Subject: + ocfs2-break-useless-while-loop.patch added to -mm tree
To: junxiao.bi@xxxxxxxxxx,jlbec@xxxxxxxxxxxx,mfasheh@xxxxxxxx,sunil.mushran@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 13 Sep 2013 15:51:43 -0700
The patch titled
Subject: ocfs2: break useless while loop
has been added to the -mm tree. Its filename is
ocfs2-break-useless-while-loop.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-break-useless-while-loop.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-break-useless-while-loop.patch
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------------------------------------------------------
From: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx>
Acked-by: Sunil Mushran <sunil.mushran@xxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/dlm/dlmmaster.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN fs/ocfs2/dlm/dlmmaster.c~ocfs2-break-useless-while-loop fs/ocfs2/dlm/dlmmaster.c
--- a/fs/ocfs2/dlm/dlmmaster.c~ocfs2-break-useless-while-loop
+++ a/fs/ocfs2/dlm/dlmmaster.c
@@ -1885,8 +1885,10 @@ 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;
_
Patches currently in -mm which might be from junxiao.bi@xxxxxxxxxx are
origin.patch
ocfs2-update-inode-size-after-zeronig-the-hole.patch
ocfs2-break-useless-while-loop.patch
linux-next.patch
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