libceph: pi->min_size, pi->last_force_request_resend

Add and decode pi->min_size and pi->last_force_request_resend.  These
are going to be used by calc_target().
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

include/linux/ceph/osdmap.h

@@ -26,20 +26,23 @@ struct ceph_pg {
 
 int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs);
 
-#define CEPH_POOL_FLAG_HASHPSPOOL  1
+#define CEPH_POOL_FLAG_HASHPSPOOL	(1ULL << 0) /* hash pg seed and pool id
+						       together */
 
 struct ceph_pg_pool_info {
 	struct rb_node node;
 	s64 id;
-	u8 type;
+	u8 type; /* CEPH_POOL_TYPE_* */
 	u8 size;
+	u8 min_size;
 	u8 crush_ruleset;
 	u8 object_hash;
+	u32 last_force_request_resend;
 	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;
+	u64 flags; /* CEPH_POOL_FLAG_* */
 	char *name;
 };
 

net/ceph/debugfs.c

@@ -66,12 +66,14 @@ static int osdmap_show(struct seq_file *s, void *p)
 		   (map->flags & CEPH_OSDMAP_FULL) ?  " FULL" : "");
 
 	for (n = rb_first(&map->pg_pools); n; n = rb_next(n)) {
-		struct ceph_pg_pool_info *pool =
+		struct ceph_pg_pool_info *pi =
 			rb_entry(n, struct ceph_pg_pool_info, node);
 
-		seq_printf(s, "pool %lld pg_num %u (%d) read_tier %lld write_tier %lld\n",
-			   pool->id, pool->pg_num, pool->pg_num_mask,
-			   pool->read_tier, pool->write_tier);
+		seq_printf(s, "pool %lld '%s' type %d size %d min_size %d pg_num %u pg_num_mask %d flags 0x%llx lfor %u read_tier %lld write_tier %lld\n",
+			   pi->id, pi->name, pi->type, pi->size, pi->min_size,
+			   pi->pg_num, pi->pg_num_mask, pi->flags,
+			   pi->last_force_request_resend, pi->read_tier,
+			   pi->write_tier);
 	}
 	for (i = 0; i < map->max_osd; i++) {
 		struct ceph_entity_addr *addr = &map->osd_addr[i];

net/ceph/osdmap.c

@@ -597,7 +597,9 @@ static int decode_pool(void **p, void *end, struct ceph_pg_pool_info *pi)
 	*p += 4;  /* skip crash_replay_interval */
 
 	if (ev >= 7)
-		*p += 1;  /* skip min_size */
+		pi->min_size = ceph_decode_8(p);
+	else
+		pi->min_size = pi->size - pi->size / 2;
 
 	if (ev >= 8)
 		*p += 8 + 8;  /* skip quota_max_* */
@@ -617,6 +619,50 @@ static int decode_pool(void **p, void *end, struct ceph_pg_pool_info *pi)
 		pi->write_tier = -1;
 	}
 
+	if (ev >= 10) {
+		/* skip properties */
+		num = ceph_decode_32(p);
+		while (num--) {
+			len = ceph_decode_32(p);
+			*p += len; /* key */
+			len = ceph_decode_32(p);
+			*p += len; /* val */
+		}
+	}
+
+	if (ev >= 11) {
+		/* skip hit_set_params */
+		*p += 1 + 1; /* versions */
+		len = ceph_decode_32(p);
+		*p += len;
+
+		*p += 4; /* skip hit_set_period */
+		*p += 4; /* skip hit_set_count */
+	}
+
+	if (ev >= 12)
+		*p += 4; /* skip stripe_width */
+
+	if (ev >= 13) {
+		*p += 8; /* skip target_max_bytes */
+		*p += 8; /* skip target_max_objects */
+		*p += 4; /* skip cache_target_dirty_ratio_micro */
+		*p += 4; /* skip cache_target_full_ratio_micro */
+		*p += 4; /* skip cache_min_flush_age */
+		*p += 4; /* skip cache_min_evict_age */
+	}
+
+	if (ev >=  14) {
+		/* skip erasure_code_profile */
+		len = ceph_decode_32(p);
+		*p += len;
+	}
+
+	if (ev >= 15)
+		pi->last_force_request_resend = ceph_decode_32(p);
+	else
+		pi->last_force_request_resend = 0;
+
 	/* ignore the rest */
 
 	*p = pool_end;