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libceph: decode into cpu-native ceph_pg type

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Always decode data into our cpu-native ceph_pg type that has the correct
field widths.  Limit any remaining uses of ceph_pg_v1 to dealing with the
legacy protocol.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
This commit is contained in:
Sage Weil
2013-02-23 10:38:16 -08:00
parent 12979354a1
commit 5b191d9914
6 changed files with 62 additions and 48 deletions
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11
include/linux/ceph/osdmap.h
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@@ -18,6 +18,11 @@
* The map can be updated either via an incremental map (diff) describing
* the change between two successive epochs, or as a fully encoded map.
*/
struct ceph_pg {
uint64_t pool;
uint32_t seed;
};
struct ceph_pg_pool_info {
struct rb_node node;
int id;
@@ -28,7 +33,7 @@ struct ceph_pg_pool_info {
struct ceph_pg_mapping {
struct rb_node node;
struct ceph_pg_v1 pgid;
struct ceph_pg pgid;
int len;
int osds[];
};
@@ -119,10 +124,10 @@ extern int ceph_calc_object_layout(struct ceph_object_layout *ol,
struct ceph_file_layout *fl,
struct ceph_osdmap *osdmap);
extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap,
struct ceph_pg_v1 pgid,
struct ceph_pg pgid,
int *acting);
extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
struct ceph_pg_v1 pgid);
struct ceph_pg pgid);
extern const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id);
extern int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name);