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Implement chained (optimized) read in the primary OSD code

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This commit is contained in:
Vitaliy Filippov
2021-04-10 17:44:12 +03:00
parent 6950b8e3a0
commit 38a3df4a0e
11 changed files with 768 additions and 78 deletions
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src/osd_primary.h
+25 -9
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@@ -31,15 +31,31 @@ struct osd_primary_op_data_t
uint64_t *prev_set = NULL;
pg_osd_set_state_t *object_state = NULL;
// for sync. oops, requires freeing
std::vector<unstable_osd_num_t> *unstable_write_osds = NULL;
pool_pg_num_t *dirty_pgs = NULL;
int dirty_pg_count = 0;
osd_num_t *dirty_osds = NULL;
int dirty_osd_count = 0;
obj_ver_id *unstable_writes = NULL;
obj_ver_osd_t *copies_to_delete = NULL;
int copies_to_delete_count = 0;
union
{
struct
{
// for sync. oops, requires freeing
std::vector<unstable_osd_num_t> *unstable_write_osds;
pool_pg_num_t *dirty_pgs;
int dirty_pg_count;
osd_num_t *dirty_osds;
int dirty_osd_count;
obj_ver_id *unstable_writes;
obj_ver_osd_t *copies_to_delete;
int copies_to_delete_count;
};
struct
{
// for read_bitmaps
void *snapshot_bitmaps;
inode_t *read_chain;
uint8_t *missing_flags;
int chain_size;
osd_chain_read_t *chain_reads;
int chain_read_count;
};
};
};
bool contains_osd(osd_num_t *osd_set, uint64_t size, osd_num_t osd_num);