cifs: smbd: Only queue work for error recovery on memory registration
It's not necessary to queue invalidated memory registration to work queue, as all we need to do is to unmap the SG and make it usable again. This can save CPU cycles in normal data paths as memory registration errors are rare and normally only happens during reconnection. Signed-off-by: NLong Li <longli@microsoft.com> Cc: stable@vger.kernel.org Signed-off-by: NSteve French <stfrench@microsoft.com>
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