xprtrdma: Clarify use of barrier in frwr_wc_localinv_done()

Clean up: The comment and the placement of the memory barrier is
confusing. Humans want to read the function statements from head
to tail.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Chuck Lever 2021-04-19 14:03:06 -04:00 • committed by Trond Myklebust
commit 44438ad9ae