
	
		
			35 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
	
		
			1.1 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
 | 
						|
 * All Rights Reserved.
 | 
						|
 *
 | 
						|
 * This program is free software; you can redistribute it and/or
 | 
						|
 * modify it under the terms of the GNU General Public License as
 | 
						|
 * published by the Free Software Foundation.
 | 
						|
 *
 | 
						|
 * This program is distributed in the hope that it would be useful,
 | 
						|
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
 * GNU General Public License for more details.
 | 
						|
 *
 | 
						|
 * You should have received a copy of the GNU General Public License
 | 
						|
 * along with this program; if not, write the Free Software Foundation,
 | 
						|
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 | 
						|
 */
 | 
						|
#ifndef __XFS_SUPPORT_UUID_H__
 | 
						|
#define __XFS_SUPPORT_UUID_H__
 | 
						|
 | 
						|
typedef struct {
 | 
						|
	unsigned char	__u_bits[16];
 | 
						|
} uuid_t;
 | 
						|
 | 
						|
extern int uuid_is_nil(uuid_t *uuid);
 | 
						|
extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
 | 
						|
extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
 | 
						|
 | 
						|
static inline void
 | 
						|
uuid_copy(uuid_t *dst, uuid_t *src)
 | 
						|
{
 | 
						|
	memcpy(dst, src, sizeof(uuid_t));
 | 
						|
}
 | 
						|
 | 
						|
#endif	/* __XFS_SUPPORT_UUID_H__ */
 |