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Add a tunable to disable BRT support.

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Copy the disable parameter that FreeBSD implemented, and extend it to
work on Linux as well, until we're sure this is stable.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
Closes #15529
This commit is contained in:
Rich Ercolani
2023-11-16 14:35:22 -05:00
committed by Tony Hutter
parent 0733fe2aa5
commit 87e9e82865
11 changed files with 51 additions and 0 deletions
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man/man4/zfs.4
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@@ -1137,6 +1137,11 @@ Selecting any option other than
results in vector instructions
from the respective CPU instruction set being used.
.
.It Sy zfs_bclone_enabled Ns = Ns Sy 1 Ns | Ns 0 Pq int
Enable the experimental block cloning feature.
If this setting is 0, then even if feature@block_cloning is enabled,
attempts to clone blocks will act as though the feature is disabled.
.
.It Sy zfs_blake3_impl Ns = Ns Sy fastest Pq string
Select a BLAKE3 implementation.
.Pp