mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
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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typedef struct {
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unsigned char __u_bits[16];
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} uuid_t;
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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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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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#endif /* __XFS_SUPPORT_UUID_H__ */
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