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8e7fe49b25
The lock is taken all the time and as a regular read-write lock avoidably serves as a mount point-wide contention point. This forward ports FreeBSD revision r357322. To quote aforementioned commit: Sample result doing an incremental -j 40 build: before: 173.30s user 458.97s system 2595% cpu 24.358 total after: 168.58s user 254.92s system 2211% cpu 19.147 total Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Ryan Moeller <freqlabs@FreeBSD.org> Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Closes #10896 |
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| os | ||
| sys | ||
| .gitignore | ||
| cityhash.h | ||
| libnvpair.h | ||
| libuutil_common.h | ||
| libuutil_impl.h | ||
| libuutil.h | ||
| libzfs_core.h | ||
| libzfs_impl.h | ||
| libzfs.h | ||
| libzutil.h | ||
| Makefile.am | ||
| thread_pool.h | ||
| zfeature_common.h | ||
| zfs_comutil.h | ||
| zfs_deleg.h | ||
| zfs_fletcher.h | ||
| zfs_namecheck.h | ||
| zfs_prop.h | ||