NFS: Use GFP_NOIO for two allocations in writeback

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Prevent a deadlock that can occur if we wait on allocations
that try to write back our pages.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Fixes: 00bfa30abe ("NFS: Create a common pgio_alloc and pgio_release...")
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

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Benjamin Coddington 2017-04-19 10:11:33 -04:00 • committed by Trond Myklebust

parent 1f84ccdf37

commit ae97aa524e

1 changed files with 11 additions and 4 deletions

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15

fs/nfs/pagelist.c

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