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Remove some dead ARC code. #14340

Merged
merged 1 commit into from
Jan 9, 2023
Merged

Remove some dead ARC code. #14340

merged 1 commit into from
Jan 9, 2023

Commits on Jan 5, 2023

  1. Remove some dead ARC code. 

    Every ARC buffer holds a reference on the header. It means headers with
buffers are never evictable.  When we are evicting a header, there can
be no more buffers to free.  Just assert that.

b_evict_lock seems not protecting anything now.  Remove it.

Buffers checksum should also be freed with the last uncompressed buffer,
so it should not be there also when we are evicting the header.

Signed-off-by:  Alexander Motin <mav@FreeBSD.org>
Sponsored by:   iXsystems, Inc.
    @amotin
    amotin committed Jan 5, 2023
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