bcachefs: Remove spurious smp_mb()

The smp_mb() is paired with nothing.

Signed-off-by: Alan Huang <mmpgouride@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Alan Huang 2025-03-18 15:50:01 +08:00 • committed by Kent Overstreet
commit dd7ae389ff