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Description

MFC: a63eae6

Revert 2d4422e7991a, Eliminate lock order reversal in UFS ffs_unmount().

After discussion with Chuck Silvers (chs@) we have decided that
there is a better way to resolve this lock order reversal which
will be committed separately.

Sponsored by: Netflix

(cherry picked from commit a63eae65ff8789994c40573a0aa65128022c8bf2)