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Hide b_freeze_* under ZFS_DEBUG

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This saves 40 bytes per full ARC header, reducing it on FreeBSD from
240 to 200 bytes on production bits.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Closes #14315
This commit is contained in:
Alexander Motin
2023-01-05 12:15:31 -05:00
committed by GitHub
parent ed2f7ba08d
commit bacf366fe2
3 changed files with 33 additions and 10 deletions
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man/man4/zfs.4
+1 -1
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@@ -1391,7 +1391,7 @@ _
* 2 ZFS_DEBUG_DBUF_VERIFY Enable extra dbuf verifications.
* 4 ZFS_DEBUG_DNODE_VERIFY Enable extra dnode verifications.
8 ZFS_DEBUG_SNAPNAMES Enable snapshot name verification.
16 ZFS_DEBUG_MODIFY Check for illegally modified ARC buffers.
* 16 ZFS_DEBUG_MODIFY Check for illegally modified ARC buffers.
64 ZFS_DEBUG_ZIO_FREE Enable verification of block frees.
128 ZFS_DEBUG_HISTOGRAM_VERIFY Enable extra spacemap histogram verifications.
256 ZFS_DEBUG_METASLAB_VERIFY Verify space accounting on disk matches in-memory \fBrange_trees\fP.