Rename "jerasure" to "ec" in pool configuration, function names, fix documentation and Debian build scripts

Old pool configurations with "jerasure" also remain supported as an alias for "ec"
This commit is contained in:
Vitaliy Filippov
2022-06-03 15:40:00 +03:00
parent c4eb46600d
commit a0cae4c180
23 changed files with 87 additions and 67 deletions
+1 -1
View File
@@ -127,7 +127,7 @@ resume_1:
pool_stats[pool_cfg.id] = json11::Json::object {
{ "name", pool_cfg.name },
{ "pg_count", pool_cfg.pg_count },
{ "scheme", pool_cfg.scheme == POOL_SCHEME_REPLICATED ? "replicated" : "jerasure" },
{ "scheme", pool_cfg.scheme == POOL_SCHEME_REPLICATED ? "replicated" : "ec" },
{ "scheme_name", pool_cfg.scheme == POOL_SCHEME_REPLICATED
? std::to_string(pool_cfg.pg_size)+"/"+std::to_string(pool_cfg.pg_minsize)
: "EC "+std::to_string(pool_cfg.pg_size-pool_cfg.parity_chunks)+"+"+std::to_string(pool_cfg.parity_chunks) },
+6 -6
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@@ -673,18 +673,18 @@ void etcd_state_client_t::parse_state(const etcd_kv_t & kv)
pc.scheme = POOL_SCHEME_REPLICATED;
else if (pool_item.second["scheme"] == "xor")
pc.scheme = POOL_SCHEME_XOR;
else if (pool_item.second["scheme"] == "jerasure")
pc.scheme = POOL_SCHEME_JERASURE;
else if (pool_item.second["scheme"] == "ec" || pool_item.second["scheme"] == "jerasure")
pc.scheme = POOL_SCHEME_EC;
else
{
fprintf(stderr, "Pool %u has invalid coding scheme (one of \"xor\", \"replicated\" or \"jerasure\" required), skipping pool\n", pool_id);
fprintf(stderr, "Pool %u has invalid coding scheme (one of \"xor\", \"replicated\", \"ec\" or \"jerasure\" required), skipping pool\n", pool_id);
continue;
}
// PG Size
pc.pg_size = pool_item.second["pg_size"].uint64_value();
if (pc.pg_size < 1 ||
pool_item.second["pg_size"].uint64_value() < 3 &&
(pc.scheme == POOL_SCHEME_XOR || pc.scheme == POOL_SCHEME_JERASURE) ||
(pc.scheme == POOL_SCHEME_XOR || pc.scheme == POOL_SCHEME_EC) ||
pool_item.second["pg_size"].uint64_value() > 256)
{
fprintf(stderr, "Pool %u has invalid pg_size, skipping pool\n", pool_id);
@@ -701,7 +701,7 @@ void etcd_state_client_t::parse_state(const etcd_kv_t & kv)
}
pc.parity_chunks = 1;
}
if (pc.scheme == POOL_SCHEME_JERASURE &&
if (pc.scheme == POOL_SCHEME_EC &&
(pc.parity_chunks < 1 || pc.parity_chunks > pc.pg_size-2))
{
fprintf(stderr, "Pool %u has invalid parity_chunks (must be between 1 and pg_size-2), skipping pool\n", pool_id);
@@ -710,7 +710,7 @@ void etcd_state_client_t::parse_state(const etcd_kv_t & kv)
// PG MinSize
pc.pg_minsize = pool_item.second["pg_minsize"].uint64_value();
if (pc.pg_minsize < 1 || pc.pg_minsize > pc.pg_size ||
(pc.scheme == POOL_SCHEME_XOR || pc.scheme == POOL_SCHEME_JERASURE) &&
(pc.scheme == POOL_SCHEME_XOR || pc.scheme == POOL_SCHEME_EC) &&
pc.pg_minsize < (pc.pg_size-pc.parity_chunks))
{
fprintf(stderr, "Pool %u has invalid pg_minsize, skipping pool\n", pool_id);
+4 -4
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@@ -676,9 +676,9 @@ void osd_t::apply_pg_config()
.all_peers = std::vector<osd_num_t>(all_peers.begin(), all_peers.end()),
.target_set = pg_cfg.target_set,
};
if (pg.scheme == POOL_SCHEME_JERASURE)
if (pg.scheme == POOL_SCHEME_EC)
{
use_jerasure(pg.pg_size, pg.pg_data_size, true);
use_ec(pg.pg_size, pg.pg_data_size, true);
}
this->pg_state_dirty.insert({ .pool_id = pool_id, .pg_num = pg_num });
pg.print_state();
@@ -890,9 +890,9 @@ void osd_t::report_pg_states()
{
// Forget offline PGs after reporting their state
// (if the state wasn't changed again)
if (pg_it->second.scheme == POOL_SCHEME_JERASURE)
if (pg_it->second.scheme == POOL_SCHEME_EC)
{
use_jerasure(pg_it->second.pg_size, pg_it->second.pg_data_size, false);
use_ec(pg_it->second.pg_size, pg_it->second.pg_data_size, false);
}
this->pgs.erase(pg_it);
}
+1 -1
View File
@@ -5,7 +5,7 @@
#define POOL_SCHEME_REPLICATED 1
#define POOL_SCHEME_XOR 2
#define POOL_SCHEME_JERASURE 3
#define POOL_SCHEME_EC 3
#define POOL_ID_MAX 0x10000
#define POOL_ID_BITS 16
#define INODE_POOL(inode) (pool_id_t)((inode) >> (64 - POOL_ID_BITS))
+2 -2
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@@ -241,9 +241,9 @@ resume_2:
{
reconstruct_stripes_xor(stripes, op_data->pg_size, clean_entry_bitmap_size);
}
else if (op_data->scheme == POOL_SCHEME_JERASURE)
else if (op_data->scheme == POOL_SCHEME_EC)
{
reconstruct_stripes_jerasure(stripes, op_data->pg_size, op_data->pg_data_size, clean_entry_bitmap_size);
reconstruct_stripes_ec(stripes, op_data->pg_size, op_data->pg_data_size, clean_entry_bitmap_size);
}
cur_op->iov.push_back(op_data->stripes[0].bmp_buf, cur_op->reply.rw.bitmap_len);
for (int role = 0; role < op_data->pg_size; role++)
+4 -4
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@@ -110,9 +110,9 @@ resume_1:
{
reconstruct_stripes_xor(local_stripes, pg.pg_size, clean_entry_bitmap_size);
}
else if (pg.scheme == POOL_SCHEME_JERASURE)
else if (pg.scheme == POOL_SCHEME_EC)
{
reconstruct_stripes_jerasure(local_stripes, pg.pg_size, pg.pg_data_size, clean_entry_bitmap_size);
reconstruct_stripes_ec(local_stripes, pg.pg_size, pg.pg_data_size, clean_entry_bitmap_size);
}
break;
}
@@ -506,9 +506,9 @@ void osd_t::send_chained_read_results(pg_t & pg, osd_op_t *cur_op)
{
reconstruct_stripes_xor(stripes, pg.pg_size, clean_entry_bitmap_size);
}
else if (op_data->scheme == POOL_SCHEME_JERASURE)
else if (op_data->scheme == POOL_SCHEME_EC)
{
reconstruct_stripes_jerasure(stripes, pg.pg_size, pg.pg_data_size, clean_entry_bitmap_size);
reconstruct_stripes_ec(stripes, pg.pg_size, pg.pg_data_size, clean_entry_bitmap_size);
}
}
}
+2 -2
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@@ -132,9 +132,9 @@ resume_3:
{
calc_rmw_parity_xor(op_data->stripes, pg.pg_size, op_data->prev_set, pg.cur_set.data(), bs_block_size, clean_entry_bitmap_size);
}
else if (pg.scheme == POOL_SCHEME_JERASURE)
else if (pg.scheme == POOL_SCHEME_EC)
{
calc_rmw_parity_jerasure(op_data->stripes, pg.pg_size, op_data->pg_data_size, op_data->prev_set, pg.cur_set.data(), bs_block_size, clean_entry_bitmap_size);
calc_rmw_parity_ec(op_data->stripes, pg.pg_size, op_data->pg_data_size, op_data->prev_set, pg.cur_set.data(), bs_block_size, clean_entry_bitmap_size);
}
}
// Send writes
+10 -10
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@@ -4,7 +4,7 @@
#include <stdexcept>
#include <string.h>
#include <assert.h>
#include <jerasure/reed_sol.h>
#include <reed_sol.h>
#include <jerasure.h>
#ifdef WITH_ISAL
#include <isa-l/erasure_code.h>
@@ -155,9 +155,9 @@ struct reed_sol_matrix_t
std::map<reed_sol_erased_t, void*> decodings;
};
std::map<uint64_t, reed_sol_matrix_t> matrices;
static std::map<uint64_t, reed_sol_matrix_t> matrices;
void use_jerasure(int pg_size, int pg_minsize, bool use)
void use_ec(int pg_size, int pg_minsize, bool use)
{
uint64_t key = (uint64_t)pg_size | ((uint64_t)pg_minsize) << 32;
auto rs_it = matrices.find(key);
@@ -202,7 +202,7 @@ void use_jerasure(int pg_size, int pg_minsize, bool use)
}
}
reed_sol_matrix_t* get_jerasure_matrix(int pg_size, int pg_minsize)
static reed_sol_matrix_t* get_ec_matrix(int pg_size, int pg_minsize)
{
uint64_t key = (uint64_t)pg_size | ((uint64_t)pg_minsize) << 32;
auto rs_it = matrices.find(key);
@@ -228,7 +228,7 @@ static void* get_jerasure_decoding_matrix(osd_rmw_stripe_t *stripes, int pg_size
edd++;
if (edd == 0)
return NULL;
reed_sol_matrix_t *matrix = get_jerasure_matrix(pg_size, pg_minsize);
reed_sol_matrix_t *matrix = get_ec_matrix(pg_size, pg_minsize);
auto dec_it = matrix->decodings.find((reed_sol_erased_t){ .data = erased, .size = pg_size });
if (dec_it == matrix->decodings.end())
{
@@ -293,7 +293,7 @@ static void* get_jerasure_decoding_matrix(osd_rmw_stripe_t *stripes, int pg_size
}
#ifdef WITH_ISAL
void reconstruct_stripes_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize, uint32_t bitmap_size)
void reconstruct_stripes_ec(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize, uint32_t bitmap_size)
{
uint8_t *dectable = (uint8_t*)get_jerasure_decoding_matrix(stripes, pg_size, pg_minsize);
if (!dectable)
@@ -342,7 +342,7 @@ void reconstruct_stripes_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg
}
}
#else
void reconstruct_stripes_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize, uint32_t bitmap_size)
void reconstruct_stripes_ec(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize, uint32_t bitmap_size)
{
int *dm_ids = (int*)get_jerasure_decoding_matrix(stripes, pg_size, pg_minsize);
if (!dm_ids)
@@ -792,12 +792,12 @@ void calc_rmw_parity_xor(osd_rmw_stripe_t *stripes, int pg_size, uint64_t *read_
calc_rmw_parity_copy_parity(stripes, pg_size, pg_minsize, read_osd_set, write_osd_set, chunk_size, start, end);
}
void calc_rmw_parity_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize,
void calc_rmw_parity_ec(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize,
uint64_t *read_osd_set, uint64_t *write_osd_set, uint32_t chunk_size, uint32_t bitmap_size)
{
uint32_t bitmap_granularity = bitmap_size > 0 ? chunk_size / bitmap_size / 8 : 0;
reed_sol_matrix_t *matrix = get_jerasure_matrix(pg_size, pg_minsize);
reconstruct_stripes_jerasure(stripes, pg_size, pg_minsize, bitmap_size);
reed_sol_matrix_t *matrix = get_ec_matrix(pg_size, pg_minsize);
reconstruct_stripes_ec(stripes, pg_size, pg_minsize, bitmap_size);
uint32_t start = 0, end = 0;
calc_rmw_parity_copy_mod(stripes, pg_size, pg_minsize, read_osd_set, write_osd_set, chunk_size, bitmap_granularity, start, end);
if (end != 0)
+3 -3
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@@ -44,9 +44,9 @@ void* calc_rmw(void *request_buf, osd_rmw_stripe_t *stripes, uint64_t *read_osd_
void calc_rmw_parity_xor(osd_rmw_stripe_t *stripes, int pg_size, uint64_t *read_osd_set, uint64_t *write_osd_set,
uint32_t chunk_size, uint32_t bitmap_size);
void use_jerasure(int pg_size, int pg_minsize, bool use);
void use_ec(int pg_size, int pg_minsize, bool use);
void reconstruct_stripes_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize, uint32_t bitmap_size);
void reconstruct_stripes_ec(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize, uint32_t bitmap_size);
void calc_rmw_parity_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize,
void calc_rmw_parity_ec(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize,
uint64_t *read_osd_set, uint64_t *write_osd_set, uint32_t chunk_size, uint32_t bitmap_size);
+11 -11
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@@ -587,14 +587,14 @@ void test12()
input buffer: [ write0, write1 ],
rmw buffer: [ write2, write3, read0, read1 ],
}
then, after calc_rmw_parity_jerasure(): all the same
then, after calc_rmw_parity_ec(): all the same
then simulate read with read_osd_set=[0,0,3,4] and check read0,read1 buffers
***/
void test13()
{
use_jerasure(4, 2, true);
use_ec(4, 2, true);
osd_num_t osd_set[4] = { 1, 2, 0, 0 };
osd_num_t write_osd_set[4] = { 1, 2, 3, 4 };
osd_rmw_stripe_t stripes[4] = {};
@@ -628,7 +628,7 @@ void test13()
set_pattern(write_buf, 8192, PATTERN3);
set_pattern(stripes[0].read_buf, 128*1024-4096, PATTERN1);
set_pattern(stripes[1].read_buf, 128*1024-4096, PATTERN2);
calc_rmw_parity_jerasure(stripes, 4, 2, osd_set, write_osd_set, 128*1024, 0);
calc_rmw_parity_ec(stripes, 4, 2, osd_set, write_osd_set, 128*1024, 0);
assert(stripes[0].write_start == 128*1024-4096 && stripes[0].write_end == 128*1024);
assert(stripes[1].write_start == 0 && stripes[1].write_end == 4096);
assert(stripes[2].write_start == 0 && stripes[2].write_end == 128*1024);
@@ -663,7 +663,7 @@ void test13()
assert(stripes[3].read_buf == (uint8_t*)read_buf+3*128*1024);
memcpy((uint8_t*)read_buf+2*128*1024, rmw_buf, 128*1024);
memcpy((uint8_t*)read_buf+3*128*1024, (uint8_t*)rmw_buf+128*1024, 128*1024);
reconstruct_stripes_jerasure(stripes, 4, 2, 0);
reconstruct_stripes_ec(stripes, 4, 2, 0);
check_pattern(stripes[0].read_buf, 128*1024-4096, PATTERN1);
check_pattern(stripes[0].read_buf+128*1024-4096, 4096, PATTERN3);
check_pattern(stripes[1].read_buf, 4096, PATTERN3);
@@ -694,14 +694,14 @@ void test13()
assert(stripes[3].read_buf == (uint8_t*)read_buf+2*128*1024);
memcpy((uint8_t*)read_buf+128*1024, rmw_buf, 128*1024);
memcpy((uint8_t*)read_buf+2*128*1024, (uint8_t*)rmw_buf+128*1024, 128*1024);
reconstruct_stripes_jerasure(stripes, 4, 2, 0);
reconstruct_stripes_ec(stripes, 4, 2, 0);
check_pattern(stripes[0].read_buf, 128*1024-4096, PATTERN1);
check_pattern(stripes[0].read_buf+128*1024-4096, 4096, PATTERN3);
free(read_buf);
// Huh done
free(rmw_buf);
free(write_buf);
use_jerasure(4, 2, false);
use_ec(4, 2, false);
}
/***
@@ -714,7 +714,7 @@ void test13()
input buffer: [ write0, write1 ],
rmw buffer: [ write2, read0, read1 ],
}
then, after calc_rmw_parity_jerasure(): all the same
then, after calc_rmw_parity_ec(): all the same
then simulate read with read_osd_set=[0,2,3] and check read0 buffer
***/
@@ -722,7 +722,7 @@ void test13()
void test14()
{
const int bmp = 4;
use_jerasure(3, 2, true);
use_ec(3, 2, true);
osd_num_t osd_set[3] = { 1, 2, 0 };
osd_num_t write_osd_set[3] = { 1, 2, 3 };
osd_rmw_stripe_t stripes[3] = {};
@@ -757,7 +757,7 @@ void test14()
memset(stripes[0].bmp_buf, 0, bmp);
memset(stripes[1].bmp_buf, 0, bmp);
memset(stripes[2].bmp_buf, 0, bmp);
calc_rmw_parity_jerasure(stripes, 3, 2, osd_set, write_osd_set, 128*1024, bmp);
calc_rmw_parity_ec(stripes, 3, 2, osd_set, write_osd_set, 128*1024, bmp);
assert(*(uint32_t*)stripes[0].bmp_buf == 0x80000000);
assert(*(uint32_t*)stripes[1].bmp_buf == 0x00000001);
assert(*(uint32_t*)stripes[2].bmp_buf == 0x80000001); // jerasure 2+1 is still just XOR
@@ -793,12 +793,12 @@ void test14()
set_pattern(stripes[1].read_buf, 4096, PATTERN3);
set_pattern(stripes[1].read_buf+4096, 128*1024-4096, PATTERN2);
memcpy(stripes[2].read_buf, rmw_buf, 128*1024);
reconstruct_stripes_jerasure(stripes, 3, 2, bmp);
reconstruct_stripes_ec(stripes, 3, 2, bmp);
check_pattern(stripes[0].read_buf, 128*1024-4096, PATTERN1);
check_pattern(stripes[0].read_buf+128*1024-4096, 4096, PATTERN3);
free(read_buf);
// Huh done
free(rmw_buf);
free(write_buf);
use_jerasure(3, 2, false);
use_ec(3, 2, false);
}