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Implement PG state locking and PG moving in response to etcd events

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This commit is contained in:
Vitaliy Filippov
2020-04-29 22:23:38 +03:00
parent ec4a52af48
commit 7b57eeeeb3
13 changed files with 784 additions and 289 deletions
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osd_peering_pg.h
+12 -10
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@@ -9,18 +9,20 @@
#include "osd_ops.h"
// Placement group states
// STARTING -> [acquire lock] -> PEERING -> INCOMPLETE|ACTIVE -> STOPPING -> OFFLINE -> [release lock]
// Exactly one of these:
#define PG_OFFLINE (1<<0)
#define PG_STARTING (1<<0)
#define PG_PEERING (1<<1)
#define PG_INCOMPLETE (1<<2)
#define PG_ACTIVE (1<<3)
#define PG_STOPPING (1<<4)
#define PG_OFFLINE (1<<5)
// Plus any of these:
#define PG_DEGRADED (1<<5)
#define PG_HAS_INCOMPLETE (1<<6)
#define PG_HAS_DEGRADED (1<<7)
#define PG_HAS_MISPLACED (1<<8)
#define PG_HAS_UNCLEAN (1<<9)
#define PG_DEGRADED (1<<6)
#define PG_HAS_INCOMPLETE (1<<7)
#define PG_HAS_DEGRADED (1<<8)
#define PG_HAS_MISPLACED (1<<9)
#define PG_HAS_UNCLEAN (1<<10)
// FIXME: Safe default that doesn't depend on pg_stripe_size or pg_block_size
#define STRIPE_MASK ((uint64_t)4096 - 1)
@@ -33,8 +35,8 @@
#define OBJ_NEEDS_ROLLBACK 0x20000
#define OBJ_BUGGY 0x80000
extern const int pg_state_bits[10];
extern const char *pg_state_names[10];
extern const int pg_state_bits[];
extern const char *pg_state_names[];
extern const int pg_state_bit_count;
struct pg_obj_loc_t
@@ -96,7 +98,7 @@ struct pg_flush_batch_t
struct pg_t
{
int state = PG_OFFLINE;
int state = 0;
uint64_t pg_cursize = 3, pg_size = 3, pg_minsize = 2;
pg_num_t pg_num;
uint64_t clean_count = 0, total_count = 0;
@@ -122,7 +124,7 @@ struct pg_t
int inflight = 0; // including write_queue
std::multimap<object_id, osd_op_t*> write_queue;
void calc_object_states();
void calc_object_states(int log_level);
void print_state();
};