Re: [RFC PATCH v2 18/21] ext4: add support for read_iter andwrite_iter

[Ted Ts'o]

On Fri, Mar 30, 2012 at 10:43:45AM -0500, Dave Kleikamp wrote:
> use the generic .read_iter and .write_iter functions

Potentially silly question --- why not use NULL pointer to mean
generic_file_read_iter and generic_file_write_iter?  Then you won't
have to patch a bunch of file systems to add the generic .read_iter
and .write_iter?

						- Ted
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