shithub: riscv

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only ensurecache() on doplumb().

--- a/sys/src/cmd/upas/fs/mbox.c

+++ b/sys/src/cmd/upas/fs/mbox.c

@@ -88,9 +88,8 @@

 				m->cstate |= Cnew;

 				n++;

 			}

-			if((m->cstate & (Cnew|Cmod)) && ensurecache(mb, m) == 0){

-				if(doplumb)

-					mailplumb(mb, m);

+			if((doplumb && m->cstate & (Cnew|Cmod)) && ensurecache(mb, m) == 0){

+				mailplumb(mb, m);

 				msgdecref(mb, m);

 			}

 			m->cstate &= ~(Cnew|Cmod);