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Add zfs_btree_verify_intensity kernel module parameter

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I see a few issues in the issue tracker that might be aided by being
able to turn this on. We have no module parameter for it, so I would
like to add one.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #13874
This commit is contained in:
Richard Yao
2022-09-15 19:22:33 -04:00
committed by Tony Hutter
parent 5096ed31c8
commit b66f8d3c2b
3 changed files with 24 additions and 2 deletions
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man/man4/zfs.4
+16
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@@ -1348,6 +1348,22 @@ _
.TE
.Sy \& * No Requires debug build.
.
.It Sy zfs_btree_verify_intensity Ns = Ns Sy 0 Pq uint
Enables btree verification.
The following settings are culminative:
.TS
box;
lbz r l l .
Value Description
1 Verify height.
2 Verify pointers from children to parent.
3 Verify element counts.
4 Verify element order. (expensive)
* 5 Verify unused memory is poisoned. (expensive)
.TE
.Sy \& * No Requires debug build.
.
.It Sy zfs_free_leak_on_eio Ns = Ns Sy 0 Ns | Ns 1 Pq int
If destroy encounters an
.Sy EIO