vitalif
/
vitastor
5
5
Fork 7
Code Issues 1 Pull Requests 2 Releases 41 Wiki Activity

Rename osd_read_stripe_t to osd_rmw_stripe_t

Browse Source
blocking-uring-test
Vitaliy Filippov 3 years ago
parent c71b67f2f7
commit 88e56a564f
5 changed files with 23 additions and 23 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 2
      osd.h
  2. 10
      osd_primary.cpp
  3. 18
      osd_rmw.cpp
  4. 14
      osd_rmw.h
  5. 2
      osd_rmw_test.cpp

2
osd.h
Unescape View File

@ -157,7 +157,7 @@ struct osd_client_t
};
struct osd_primary_read_t;
struct osd_read_stripe_t;
struct osd_rmw_stripe_t;
class osd_t
{

10
osd_primary.cpp
Unescape View File

@ -17,7 +17,7 @@ struct osd_primary_op_data_t
uint64_t target_ver;
int n_subops = 0, done = 0, errors = 0;
int degraded = 0, pg_size, pg_minsize;
osd_read_stripe_t *stripes;
osd_rmw_stripe_t *stripes;
osd_op_t *subops = NULL;
void *rmw_buf = NULL;
@ -63,11 +63,11 @@ bool osd_t::prepare_primary_rw(osd_op_t *cur_op)
return false;
}
osd_primary_op_data_t *op_data = (osd_primary_op_data_t*)calloc(
sizeof(osd_primary_op_data_t) + sizeof(osd_read_stripe_t) * pgs[pg_num].pg_size, 1
sizeof(osd_primary_op_data_t) + sizeof(osd_rmw_stripe_t) * pgs[pg_num].pg_size, 1
);
op_data->pg_num = pg_num;
op_data->oid = oid;
op_data->stripes = ((osd_read_stripe_t*)(op_data+1));
op_data->stripes = ((osd_rmw_stripe_t*)(op_data+1));
cur_op->op_data = op_data;
split_stripes(pgs[pg_num].pg_minsize, bs_block_size, (uint32_t)(cur_op->req.rw.offset - oid.stripe), cur_op->req.rw.len, op_data->stripes);
return true;
@ -140,7 +140,7 @@ void osd_t::handle_primary_read_subop(osd_op_t *cur_op, int ok)
{
// Reconstruct missing stripes
// FIXME: Always EC(k+1) by now. Add different coding schemes
osd_read_stripe_t *stripes = op_data->stripes;
osd_rmw_stripe_t *stripes = op_data->stripes;
for (int role = 0; role < op_data->pg_minsize; role++)
{
if (stripes[role].read_end != 0 && stripes[role].missing)
@ -165,7 +165,7 @@ void osd_t::handle_primary_read_subop(osd_op_t *cur_op, int ok)
void osd_t::submit_read_subops(int read_pg_size, const uint64_t* osd_set, osd_op_t *cur_op)
{
osd_primary_op_data_t *op_data = (osd_primary_op_data_t*)cur_op->op_data;
osd_read_stripe_t *stripes = op_data->stripes;
osd_rmw_stripe_t *stripes = op_data->stripes;
// Allocate subops
int n_subops = 0, force_read = -1;
for (int role = 0; role < read_pg_size; role++)

18
osd_rmw.cpp
Unescape View File

@ -3,7 +3,7 @@
#include "xor.h"
#include "osd_rmw.h"
static inline void extend_read(uint32_t start, uint32_t end, osd_read_stripe_t & stripe)
static inline void extend_read(uint32_t start, uint32_t end, osd_rmw_stripe_t & stripe)
{
if (stripe.read_end == 0)
{
@ -19,7 +19,7 @@ static inline void extend_read(uint32_t start, uint32_t end, osd_read_stripe_t &
}
}
static inline void cover_read(uint32_t start, uint32_t end, osd_read_stripe_t & stripe)
static inline void cover_read(uint32_t start, uint32_t end, osd_rmw_stripe_t & stripe)
{
// Subtract <to> write request from <from> request
if (start >= stripe.req_start &&
@ -53,7 +53,7 @@ static inline void cover_read(uint32_t start, uint32_t end, osd_read_stripe_t &
}
}
void split_stripes(uint64_t pg_minsize, uint32_t bs_block_size, uint32_t start, uint32_t end, osd_read_stripe_t *stripes)
void split_stripes(uint64_t pg_minsize, uint32_t bs_block_size, uint32_t start, uint32_t end, osd_rmw_stripe_t *stripes)
{
end = start+end;
for (int role = 0; role < pg_minsize; role++)
@ -66,7 +66,7 @@ void split_stripes(uint64_t pg_minsize, uint32_t bs_block_size, uint32_t start,
}
}
void reconstruct_stripe(osd_read_stripe_t *stripes, int pg_size, int role)
void reconstruct_stripe(osd_rmw_stripe_t *stripes, int pg_size, int role)
{
int prev = -2;
for (int other = 0; other < pg_size; other++)
@ -98,7 +98,7 @@ void reconstruct_stripe(osd_read_stripe_t *stripes, int pg_size, int role)
}
}
int extend_missing_stripes(osd_read_stripe_t *stripes, osd_num_t *osd_set, int minsize, int size)
int extend_missing_stripes(osd_rmw_stripe_t *stripes, osd_num_t *osd_set, int minsize, int size)
{
for (int role = 0; role < minsize; role++)
{
@ -131,7 +131,7 @@ int extend_missing_stripes(osd_read_stripe_t *stripes, osd_num_t *osd_set, int m
return 0;
}
void* alloc_read_buffer(osd_read_stripe_t *stripes, int read_pg_size, uint64_t add_size)
void* alloc_read_buffer(osd_rmw_stripe_t *stripes, int read_pg_size, uint64_t add_size)
{
// Calculate buffer size
uint64_t buf_size = add_size;
@ -156,7 +156,7 @@ void* alloc_read_buffer(osd_read_stripe_t *stripes, int read_pg_size, uint64_t a
return buf;
}
void* calc_rmw_reads(void *write_buf, osd_read_stripe_t *stripes, uint64_t *osd_set, uint64_t pg_size, uint64_t pg_minsize, uint64_t pg_cursize)
void* calc_rmw_reads(void *write_buf, osd_rmw_stripe_t *stripes, uint64_t *osd_set, uint64_t pg_size, uint64_t pg_minsize, uint64_t pg_cursize)
{
// Generic parity modification (read-modify-write) algorithm
// Reconstruct -> Read -> Calc parity -> Write
@ -238,7 +238,7 @@ void* calc_rmw_reads(void *write_buf, osd_read_stripe_t *stripes, uint64_t *osd_
return rmw_buf;
}
static void get_old_new_buffers(osd_read_stripe_t & stripe, uint32_t wr_start, uint32_t wr_end, buf_len_t *bufs, int & nbufs)
static void get_old_new_buffers(osd_rmw_stripe_t & stripe, uint32_t wr_start, uint32_t wr_end, buf_len_t *bufs, int & nbufs)
{
uint32_t ns = 0, ne = 0, os = 0, oe = 0;
if (stripe.req_end > wr_start &&
@ -319,7 +319,7 @@ static void xor_multiple_buffers(buf_len_t *xor1, int n1, buf_len_t *xor2, int n
}
}
void calc_rmw_parity(osd_read_stripe_t *stripes, int pg_size)
void calc_rmw_parity(osd_rmw_stripe_t *stripes, int pg_size)
{
if (stripes[pg_size-1].missing)
{

14
osd_rmw.h
Unescape View File

@ -14,7 +14,7 @@ struct buf_len_t
uint64_t len;
};
struct osd_read_stripe_t
struct osd_rmw_stripe_t
{
void *read_buf, *write_buf;
uint32_t req_start, req_end;
@ -23,14 +23,14 @@ struct osd_read_stripe_t
bool missing;
};
void split_stripes(uint64_t pg_minsize, uint32_t bs_block_size, uint32_t start, uint32_t len, osd_read_stripe_t *stripes);
void split_stripes(uint64_t pg_minsize, uint32_t bs_block_size, uint32_t start, uint32_t len, osd_rmw_stripe_t *stripes);
void reconstruct_stripe(osd_read_stripe_t *stripes, int pg_size, int role);
void reconstruct_stripe(osd_rmw_stripe_t *stripes, int pg_size, int role);
int extend_missing_stripes(osd_read_stripe_t *stripes, osd_num_t *osd_set, int minsize, int size);
int extend_missing_stripes(osd_rmw_stripe_t *stripes, osd_num_t *osd_set, int minsize, int size);
void* alloc_read_buffer(osd_read_stripe_t *stripes, int read_pg_size, uint64_t add_size);
void* alloc_read_buffer(osd_rmw_stripe_t *stripes, int read_pg_size, uint64_t add_size);
void* calc_rmw_reads(void *write_buf, osd_read_stripe_t *stripes, uint64_t *osd_set, uint64_t pg_size, uint64_t pg_minsize, uint64_t pg_cursize);
void* calc_rmw_reads(void *write_buf, osd_rmw_stripe_t *stripes, uint64_t *osd_set, uint64_t pg_size, uint64_t pg_minsize, uint64_t pg_cursize);
void calc_rmw_parity(osd_read_stripe_t *stripes, int pg_size);
void calc_rmw_parity(osd_rmw_stripe_t *stripes, int pg_size);

2
osd_rmw_test.cpp
Unescape View File

@ -12,7 +12,7 @@
int main(int narg, char *args[])
{
osd_num_t osd_set[3] = { 1, 0, 3 };
osd_read_stripe_t stripes[3] = { 0 };
osd_rmw_stripe_t stripes[3] = { 0 };
// Test 1
split_stripes(2, 128*1024, 128*1024-4096, 8192, stripes);
assert(stripes[0].req_start == 128*1024-4096 && stripes[0].req_end == 128*1024);

Write Preview
Loading…
Cancel
Save