From: David Laight <david.lai...@aculab.com>
Date: Wed, 15 Apr 2015 08:37:01 +0000
> From: David Miller
>> Sent: 14 April 2015 18:56
>> > On Tue, Apr 14, 2015 at 04:25:24PM +0000, David Laight wrote:
>> >> From: Al Viro
>> >> > Sent: 11 April 2015 22:18
>> >> > it's equal to iov_iter_count(&msg->msg_iter) in all cases
>> >>
>> >> I don't know whether this is guaranteed for iov[] that come from
>> >> userspace.
>> >>
>> >> In any case iov_iter_count() is non-trivial and you don't
>> >> really want to call it when unnecessary.
>> >
>> > Really?
>> >
>> > static inline size_t iov_iter_count(struct iov_iter *i)
>> > {
>> > return i->count;
>> > }
>>
>> This just made my day.
>
> I hate accessor functions
I hate people who jump to conclusions and don't actually read the code
in question before commenting. :-)
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