net/sunrpc/svc_xprt.c

55  *	The XPT_BUSY bit in xprt->xpt_flags prevents a transport being
160 	if (!test_and_set_bit(XPT_CLOSE, &xprt->xpt_flags))
170 	if (test_bit(XPT_CACHE_AUTH, &xprt->xpt_flags))
207 	set_bit(XPT_BUSY, &xprt->xpt_flags);
225 	if (!test_bit(XPT_BUSY, &xprt->xpt_flags)) {
235 	clear_bit(XPT_BUSY, &xprt->xpt_flags);
243 	clear_bit(XPT_TEMP, &new->xpt_flags);
439 	unsigned long xpt_flags;
442 	 * If another cpu has recently updated xpt_flags,
450 	xpt_flags = READ_ONCE(xprt->xpt_flags);
452 	trace_svc_xprt_enqueue(xprt, xpt_flags);
453 	if (xpt_flags & BIT(XPT_BUSY))
455 	if (xpt_flags & (BIT(XPT_CONN) | BIT(XPT_CLOSE) | BIT(XPT_HANDSHAKE)))
457 	if (xpt_flags & (BIT(XPT_DATA) | BIT(XPT_DEFERRED))) {
484 	if (test_and_set_bit(XPT_BUSY, &xprt->xpt_flags))
646 			set_bit(XPT_CLOSE, &xprt->xpt_flags);
764 	set_bit(XPT_TEMP, &newxpt->xpt_flags);
782 	if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
783 		if (test_and_clear_bit(XPT_KILL_TEMP, &xprt->xpt_flags))
789 	if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
806 	} else if (test_bit(XPT_HANDSHAKE, &xprt->xpt_flags)) {
823 		clear_bit(XPT_OLD, &xprt->xpt_flags);
966 		if (!test_and_set_bit(XPT_OLD, &xprt->xpt_flags))
969 		    test_bit(XPT_BUSY, &xprt->xpt_flags))
972 		set_bit(XPT_CLOSE, &xprt->xpt_flags);
1010 		set_bit(XPT_CLOSE, &xprt->xpt_flags);
1011 		set_bit(XPT_KILL_TEMP, &xprt->xpt_flags);
1040 	if (test_and_set_bit(XPT_DEAD, &xprt->xpt_flags))
1050 	if (test_bit(XPT_TEMP, &xprt->xpt_flags))
1069 	set_bit(XPT_CLOSE, &xprt->xpt_flags);
1070 	if (test_and_set_bit(XPT_BUSY, &xprt->xpt_flags))
1093 		set_bit(XPT_CLOSE, &xprt->xpt_flags);
1112 				set_bit(XPT_CLOSE, &xprt->xpt_flags);
1163 	set_bit(XPT_DEFERRED, &xprt->xpt_flags);
1164 	if (too_many || test_bit(XPT_DEAD, &xprt->xpt_flags)) {
1264 	if (!test_bit(XPT_DEFERRED, &xprt->xpt_flags))
1273 		clear_bit(XPT_DEFERRED, &xprt->xpt_flags);