FS-Cache: Annotate slow-work runqueue proc lines for FS-Cache work items
Annotate slow-work runqueue proc lines for FS-Cache work items. Objects
include the object ID and the state. Operations include the object ID, the
operation ID and the operation type and state.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 84d3532..7a9847c 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -102,6 +102,16 @@
/* operation releaser */
fscache_operation_release_t release;
+
+#ifdef CONFIG_SLOW_WORK_PROC
+ const char *name; /* operation name */
+ const char *state; /* operation state */
+#define fscache_set_op_name(OP, N) do { (OP)->name = (N); } while(0)
+#define fscache_set_op_state(OP, S) do { (OP)->state = (S); } while(0)
+#else
+#define fscache_set_op_name(OP, N) do { } while(0)
+#define fscache_set_op_state(OP, S) do { } while(0)
+#endif
};
extern atomic_t fscache_op_debug_id;
@@ -125,6 +135,7 @@
op->debug_id = atomic_inc_return(&fscache_op_debug_id);
op->release = release;
INIT_LIST_HEAD(&op->pend_link);
+ fscache_set_op_state(op, "Init");
}
/**
@@ -337,6 +348,7 @@
FSCACHE_OBJECT_RECYCLING, /* retiring object */
FSCACHE_OBJECT_WITHDRAWING, /* withdrawing object */
FSCACHE_OBJECT_DEAD, /* object is now dead */
+ FSCACHE_OBJECT__NSTATES
} state;
int debug_id; /* debugging ID */