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ocfs2: update seq_file index in ocfs2_dlm_seq_next

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The following INFO level message was seen:

seq_file: buggy .next function ocfs2_dlm_seq_next [ocfs2] did not
update position index

Fix:
Update *pos (so m->index) to make seq_read_iter happy though the index its
self makes no sense to ocfs2_dlm_seq_next.

Link: https://lkml.kernel.org/r/20241119174500.9198-1-wen.gang.wang@oracle.com
Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Wengang Wang 2024-11-19 09:45:00 -08:00 committed by Andrew Morton
parent 031e04bdc8
commit 914eec5e98
1 changed files with 1 additions and 0 deletions
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1
fs/ocfs2/dlmglue.c
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@ -3110,6 +3110,7 @@ static void *ocfs2_dlm_seq_next(struct seq_file *m, void *v, loff_t *pos)
struct ocfs2_lock_res *iter = v;
struct ocfs2_lock_res *dummy = &priv->p_iter_res;
(*pos)++;
spin_lock(&ocfs2_dlm_tracking_lock);
iter = ocfs2_dlm_next_res(iter, priv);
list_del_init(&dummy->l_debug_list);