Release 4.11 fs/btrfs/hash.h
/*
* Copyright (C) 2007 Oracle. 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 v2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will 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 to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*/
#ifndef __HASH__
#define __HASH__
int __init btrfs_hash_init(void);
void btrfs_hash_exit(void);
const char* btrfs_crc32c_impl(void);
u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length);
static inline u64 btrfs_name_hash(const char *name, int len)
{
return btrfs_crc32c((u32)~1, name, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Woodhouse | 17 | 58.62% | 1 | 25.00% |
| Chris Mason | 10 | 34.48% | 1 | 25.00% |
| Filipe David Borba Manana | 1 | 3.45% | 1 | 25.00% |
| David S. Miller | 1 | 3.45% | 1 | 25.00% |
| Total | 29 | 100.00% | 4 | 100.00% |
/*
* Figure the key offset of an extended inode ref
*/
static inline u64 btrfs_extref_hash(u64 parent_objectid, const char *name,
int len)
{
return (u64) btrfs_crc32c(parent_objectid, name, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mark Fasheh | 30 | 96.77% | 1 | 50.00% |
| Filipe David Borba Manana | 1 | 3.23% | 1 | 50.00% |
| Total | 31 | 100.00% | 2 | 100.00% |
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Filipe David Borba Manana | 31 | 28.97% | 1 | 14.29% |
| Mark Fasheh | 31 | 28.97% | 1 | 14.29% |
| Chris Mason | 19 | 17.76% | 2 | 28.57% |
| David Woodhouse | 17 | 15.89% | 1 | 14.29% |
| Jeff Mahoney | 8 | 7.48% | 1 | 14.29% |
| David S. Miller | 1 | 0.93% | 1 | 14.29% |
| Total | 107 | 100.00% | 7 | 100.00% |
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