svn commit: r309714 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Andriy Gapon]

On 08/12/2016 17:58, Alexander Motin wrote:
>   This change switches zio_timestamp_compare() from comparing uninitialized
>   io_offset to really populated io_bookmark values.  I haven't decided yet
>   what to do with timestampts, but on simple tests this change gives the
>   same peformance results by just making code to work as declared.

I think that we should just enable precise timestamps.
I just can't see them noticeably hurting performance given the amount of
calculations, memory allocations, locking, etc, that ZFS already has.
And there are layers above and below ZFS too.

-- 
Andriy Gapon