Hillf Danton wrote:
> On Thu, Mar 1, 2012 at 2:17 PM, Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:
>> +/*
>> + * free all the xattrs
>> + */
>> +void kmem_xattrs_free(struct kmem_xattrs *xattrs)
>> +{
>> + struct kmem_xattr *xattr, *node;
>> +
>> + spin_lock(&xattrs->lock);
>> + list_for_each_entry_safe(xattr, node, &xattrs->head, list) {
>> + kfree(xattr->name);
>> + kfree(xattr);
>> + }
>> + spin_unlock(&xattrs->lock);
>
> In your work it is a library function, operations on &xattrs->head
> are no longer allowed, say list_empty(), after it called, though I
> dunno if such operations exist.
>
I'd prefer to make it safer to use, so I'll re-init the list head
after freeing all the list items.
> And kmem_xattrs is too close to kmem_xattr, kmem_xattr_list
> is not pron of typo.
>
Then you won't pass compile. ;)
kmem_xattr_list exposed the data structure we used internally.
We might change to use an rbtree.
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