[PATCH 00/10] remove xfsbufd

[Dave Chinner]

On Tue, Mar 27, 2012 at 12:44:00PM -0400, Christoph Hellwig wrote:
> Now that we all dirty metadata is tracked in the AIL, and except for few
> special cases only written through it there is no point to keep the current
> delayed buffers list and xfsbufd around.
> 
> This series remove a few more of the remaining special cases and then
> replaced the global delwri buffer list with a local on-stack one.  The
> main consumer is xfsaild, which is used more often now.
> 
> Besides removing a lot of code this change reduce buffer cache lookups
> on loaded systems from xfsaild because we can figure out that a buffer
> already is under writeback entirely locally now.