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Subject[PATCH 4.9 02/66] orangefs: use list_for_each_entry_safe in purge_waiting_ops
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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Martin Brandenburg <martin@omnibond.com>

commit 0afc0decf247f65b7aba666a76a0a68adf4bc435 upstream.

set_op_state_purged can delete the op.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/orangefs/waitqueue.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/orangefs/waitqueue.c
+++ b/fs/orangefs/waitqueue.c
@@ -28,10 +28,10 @@ static void orangefs_clean_up_interrupte
*/
void purge_waiting_ops(void)
{
- struct orangefs_kernel_op_s *op;
+ struct orangefs_kernel_op_s *op, *tmp;

spin_lock(&orangefs_request_list_lock);
- list_for_each_entry(op, &orangefs_request_list, list) {
+ list_for_each_entry_safe(op, tmp, &orangefs_request_list, list) {
gossip_debug(GOSSIP_WAIT_DEBUG,
"pvfs2-client-core: purging op tag %llu %s\n",
llu(op->tag),

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