[PATCH] XFS: Pagecache usage optimization on XFS

[Hisashi Hifumi]

At 18:16 09/03/16, Christoph Hellwig wrote:
>This looks like it should work.  did you run XFSQA on a small blocksize
>filesystem with this applied?

Hi.
I did XFSQA test on XFS partition with this patch applied.

arch:ia64
pagesize:16K
blocksize:2K

The result of XFSQA test 001~ 202 except 182 was OK. 
It was discussed about the failure of test 182 as follows.
http://marc.info/?l=linux-fsdevel&m=122535673232638&w=2
Subject:    do_sync() and XFSQA test 182 failures....