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Revert r318180 and re-enable AIO tests on md(4) by default.

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The 'physio' fast-path used by AIO requests on md(4) devices, is not
gated on the unsafe_aio knob.  Prior to r327755, some AIO requests could
fail the fast-path and fall back to the slow-path (requests for devices
not supporting unmapped I/O and requests which failed with EFAULT during
the fast-path).  However, those cases now return a suitable error rather
than using the slow-path.

PR:		217261
Reviewed by:	asomers
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D14742
This commit is contained in:
jhb 2018-03-19 19:09:15 +00:00
parent c27a7c453c
commit 1a65f86393
1 changed files with 0 additions and 1 deletions
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tests/sys/aio/aio_test.c
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@ -667,7 +667,6 @@ aio_md_test(completion comp, struct sigevent *sev)
char buf[80];
ATF_REQUIRE_KERNEL_MODULE("aio");
ATF_REQUIRE_UNSAFE_AIO();
mdctl_fd = open("/dev/" MDCTL_NAME, O_RDWR, 0);
ATF_REQUIRE_MSG(mdctl_fd != -1,