f886b6e3bc
Change the interaction between the DMU and ARC so that when the DMU is
shutting down an objset, we do not evict the data from the ARC. Instead
we simply coordinate the destruction of the DMU's data with the ARC.
The only case where we actually need to explicitly evict from the ARC is
when dbuf_rele_and_unlock() determines that the administrator has requested
that it not be kept in memory, via the primarycache/secondarycache properties.
In this case, we evict the data from the ARC by its blkptr_t, the same way
as when a block is freed we explicitly evict it from the ARC.
Illumos issue:
4631 zvol_get_stats triggering too many reads
MFC after: 2 weeks
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| common | ||
| uts | ||
| OPENSOLARIS.LICENSE | ||