From: Ian Campbell <ijc@hellion.org.uk>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>, linux-nfs@vger.kernel.org,
       Max Kellermann <mk@cm4all.com>, linux-kernel@vger.kernel.org,
       gcosta@redhat.com, Grant Coady <grant_lkml@dodo.com.au>,
       Tom Tucker <tom@opengridcomputing.com>
In-Reply-To: <20090108182003.GB17623@fieldses.org>
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	 <1229279045.3721.1.camel@localhost.localdomain>
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Date: Thu, 08 Jan 2009 21:22:33 +0000
Message-Id: <1231449753.21688.12.camel@localhost.localdomain>
Mime-Version: 1.0
Subject: Re: [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more
	than 120 seconds"
Sender: linux-kernel-owner@vger.kernel.org
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On Thu, 2009-01-08 at 13:20 -0500, J. Bruce Fields wrote:
> On Wed, Jan 07, 2009 at 05:21:15PM -0500, J. Bruce Fields wrote:
> > On Tue, Dec 16, 2008 at 06:39:35PM +0000, Ian Campbell wrote:
> > > That's right, it was actually 2.6.26.7 FWIW.
> > >=20
> > > > I'll try to take a look at these before I leave for the holidays,
> > > > assuming the versions Trond posted on Nov. 30 are the latest.
> > >=20
> > > Thanks.
> >=20
> > Sorry for getting behind.
> >=20
> > If you got a chance to retest with the for-2.6.29 branch at
> >=20
> > 	git://linux-nfs.org/~bfields/linux.git for-2.6.29
> >=20
> > that'd be great; that's what I intend to send to Linus.
>=20
> (Merged now, so testing mainline as of today should work too.)

The server isn't really a machine I want to test random kernels on, is
there some subset of those changesets which it would be useful for me to
pull back onto the 2.6.26 kernel I'm using to test? (I can most like
manage the backporting myself).

These two look like the relevant ones to me but I'm not sure:
22945e4a1c7454c97f5d8aee1ef526c83fef3223 svc: Clean up deferred requests on=
 transport destruction
69b6ba3712b796a66595cfaf0a5ab4dfe1cf964a SUNRPC: Ensure the server closes s=
ockets in a timely fashion

I think 69b6 was in the set of three I tested previously and the other
two turned into 2294?

Ian.

Full list 238c6d54830c624f34ac9cf123ac04aebfca5013..nfs-bfields/for-2.6.29:
db43910cb42285a99f45f7e0a0a32e32d0b61dcf nfsd: get rid of NFSD_VERSION
87df4de8073f922a1f643b9fa6ba0412d5529ecf nfsd: last_byte_offset
4e65ebf08951326709817e654c149d0a94982e01 nfsd: delete wrong file comment fr=
om nfsd/nfs4xdr.c
df96fcf02a5fd2ae4e9b09e079dd6ef12d10ecd7 nfsd: git rid of nfs4_cb_null_ops =
declaration
0407717d8587f60003f4904bff27650cd836c00c nfsd: dprint each op status in nfs=
d4_proc_compound
b7aeda40d3010666d2c024c80557b6aa92a1a1ad nfsd: add etoosmall to nfserrno
30fa8c0157e4591ee2227aaa0b17cd3b0da5e6cb NFSD: FIDs need to take precedence=
 over UUIDs
24c3767e41a6a59d32bb45abe899eb194e6bf1b8 SUNRPC: The sunrpc server code sho=
uld not be used by out-of-tree modules
22945e4a1c7454c97f5d8aee1ef526c83fef3223 svc: Clean up deferred requests on=
 transport destruction
9a8d248e2d2e9c880ac4561f27fea5dc200655bd nfsd: fix double-locks of director=
y mutex
2779e3ae39645515cb6c1126634f47c28c9e7190 svc: Move kfree of deferral record=
 to common code
f05ef8db1abe68e3f6fc272efee51bc54ce528c5 CRED: Fix NFSD regression
0dba7c2a9ed3d4a1e58f5d94fffa9f44dbe012e6 NLM: Clean up flow of control in m=
ake_socks() function
d3fe5ea7cf815c037c90b1f1464ffc1ab5e8601b NLM: Refactor make_socks() functio=
n
55ef1274dddd4de387c54d110e354ffbb6cdc706 nfsd: Ensure nfsv4 calls the under=
lying filesystem on LOCKT
69b6ba3712b796a66595cfaf0a5ab4dfe1cf964a SUNRPC: Ensure the server closes s=
ockets in a timely fashion
262a09823bb07c6aafb6c1d312cde613d0b90c85 NFSD: Add documenting comments for=
 nfsctl interface
9e074856caf13ba83363f73759f5e395f74ccf41 NFSD: Replace open-coded integer w=
ith macro
54224f04ae95d86b27c0673cd773ebb120d86876 NFSD: Fix a handful of coding styl=
e issues in write_filehandle()
b046ccdc1f8171f6d0129dcc2a28d49187b4bf69 NFSD: clean up failover sysctl fun=
ction naming
b064ec038a6180b13e5f89b6a30b42cb5ce8febc lockd: Enable NLM use of AF_INET6
57ef692588bc225853ca3267ca5b7cea2b07e058 NLM: Rewrite IPv4 privileged reque=
ster's check
d1208f70738c91f13b4eadb1b7a694082e439da2 NLM: nlm_privileged_requester() do=
esn't recognize mapped loopback address
49b5699b3fc22b363534c509c1b7dba06bc677bf NSM: Move nsm_create()
b7ba597fb964dfa44284904b3b3d74d44b8e1c42 NSM: Move nsm_use_hostnames to mon=
.c
8529bc51d30b8f001734b29b21a51b579c260f5b NSM: Move nsm_addr() to fs/lockd/m=
on.c
e6765b83977f07983c7a10e6bbb19d6c7bbfc3a4 NSM: Remove include/linux/lockd/sm=
_inter.h
94da7663db26530a8377f7219f8be8bd4d4822c2 NSM: Replace IP address as our nlm=
_reboot lookup key
77a3ef33e2de6fc8aabd7cb1700bfef81757c28a NSM: More clean up of nsm_get_hand=
le()
b39b897c259fc1fd1998505f2b1d4ec1f115bce1 NSM: Refactor nsm_handle creation =
into a helper function
92fd91b998a5216a6d6606704e71d541a180216c NLM: Remove "create" argument from=
 nsm_find()
8c7378fd2a5f22016542931b887a2ae98d146eaf NLM: Call nsm_reboot_lookup() inst=
ead of nsm_find()
3420a8c4359a189f7d854ed7075d151257415447 NSM: Add nsm_lookup() function
576df4634e37e46b441fefb91915184edb13bb94 NLM: Decode "priv" argument of NLM=
PROC_SM_NOTIFY as an opaque
7fefc9cb9d5f129c238d93166f705c96ca2e7e51 NLM: Change nlm_host_rebooted() to=
 take a single nlm_reboot argument
cab2d3c99165abbba2943f1b269003b17fd3b1cb NSM: Encode the new "priv" cookie =
for NSMPROC_MON requests
7e44d3bea21fbb9494930d1cd35ca92a9a4a3279 NSM: Generate NSMPROC_MON's "priv"=
 argument when nsm_handle is created
05f3a9af58180d24a9decedd71d4587935782d70 NSM: Remove !nsm check from nsm_re=
lease()
bc1cc6c4e476b60df48227165990c87a22db6bb7 NSM: Remove NULL pointer check fro=
m nsm_find()
5cf1c4b19db99d21d44c2ab457cfd44eb86b4439 NSM: Add dprintk() calls in nsm_fi=
nd and nsm_release
67c6d107a689243979a2b5f15244b5261634a924 NSM: Move nsm_find() to fs/lockd/m=
on.c
03eb1dcbb799304b58730f4dba65812f49fb305e NSM: move to xdr_stream-based XDR =
encoders and decoders
36e8e668d3e6a61848a8921ddeb663b417299fa5 NSM: Move NSM program and procedur=
e numbers to fs/lockd/mon.c
9c1bfd037f7ff8badaecb47418f109148d88bf45 NSM: Move NSM-related XDR data str=
uctures to lockd's xdr.h
0c7aef4569f8680951b7dee01dddffb9d2f809ff NSM: Check result of SM_UNMON upca=
ll
356c3eb466fd1a12afd6448d90fba3922836e5f1 NLM: Move the public declaration o=
f nsm_unmonitor() to lockd.h
c8c23c423dec49cb439697d3dc714e1500ff1610 NSM: Release nsmhandle in nlm_dest=
roy_host
1e49323c4ab044d05bbc68cf13cadcbd4372468c NLM: Move the public declaration o=
f nsm_monitor() to lockd.h
5d254b119823658cc318f88589c6c426b3d0a153 NSM: Make sure to return an error =
if the SM_MON call result is not zero
5bc74bef7c9b652f0f2aa9c5a8d5ac86881aba79 NSM: Remove BUG_ON() in nsm_monito=
r()
501c1ed3fb5c2648ba1709282c71617910917f66 NLM: Remove redundant printk() in =
nlmclnt_lock()
9fee49024ed19d849413df4ab6ec1a1a60aaae94 NSM: Use sm_name instead of h_name=
 in nsm_monitor() and nsm_unmonitor()
29ed1407ed81086b778ebf12145b048ac3f7e10e NSM: Support IPv6 version of mon_n=
ame
f47534f7f0ac7727e05ec4274b764b181df2cf7f NSM: Use modern style for sm_name =
field in nsm_handle
5acf43155d1bcc412d892c73f64044f9a826cde6 NSM: convert printk(KERN_DEBUG) to=
 a dprintk()
a4846750f090702e2fb848ac4fe5827bcef34060 NSM: Use C99 structure initializer=
 to initialize nsm_args
afb03699dc0a920aed3322ad0e6895533941fb1e NLM: Add helper to handle IPv4 add=
resses
bc995801a09d1fead0bec1356bfd836911c8eed7 NLM: Support IPv6 scope IDs in nlm=
_display_address()
6999fb4016b2604c2f8a65586bba4a62a4b24ce7 NLM: Remove AF_UNSPEC arm in nlm_d=
isplay_address()
1df40b609ad5a622904eb652109c287fe9c93ec5 NLM: Remove address eye-catcher bu=
ffers from nlm_host
7538ce1eb656a1477bedd5b1c202226e7abf5e7b NLM: Use modern style for pointer =
fields in nlm_host
c72a476b4b7ecadb80185de31236edb303c1a5d0 lockd: set svc_serv->sv_maxconn to=
 a more reasonable value (try #3)
c9233eb7b0b11ef176d4bf68da2ce85464b6ec39 sunrpc: add sv_maxconn field to sv=
c_serv (try #3)
548eaca46b3cf4419b6c2be839a106d8641ffb70 nfsd: document new filehandle fsid=
 types
2bd9e7b62e6e1da3f881c40c73d93e9a212ce6de nfsd: Fix leaked memory in nfs4_ma=
ke_rec_clidname
9346eff0dea1e5855fba25c9fe639d92a4db3135 nfsd: Minor cleanup of find_statei=
d
b3d47676d474ecd914c72049c87e71e5f0ffe040 nfsd: update fh_verify description


--=20
Ian Campbell

You're definitely on their list.  The question to ask next is what list it =
is.

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