114 sendfile_sync_destroy(struct sendfile_sync *sfs)  in sendfile_sync_destroy()  argument
116 	KASSERT(sfs->count == 0, ("sendfile sync %p still busy", sfs));  in sendfile_sync_destroy()
118 	cv_destroy(&sfs->cv);  in sendfile_sync_destroy()
119 	mtx_destroy(&sfs->mtx);  in sendfile_sync_destroy()
120 	free(sfs, M_SENDFILE);  in sendfile_sync_destroy()
124 sendfile_sync_signal(struct sendfile_sync *sfs)  in sendfile_sync_signal()  argument
126 	mtx_lock(&sfs->mtx);  in sendfile_sync_signal()
127 	KASSERT(sfs->count > 0, ("sendfile sync %p not busy", sfs));  in sendfile_sync_signal()
128 	if (--sfs->count == 0) {  in sendfile_sync_signal()
129 		if (!sfs->waiting) {  in sendfile_sync_signal()
131 			sendfile_sync_destroy(sfs);  in sendfile_sync_signal()
134 			cv_signal(&sfs->cv);  in sendfile_sync_signal()
137 	mtx_unlock(&sfs->mtx);  in sendfile_sync_signal()
184 		struct sendfile_sync *sfs = m->m_ext.ext_arg2;  in sendfile_free_mext()  local
185 		sendfile_sync_signal(sfs);  in sendfile_free_mext()
209 		struct sendfile_sync *sfs = m->m_ext.ext_arg1;  in sendfile_free_mext_pg()  local
210 		sendfile_sync_signal(sfs);  in sendfile_free_mext_pg()
758 	struct sendfile_sync *sfs;  in vn_sendfile()  local
770 	sfs = NULL;  in vn_sendfile()
797 		sfs = malloc(sizeof(*sfs), M_SENDFILE, M_WAITOK | M_ZERO);  in vn_sendfile()
798 		mtx_init(&sfs->mtx, "sendfile", NULL, MTX_DEF);  in vn_sendfile()
799 		cv_init(&sfs->cv, "sendfile");  in vn_sendfile()
800 		sfs->waiting = true;  in vn_sendfile()
1032 					if (sfs != NULL) {  in vn_sendfile()
1035 						m0->m_ext.ext_arg1 = sfs;  in vn_sendfile()
1036 						mtx_lock(&sfs->mtx);  in vn_sendfile()
1037 						sfs->count++;  in vn_sendfile()
1038 						mtx_unlock(&sfs->mtx);  in vn_sendfile()
1110 			if (sfs != NULL) {  in vn_sendfile()
1112 				m0->m_ext.ext_arg2 = sfs;  in vn_sendfile()
1113 				mtx_lock(&sfs->mtx);  in vn_sendfile()
1114 				sfs->count++;  in vn_sendfile()
1115 				mtx_unlock(&sfs->mtx);  in vn_sendfile()
1253 	if (sfs != NULL) {  in vn_sendfile()
1254 		mtx_lock(&sfs->mtx);  in vn_sendfile()
1255 		if (sfs->count != 0)  in vn_sendfile()
1256 			error = cv_wait_sig(&sfs->cv, &sfs->mtx);  in vn_sendfile()
1257 		if (sfs->count == 0) {  in vn_sendfile()
1258 			sendfile_sync_destroy(sfs);  in vn_sendfile()
1260 			sfs->waiting = false;  in vn_sendfile()
1261 			mtx_unlock(&sfs->mtx);  in vn_sendfile()