Files
mirror_zfs/module/zfs
Alexander Motin 370570890f Remove parent ZIO from dbuf_prefetch()
I am not sure why it was added there 10 years ago, but it seems not
needed now.  According to my tests removing it improves sequential
read performance with recordsize=4K by 5-10% by reducing the CPU
overhead in prefetcher.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Reviewed-by: Akash B <akash-b@hpe.com>
Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com>
Closes #18214
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