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Date: Sun, 16 Mar 2014 22:19:09 -0400 From: tytso@....edu To: Lukas Czerner <lczerner@...hat.com> Cc: linux-ext4@...r.kernel.org Subject: Re: [PATCH 0/6 v2] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate On Sun, Mar 16, 2014 at 03:08:20PM -0400, tytso@....EDU wrote: > If I try running the "dev2" branch, without the xfstests collapse > range branch pulled in, things are much better (so there's clearly a > bug in the ZERO_RANGE code path), but there was still a few more > errors than the baseline. I'm rerunning those tests so I can be sure > that the results are repeatable. Running the tests with the dev2 branch, which includes all of the ext4-specific ZERO_RANGE patches, we see a regression with shared/243 with 4k and 1k block sizes (as well as 4k in no-journal mode): shared/243 3s ... [15:09:34] [15:09:35] [failed, exit status 1] - output mismatch (see /results/results-4k/shared/243.out.bad) --- tests/shared/243.out 2014-03-15 13:45:11.000000000 -0400 +++ /results/results-4k/shared/243.out.bad 2014-03-16 15:09:35.470862837 -0400 @@ -1,13 +1,3 @@ QA output created by 243 wrote 4096/4096 bytes at offset 0 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -wrote 4096/4096 bytes at offset 0 -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -wrote 40960/40960 bytes at offset 0 -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) ... (Run 'diff -u tests/shared/243.out /results/results-4k/shared/243.out.bad' to see the entire diff) - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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