Mark Johnston 451d6da988 Allow disabling of unmapped I/O on FreeBSD ... We have a tunable which permits one to disable the use of unmapped I/O for the buffer cache. Respect it in ZFS as well. This is useful for KMSAN, which cannot easily maintain shadow state for unmapped pages. No functional change intended, as unmapped I/O is permitted by default and there's no real reason to disable it in practice except for debugging. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Mark Johnston <markj@FreeBSD.org> Closes #12446		2021-09-14 14:29:46 -07:00
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avl	Fix various typos	2021-04-07 13:27:11 -07:00
icp	Replace ZoL with OpenZFS where applicable	2021-05-10 12:16:46 -07:00
lua	cppcheck: integrete cppcheck	2021-01-26 16:12:26 -08:00
nvpair	A few fixes of callback typecasting (for the upcoming ClangCFI)	2021-09-14 12:39:48 -07:00
os	Allow disabling of unmapped I/O on FreeBSD	2021-09-14 14:29:46 -07:00
spl	Cleanup linux module kbuild files	2020-06-10 09:24:15 -07:00
unicode	Fix various typos	2021-04-07 13:27:11 -07:00
zcommon	Fix AVX512BW Fletcher code on AVX512-but-not-BW machines	2021-05-10 12:05:36 -07:00
zfs	Add comment on metaslab_class_throttle_reserve() locking	2021-09-14 13:09:40 -07:00
zstd	Fix build with KASAN	2021-06-29 13:14:42 -07:00
.gitignore	Cleanup linux module kbuild files	2020-06-10 09:24:15 -07:00
Kbuild.in	Add zstd support to zfs	2020-08-20 10:30:06 -07:00
Makefile.bsd	Restore FreeBSD resource usage accounting	2021-02-19 22:34:33 -08:00
Makefile.in	FreeBSD module --enable-debug --enable-invariants	2021-03-05 12:16:41 -08:00