Re: [PATCH] block: remove plugging at buffered write time

[Dave Chinner]

On Wed, Feb 08, 2012 at 07:01:44PM +0800, Wu Fengguang wrote:
> Buffered write(2) is not directly tied to IO, so it's not suitable to
> handle plug in generic_file_aio_write().

But generic_sync_write() does issue IO for O_SYNC writes, so unless
there is plugging at a lower layer in the writeback code then it
appears to me that plugging is still necessary (at least inside the
sync branch)....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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