Add a basic EC 2+2 recovery test (not really required, but let it be there)
parent
2d9a80c6f6
commit
44f86f1999
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@ -27,6 +27,7 @@ void test13();
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void test14();
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void test15(bool second);
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void test16();
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void test_recover_22_d2();
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int main(int narg, char *args[])
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{
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@ -61,6 +62,8 @@ int main(int narg, char *args[])
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test15(true);
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// Test 16
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test16();
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// Test 17
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test_recover_22_d2();
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// End
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printf("all ok\n");
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return 0;
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@ -1059,3 +1062,47 @@ void test16()
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free(write_buf);
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use_ec(4, 2, false);
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}
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/***
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17. EC 2+2 recover second data block
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***/
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void test_recover_22_d2()
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{
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const int bmp = 128*1024 / 4096 / 8;
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use_ec(4, 2, true);
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osd_num_t osd_set[4] = { 1, 0, 3, 4 };
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osd_rmw_stripe_t stripes[4] = {};
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unsigned bitmaps[4] = { 0 };
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// Read 0-256K
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split_stripes(2, 128*1024, 0, 256*1024, stripes);
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assert(stripes[0].req_start == 0 && stripes[0].req_end == 128*1024);
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assert(stripes[1].req_start == 0 && stripes[1].req_end == 128*1024);
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assert(stripes[2].req_start == 0 && stripes[2].req_end == 0);
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assert(stripes[3].req_start == 0 && stripes[3].req_end == 0);
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uint8_t *data_buf = (uint8_t*)malloc_or_die(128*1024*4);
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for (int i = 0; i < 4; i++)
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{
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stripes[i].read_start = stripes[i].req_start;
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stripes[i].read_end = stripes[i].req_end;
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stripes[i].read_buf = data_buf + i*128*1024;
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stripes[i].bmp_buf = bitmaps + i;
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}
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// Read using parity
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assert(extend_missing_stripes(stripes, osd_set, 2, 4) == 0);
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assert(stripes[2].read_start == 0 && stripes[2].read_end == 128*1024);
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assert(stripes[3].read_start == 0 && stripes[3].read_end == 0);
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bitmaps[0] = 0xffffffff;
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bitmaps[2] = 0;
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set_pattern(stripes[0].read_buf, 128*1024, PATTERN1);
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set_pattern(stripes[2].read_buf, 128*1024, PATTERN1^PATTERN2);
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// Reconstruct
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reconstruct_stripes_ec(stripes, 4, 2, bmp);
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check_pattern(stripes[1].read_buf, 128*1024, PATTERN2);
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assert(bitmaps[1] == 0xFFFFFFFF);
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free(data_buf);
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// Done
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use_ec(4, 2, false);
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}
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