Re: [PATCH 10/12] nfs: enable swap on NFS

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On 06/20/2012 05:37 AM, Mel Gorman wrote:
Implement the new swapfile a_ops for NFS and hook up ->direct_IO. This
will set the NFS socket to SOCK_MEMALLOC and run socket reconnect
under PF_MEMALLOC as well as reset SOCK_MEMALLOC before engaging the
protocol ->connect() method.

PF_MEMALLOC should allow the allocation of struct socket and related
objects and the early (re)setting of SOCK_MEMALLOC should allow us
to receive the packets required for the TCP connection buildup.

[dfeng@xxxxxxxxxx: Fix handling of multiple swap files]
[a.p.zijlstra@xxxxxxxxx: Original patch]
Signed-off-by: Mel Gorman<mgorman@xxxxxxx>

Acked-by: Rik van Riel<riel@xxxxxxxxxx>

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