[Cluster-devel] [PATCH v1 net-next 1/1] fs: gfs2: Check if the return value of rhashtable_walk_start is -EAGAIN
fgao at 48lvckh6395k16k5.yundunddos.com
fgao at 48lvckh6395k16k5.yundunddos.com
Tue Aug 23 14:18:14 UTC 2016
From: Gao Feng <fgao at ikuai8.com>
When rhashtable_walk_start returns -EAGAIN, it means the resize event
happened but the iterator still could be used. So it should not be
treated as an error in gfs2_glock_seq_start.
Signed-off-by: Gao Feng <fgao at ikuai8.com>
---
fs/gfs2/glock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 3a90b2b..732721b 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1818,7 +1818,7 @@ static void *gfs2_glock_seq_start(struct seq_file *seq, loff_t *pos)
n = (*pos - gi->last_pos);
ret = rhashtable_walk_start(&gi->hti);
- if (ret)
+ if (ret && ret != -EAGAIN)
return NULL;
do {
--
1.9.1
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