Re: your patch "mm: Remove false WARN_ON from pagecache_isize_extended()"

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.11.14 at 23:18, <david@xxxxxxxxxxxxx> wrote:
> On Mon, Nov 03, 2014 at 04:41:13PM +0000, Jan Beulich wrote:
>> having run into that warning too, I looked into it a little, and now
>> having found that patch am pretty uncertain: Both truncate_setsize()
>> and pagecache_isize_extended() document that they want to be
>> called with i_mutex held, so removing the WARN_ON() alone seems
>> either incomplete or wrong. What I found to work without violating
>> this documented requirement is the patch below.
> 
> Or, just perhaps, the comments are wrong....

Right - that's what I was suggesting with the option of the patch
being incomplete (rather than just removing the WARN_ON() it
should also remove the respective comments then).

Jan