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3d14c5d2b6
This factors out protocol and low-level storage parts of ceph into a separate libceph module living in net/ceph and include/linux/ceph. This is mostly a matter of moving files around. However, a few key pieces of the interface change as well: - ceph_client becomes ceph_fs_client and ceph_client, where the latter captures the mon and osd clients, and the fs_client gets the mds client and file system specific pieces. - Mount option parsing and debugfs setup is correspondingly broken into two pieces. - The mon client gets a generic handler callback for otherwise unknown messages (mds map, in this case). - The basic supported/required feature bits can be expanded (and are by ceph_fs_client). No functional change, aside from some subtle error handling cases that got cleaned up in the refactoring process. Signed-off-by: Sage Weil <sage@newdream.net>
21 lines
432 B
C
21 lines
432 B
C
#ifndef CEPH_CRUSH_MAPPER_H
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#define CEPH_CRUSH_MAPPER_H
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/*
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* CRUSH functions for find rules and then mapping an input to an
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* output set.
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*
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* LGPL2
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*/
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#include "crush.h"
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extern int crush_find_rule(struct crush_map *map, int pool, int type, int size);
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extern int crush_do_rule(struct crush_map *map,
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int ruleno,
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int x, int *result, int result_max,
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int forcefeed, /* -1 for none */
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__u32 *weights);
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#endif
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