Fix block device size calculcation code

[alexvru]

Changelog entry

Fix block device size calculcation code

Changelog category

• Bugfix

Additional information

For some devices ioctl BLKDEVSIZE did not work, so this new method was introduced to fix that problem.

[github-actions]

⚪ 2024-08-01 07:29:40 UTC Pre-commit check for baf2640 has started.
⚪ 2024-08-01 07:32:42 UTC Check linux-x86_64-release-clang14 is running...
🟢 2024-08-01 07:38:05 UTC Build successful.

[github-actions]

⚪ 2024-08-01 07:30:07 UTC Pre-commit check for baf2640 has started.
⚪ 2024-08-01 07:33:18 UTC Check linux-x86_64-release-asan is running...
🔴 2024-08-01 09:42:09 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10832	10778	0	18	23	13

🟢 2024-08-01 09:43:26 UTC Build successful.
🟢 2024-08-01 09:43:54 UTC ydbd size 5.4 GiB changed* by -112 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: ae8c7f9	merge: baf2640	diff	diff %
ydbd size	5 841 311 496 Bytes	5 841 311 384 Bytes	-112 Bytes	-0.000%
ydbd stripped size	1 463 911 024 Bytes	1 463 910 960 Bytes	-64 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2024-08-01 07:32:06 UTC Pre-commit check for baf2640 has started.
⚪ 2024-08-01 07:35:10 UTC Check linux-x86_64-relwithdebinfo is running...
🟡 2024-08-01 09:51:55 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39564	34242	0	4	5306	12

⚪ 2024-08-01 09:56:28 UTC Failed tests rerun (try 2) linux-x86_64-relwithdebinfo is running...
🟢 2024-08-01 10:04:50 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
18 (only retried tests)	10	0	0	0	8

🟢 2024-08-01 10:08:17 UTC Build successful.
🟢 2024-08-01 10:08:54 UTC ydbd size 8.1 GiB changed* by +448 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: ae8c7f9	merge: baf2640	diff	diff %
ydbd size	8 672 037 176 Bytes	8 672 037 624 Bytes	+448 Bytes	+0.000%
ydbd stripped size	472 047 784 Bytes	472 047 784 Bytes	0 Bytes	0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}