LCOV - code coverage report
Current view: top level - lib - hash.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 6 0.0 %
Date: 2014-04-16 Functions: 0 3 0.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* General purpose hashing library
       2                 :            :  *
       3                 :            :  * That's a start of a kernel hashing library, which can be extended
       4                 :            :  * with further algorithms in future. arch_fast_hash{2,}() will
       5                 :            :  * eventually resolve to an architecture optimized implementation.
       6                 :            :  *
       7                 :            :  * Copyright 2013 Francesco Fusco <ffusco@redhat.com>
       8                 :            :  * Copyright 2013 Daniel Borkmann <dborkman@redhat.com>
       9                 :            :  * Copyright 2013 Thomas Graf <tgraf@redhat.com>
      10                 :            :  * Licensed under the GNU General Public License, version 2.0 (GPLv2)
      11                 :            :  */
      12                 :            : 
      13                 :            : #include <linux/jhash.h>
      14                 :            : #include <linux/hash.h>
      15                 :            : #include <linux/cache.h>
      16                 :            : 
      17                 :            : static struct fast_hash_ops arch_hash_ops __read_mostly = {
      18                 :            :         .hash  = jhash,
      19                 :            :         .hash2 = jhash2,
      20                 :            : };
      21                 :            : 
      22                 :          0 : u32 arch_fast_hash(const void *data, u32 len, u32 seed)
      23                 :            : {
      24                 :          0 :         return arch_hash_ops.hash(data, len, seed);
      25                 :            : }
      26                 :            : EXPORT_SYMBOL_GPL(arch_fast_hash);
      27                 :            : 
      28                 :          0 : u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed)
      29                 :            : {
      30                 :          0 :         return arch_hash_ops.hash2(data, len, seed);
      31                 :            : }
      32                 :            : EXPORT_SYMBOL_GPL(arch_fast_hash2);
      33                 :            : 
      34                 :          0 : static int __init hashlib_init(void)
      35                 :            : {
      36                 :            :         setup_arch_fast_hash(&arch_hash_ops);
      37                 :          0 :         return 0;
      38                 :            : }
      39                 :            : early_initcall(hashlib_init);

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