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Add zfs_blake3_impl to zfs.4 

The zfs module parameter zfs_blake3_impl got no manual page entry while
adding BLAKE3 to OpenZFS. This commit adds the required notes about the
parameter into zfs.4

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Co-authored-by: Ryan Moeller <ryan@freqlabs.com>
Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de>
Closes #13725
This commit is contained in:
Tino Reichardt 2022-09-03 10:40:29 +02:00 committed by Brian Behlendorf
parent 75e8b5ad84
commit eeca9d27d7
1 changed files with 14 additions and 0 deletions
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14
man/man4/zfs.4
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@ -1162,6 +1162,20 @@ Selecting any option other than
results in vector instructions
from the respective CPU instruction set being used.
.
.It Sy zfs_blake3_impl Ns = Ns Sy fastest Pq string
Select a BLAKE3 implementation.
.Pp
Supported selectors are:
.Sy cycle , fastest , generic , sse2 , sse41 , avx2 , avx512 .
All except
.Sy cycle , fastest No and Sy generic
require instruction set extensions to be available,
and will only appear if ZFS detects that they are present at runtime.
If multiple implementations of BLAKE3 are available, the
.Sy fastest will be chosen using a micro benchmark. You can see the
benchmark results by reading this kstat file:
.Pa /proc/spl/kstat/zfs/chksum_bench .
.
.It Sy zfs_free_bpobj_enabled Ns = Ns Sy 1 Ns | Ns 0 Pq int
Enable/disable the processing of the free_bpobj object.
.