diff options
Diffstat (limited to 'include/linux/ceph/osdmap.h')
-rw-r--r-- | include/linux/ceph/osdmap.h | 66 |
1 files changed, 41 insertions, 25 deletions
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h index d05cc4451af6..49ff69f0746b 100644 --- a/include/linux/ceph/osdmap.h +++ b/include/linux/ceph/osdmap.h @@ -35,13 +35,26 @@ struct ceph_pg_pool_info { u8 object_hash; u32 pg_num, pgp_num; int pg_num_mask, pgp_num_mask; + s64 read_tier; + s64 write_tier; /* wins for read+write ops */ u64 flags; char *name; }; struct ceph_object_locator { - uint64_t pool; - char *key; + s64 pool; +}; + +/* + * Maximum supported by kernel client object name length + * + * (probably outdated: must be >= RBD_MAX_MD_NAME_LEN -- currently 100) + */ +#define CEPH_MAX_OID_NAME_LEN 100 + +struct ceph_object_id { + char name[CEPH_MAX_OID_NAME_LEN]; + int name_len; }; struct ceph_pg_mapping { @@ -73,33 +86,30 @@ struct ceph_osdmap { struct crush_map *crush; }; -/* - * file layout helpers - */ -#define ceph_file_layout_su(l) ((__s32)le32_to_cpu((l).fl_stripe_unit)) -#define ceph_file_layout_stripe_count(l) \ - ((__s32)le32_to_cpu((l).fl_stripe_count)) -#define ceph_file_layout_object_size(l) ((__s32)le32_to_cpu((l).fl_object_size)) -#define ceph_file_layout_cas_hash(l) ((__s32)le32_to_cpu((l).fl_cas_hash)) -#define ceph_file_layout_object_su(l) \ - ((__s32)le32_to_cpu((l).fl_object_stripe_unit)) -#define ceph_file_layout_pg_pool(l) \ - ((__s32)le32_to_cpu((l).fl_pg_pool)) - -static inline unsigned ceph_file_layout_stripe_width(struct ceph_file_layout *l) +static inline void ceph_oid_set_name(struct ceph_object_id *oid, + const char *name) { - return le32_to_cpu(l->fl_stripe_unit) * - le32_to_cpu(l->fl_stripe_count); + int len; + + len = strlen(name); + if (len > sizeof(oid->name)) { + WARN(1, "ceph_oid_set_name '%s' len %d vs %zu, truncating\n", + name, len, sizeof(oid->name)); + len = sizeof(oid->name); + } + + memcpy(oid->name, name, len); + oid->name_len = len; } -/* "period" == bytes before i start on a new set of objects */ -static inline unsigned ceph_file_layout_period(struct ceph_file_layout *l) +static inline void ceph_oid_copy(struct ceph_object_id *dest, + struct ceph_object_id *src) { - return le32_to_cpu(l->fl_object_size) * - le32_to_cpu(l->fl_stripe_count); + BUG_ON(src->name_len > sizeof(dest->name)); + memcpy(dest->name, src->name, src->name_len); + dest->name_len = src->name_len; } - static inline int ceph_osd_is_up(struct ceph_osdmap *map, int osd) { return (osd < map->max_osd) && (map->osd_state[osd] & CEPH_OSD_UP); @@ -155,14 +165,20 @@ extern int ceph_calc_file_object_mapping(struct ceph_file_layout *layout, u64 *bno, u64 *oxoff, u64 *oxlen); /* calculate mapping of object to a placement group */ -extern int ceph_calc_ceph_pg(struct ceph_pg *pg, const char *oid, - struct ceph_osdmap *osdmap, uint64_t pool); +extern int ceph_oloc_oid_to_pg(struct ceph_osdmap *osdmap, + struct ceph_object_locator *oloc, + struct ceph_object_id *oid, + struct ceph_pg *pg_out); + extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid, int *acting); extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid); +extern struct ceph_pg_pool_info *ceph_pg_pool_by_id(struct ceph_osdmap *map, + u64 id); + 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); |