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ceph: make CRUSH hash function a bucket property

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Make the integer hash function a property of the bucket it is used on.  This
allows us to gracefully add support for new hash functions without starting
from scatch.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil
2009-11-07 20:18:22 -08:00
parent 1654dd0cf5
commit fb690390e3
5 changed files with 93 additions and 21 deletions
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3
fs/ceph/osdmap.c
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@@ -210,7 +210,8 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
ceph_decode_need(p, end, 4*sizeof(u32), bad);
b->id = ceph_decode_32(p);
b->type = ceph_decode_16(p);
b->alg = ceph_decode_16(p);
b->alg = ceph_decode_8(p);
b->hash = ceph_decode_8(p);
b->weight = ceph_decode_32(p);
b->size = ceph_decode_32(p);