Searched refs:has_writer (Results 1 – 1 of 1) sorted by relevance
34 static int has_writer; variable112 assert(!qatomic_read(&has_writer)); in bdrv_graph_wrlock()130 qatomic_set(&has_writer, 0); in bdrv_graph_wrlock()132 qatomic_set(&has_writer, 1); in bdrv_graph_wrlock()148 assert(qatomic_read(&has_writer)); in bdrv_graph_wrunlock()155 qatomic_store_release(&has_writer, 0); in bdrv_graph_wrunlock()190 if (!qatomic_read(&has_writer)) { in bdrv_graph_co_rdlock()224 if (!qatomic_read(&has_writer)) { in bdrv_graph_co_rdlock()252 if (qatomic_read(&has_writer)) { in bdrv_graph_co_rdunlock()280 assert(qatomic_read(&has_writer)); in assert_bdrv_graph_writable()