Tejun Heo wrote:
Both all the list-heads need to be cleared, otherwise there may be
list corruption next time the element is added to the list_head.
scmd->eh_entry is never used as list head. It's always used as list
entry. So, technically, it needs not be cleared, I think. No? The
problem we had was w/ shost->eh_cmd_q not being cleared.
Every node is a list_head. You want all pointers for all nodes pointing
to something useful, even if they are not actively present on a list, so
that they may be easily and corrected added to a list at a later time.
Read list_del_init() for example.
Jeff
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