 bc02e8693d
			
		
	
	
	bc02e8693d
	
	
	
		
			
			- 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
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
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|  * All Rights Reserved.
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License as
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|  * published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it would be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write the Free Software Foundation,
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|  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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|  */
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| #ifndef __XFS_SUPPORT_UUID_H__
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| #define __XFS_SUPPORT_UUID_H__
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| 
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| typedef struct {
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| 	unsigned char	__u_bits[16];
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| } uuid_t;
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| 
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| extern int uuid_is_nil(uuid_t *uuid);
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| extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
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| extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
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| 
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| static inline void
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| uuid_copy(uuid_t *dst, uuid_t *src)
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| {
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| 	memcpy(dst, src, sizeof(uuid_t));
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| }
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| 
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| #endif	/* __XFS_SUPPORT_UUID_H__ */
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