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(parent: 93a3844) | patch
pnfsblock: limit bio page count
authorPeng Tao <bergwolf@gmail.com>
Thu, 12 Jan 2012 15:18:48 +0000 (23:18 +0800)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Thu, 12 Jan 2012 21:39:05 +0000 (16:39 -0500)
commit74a6eeb44ca6174d9cc93b9b8b4d58211c57bc80
tree7aa0fc19c383f31123232103121756e48fbb84edtree | snapshot
parent93a3844ee0f843b05a1df4b52e1a19ff26b98d24commit | diff
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>
fs/nfs/blocklayout/blocklayout.c diff | blob | history
Linux kernel for KaRo TX COM modules