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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 11:17:26 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 11:17:26 +0000 |
| commit | f9b44121b34174ae4f243a568393fc3225842e75 (patch) | |
| tree | 943f68cd7458d08a9e8809ed0a10b71b23911f3e /fs/ceph/crush/hash.h | |
| parent | 8727b909bb2348d29e62c599cd7a5d610da3760f (diff) | |
| parent | 220bf991b0366cc50a94feede3d7341fa5710ee4 (diff) | |
Merge commit 'v2.6.34-rc2' into for-2.6.34
Diffstat (limited to 'fs/ceph/crush/hash.h')
| -rw-r--r-- | fs/ceph/crush/hash.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/ceph/crush/hash.h b/fs/ceph/crush/hash.h new file mode 100644 index 000000000000..ff48e110e4bb --- /dev/null +++ b/fs/ceph/crush/hash.h @@ -0,0 +1,17 @@ +#ifndef _CRUSH_HASH_H +#define _CRUSH_HASH_H + +#define CRUSH_HASH_RJENKINS1 0 + +#define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1 + +extern const char *crush_hash_name(int type); + +extern __u32 crush_hash32(int type, __u32 a); +extern __u32 crush_hash32_2(int type, __u32 a, __u32 b); +extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c); +extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d); +extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d, + __u32 e); + +#endif |