[PATCH 2/2] cpukit/jffs2: Use unprotected chain calls

[Kinsey Moore]

Use unprotected chain calls for delayed write workqueues since these
calls are either protected by locks or only operate on local chains and
are never accessed from interrupt context.

Updates #4956
---
 cpukit/libfs/src/jffs2/src/fs-rtems.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/cpukit/libfs/src/jffs2/src/fs-rtems.c b/cpukit/libfs/src/jffs2/src/fs-rtems.c
index 36bada9a98..644c7385c5 100644
--- a/cpukit/libfs/src/jffs2/src/fs-rtems.c
+++ b/cpukit/libfs/src/jffs2/src/fs-rtems.c
@@ -1246,7 +1246,7 @@ void jffs2_queue_delayed_work(struct delayed_work *work, int delay_ms)
 	mutex_lock(&delayed_work_mutex);
 	if (rtems_chain_is_node_off_chain(&work->work.node)) {
 		work->execution_time = rtems_clock_get_uptime_nanoseconds() + delay_ms*1000000;
-		rtems_chain_append(&delayed_work_chain, &work->work.node);
+		rtems_chain_append_unprotected(&delayed_work_chain, &work->work.node);
 	}
 	mutex_unlock(&delayed_work_mutex);
 }
@@ -1267,7 +1267,7 @@ static void jffs2_remove_delayed_work(struct delayed_work *dwork)
 		work = (struct delayed_work*) node;
 		rtems_chain_node* next_node = rtems_chain_next(node);
 		if (work == dwork) {
-			rtems_chain_extract(node);
+			rtems_chain_extract_unprotected(node);
 			rtems_chain_set_off_chain(node);
 			mutex_unlock(&delayed_work_mutex);
 			return;
@@ -1296,8 +1296,8 @@ static void process_delayed_work(void)
 		work = (struct delayed_work*) node;
 		rtems_chain_node* next_node = rtems_chain_next(node);
 		if (rtems_clock_get_uptime_nanoseconds() >= work->execution_time) {
-			rtems_chain_extract(node);
-			rtems_chain_append(&process_work_chain, node);
+			rtems_chain_extract_unprotected(node);
+			rtems_chain_append_unprotected(&process_work_chain, node);
 		}
 		node = next_node;
 	}
@@ -1315,7 +1315,7 @@ static void process_delayed_work(void)
 #ifdef RTEMS_DEBUG
 		mutex_lock(&delayed_work_mutex);
 #endif
-		rtems_chain_extract(node);
+		rtems_chain_extract_unprotected(node);
 #ifdef RTEMS_DEBUG
 		node->next = node;
 		mutex_unlock(&delayed_work_mutex);
-- 
2.39.2