Junxiao Bi
2013-Aug-30 02:15 UTC
[Ocfs2-devel] [PATCH RESEND] ocfs2: break useless while loop
Break the while loop after get the value, or it will waste
cpu time.
Signed-off-by: Junxiao Bi <junxiao.bi at oracle.com>
Acked-by: Sunil Mushran <sunil.mushran at gmail.com>
---
fs/ocfs2/dlm/dlmmaster.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 005261c..1fadc39 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1888,8 +1888,10 @@ ok:
* up nodes that this node contacted */
while ((nn = find_next_bit (mle->response_map, O2NM_MAX_NODES,
nn+1)) < O2NM_MAX_NODES) {
- if (nn != dlm->node_num && nn != assert->node_idx)
+ if (nn != dlm->node_num && nn != assert->node_idx) {
master_request = 1;
+ break;
+ }
}
}
mle->master = assert->node_idx;
--
1.7.9.5