svcrpc: svc_close_xprt comment
Neil Brown had to explain to me why we do this here; record the answer for posterity. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -931,7 +931,12 @@ void svc_close_xprt(struct svc_xprt *xprt)
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if (test_and_set_bit(XPT_BUSY, &xprt->xpt_flags))
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/* someone else will have to effect the close */
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return;
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/*
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* We expect svc_close_xprt() to work even when no threads are
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* running (e.g., while configuring the server before starting
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* any threads), so if the transport isn't busy, we delete
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* it ourself:
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*/
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svc_delete_xprt(xprt);
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}
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EXPORT_SYMBOL_GPL(svc_close_xprt);
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