tree 7aa0fc19c383f31123232103121756e48fbb84ed
parent 93a3844ee0f843b05a1df4b52e1a19ff26b98d24
author Peng Tao <bergwolf@gmail.com> 1326381528 +0800
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1326404345 -0500

pnfsblock: limit bio page count

One bio can have at most BIO_MAX_PAGES pages. We should limit it bec otherwise
bio_alloc will fail when there are many pages in one read/write_pagelist.

Cc: <stable@vger.kernel.org> #3.1+
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>