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The object will be hashed to a placement seed (ps) based on the pg_pool's hash function. This allows new hashes to be introduced into an existing object store, or selection of a hash appropriate to the objects that will be stored in a particular pool. Signed-off-by: Sage Weil <sage@newdream.net>
14 lines
435 B
C
14 lines
435 B
C
#ifndef _FS_CEPH_HASH_H
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#define _FS_CEPH_HASH_H
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#define CEPH_STR_HASH_LINUX 0x1 /* linux dcache hash */
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#define CEPH_STR_HASH_RJENKINS 0x2 /* robert jenkins' */
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extern unsigned ceph_str_hash_linux(const char *s, unsigned len);
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extern unsigned ceph_str_hash_rjenkins(const char *s, unsigned len);
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extern unsigned ceph_str_hash(int type, const char *s, unsigned len);
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extern const char *ceph_str_hash_name(int type);
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#endif
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