Matthew Wilcox wrote:
>
> On Fri, Oct 04, 2002 at 10:48:33AM -0500, Mark Peloquin wrote:
> > list_empty() can be used on check list heads *or*
> > to check if a list element is currently in a list,
> > assuming the coder uses list_del_init(). However,
> > if the coder chooses to use list_del() [which sets
> > the prev and next fields to 0] instead, there is no
> > corresponding function to indicate if that element
> > is currently on a list. This function does that.
>
> That behaviour for list_del is new and, IMNSHO, bogus. There's now _zero_
> gain in using list_del instead of list_del_init. akpm changed it about
> 5 months ago with a comment that says:
>
> "list_head debugging"
>
It doesn't seem to have caught anyone out, so I guess we can
put it back now. I'll do a patch.
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This archive was generated by hypermail 2b29 : Mon Oct 07 2002 - 22:00:45 EST