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vfs: release the interlock after failing to set VHOLD_NO_SMR

Description

vfs: release the interlock after failing to set VHOLD_NO_SMR

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Diagnosed by: markj
Reported by: pho
Fixes: r362827 ("vfs: protect vnodes with smr")

Details

Provenance
mjgAuthored on
Parents
rS364041: Merge ^/head r363583 through r364040.
Branches
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