Avoid lock order rvrsl thdrpool_submit_work, from svc_ioq_append.
Avoid lock order rvrsl thdrpool_submit_work, from svc_ioq_append.

Move SVC_REF() ahead of submit_work, since it releases xprt->xp_lock
inline (with the supplied flag).

Fixes Coverity CID 24290.

Signed-off-by: Matt Benjamin <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@cohortfs.com>

sswen/ntirpc,sswen/ntirpc