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libceph: avoid unnecessary pi lookups in calc_target()

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Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov
2017-06-15 16:30:56 +02:00
parent 6d637a540e
commit df28152d53
3 changed files with 42 additions and 30 deletions
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10
include/linux/ceph/osdmap.h
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@@ -273,16 +273,22 @@ extern int ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
u64 off, u64 len,
u64 *bno, u64 *oxoff, u64 *oxlen);
int __ceph_object_locator_to_pg(struct ceph_pg_pool_info *pi,
const struct ceph_object_id *oid,
const struct ceph_object_locator *oloc,
struct ceph_pg *raw_pgid);
int ceph_object_locator_to_pg(struct ceph_osdmap *osdmap,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
const struct ceph_object_id *oid,
const struct ceph_object_locator *oloc,
struct ceph_pg *raw_pgid);
void ceph_pg_to_up_acting_osds(struct ceph_osdmap *osdmap,
struct ceph_pg_pool_info *pi,
const struct ceph_pg *raw_pgid,
struct ceph_osds *up,
struct ceph_osds *acting);
bool ceph_pg_to_primary_shard(struct ceph_osdmap *osdmap,
struct ceph_pg_pool_info *pi,
const struct ceph_pg *raw_pgid,
struct ceph_spg *spgid);
int ceph_pg_to_acting_primary(struct ceph_osdmap *osdmap,