Thread (37 messages) 37 messages, 5 authors, 2010-08-03

Re: [PATCH -mmotm 00/30] [RFC] swap over nfs -v21

From: Américo Wang <hidden>
Date: 2010-07-13 12:53:46
Also in: linux-mm, linux-nfs, lkml

On Tue, Jul 13, 2010 at 6:16 PM, Xiaotian Feng [off-list ref] wrote:
Hi,

Here's the latest version of swap over NFS series since -v20 last October. We decide to push
this feature as it is useful for NAS or virt environment.

The patches are against the mmotm-2010-07-01. We can split the patchset into following parts:

Patch 1 - 12: provides a generic reserve framework. This framework
could also be used to get rid of some of the __GFP_NOFAIL users.

Patch 13 - 15: Provide some generic network infrastructure needed later on.

Patch 16 - 21: reserve a little pool to act as a receive buffer, this allows us to
inspect packets before tossing them.

Patch 22 - 23: Generic vm infrastructure to handle swapping to a filesystem instead of a block
device.

Patch 24 - 27: convert NFS to make use of the new network and vm infrastructure to
provide swap over NFS.

Patch 28 - 30: minor bug fixing with latest -mmotm.

[some history]
v19: http://lwn.net/Articles/301915/
v20: http://lwn.net/Articles/355350/

Changes since v20:
       - rebased to mmotm-2010-07-01
       - dropped the null pointer deref patch for the root cause is wrong SWP_FILE enum
       - some minor build fixes
       - fix a null pointer deref with mmotm-2010-07-01
       - fix a bug when swap with multi files on the same nfs server
Please use the "From:" line correctly, as stated in
Documentation/SubmittingPatches:

The "from" line must be the very first line in the message body,
and has the form:

        From: Original Author [off-list ref]

The "from" line specifies who will be credited as the author of the
patch in the permanent changelog.  If the "from" line is missing,
then the "From:" line from the email header will be used to determine
the patch author in the changelog.


I think you are using git format-patch to generate those patches, please supply
--author=<author> to git commit when you commit them to your local
tree. (or git am
if the patches you received already had the correct From: line.)

Thanks.
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