Re: [PATCH v5 3/7] mm: add find_get_entries_tag()

[Andrew Morton]

On Fri, 18 Dec 2015 22:22:16 -0700 Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> wrote:

> Add find_get_entries_tag() to the family of functions that include
> find_get_entries(), find_get_pages() and find_get_pages_tag().  This is
> needed for DAX dirty page handling because we need a list of both page
> offsets and radix tree entries ('indices' and 'entries' in this function)
> that are marked with the PAGECACHE_TAG_TOWRITE tag.
> 
> ...
>
> +EXPORT_SYMBOL(find_get_entries_tag);

This is actually a pretty crappy name because it doesn't describe what
subsystem it belongs to.  scheduler?  scatter/gather?  filesystem?

But given what we've already done, I don't see an obvious fix.
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