linux-kernel - [linux-next:master 11868/13492] fs/nfsd/nfs4state.c:2508:6: sparse: sparse: symbol 'force_expire_client' was not declared. Should it be static?

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Date:   Wed, 10 Jul 2019 01:32:17 +0800
From:   kbuild test robot <lkp@...el.com>
To:     "J. Bruce Fields" <bfields@...hat.com>
Cc:     kbuild-all@...org, Jeff Layton <jlayton@...nel.org>,
        linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [linux-next:master 11868/13492] fs/nfsd/nfs4state.c:2508:6: sparse:
 sparse: symbol 'force_expire_client' was not declared. Should it be static?

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master
head:   4608a726c66807c27bc7d91bdf8a288254e29985
commit: 89c905beccbbafa88490c8c4c35eaec5ce4c1329 [11868/13492] nfsd: allow forced expiration of NFSv4 clients
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty
        git checkout 89c905beccbbafa88490c8c4c35eaec5ce4c1329
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)

   fs/nfsd/nfs4state.c:2352:23: sparse: sparse: unknown escape sequence: '%'
   fs/nfsd/nfs4state.c:2352:23: sparse: sparse: unknown escape sequence: '%'
   fs/nfsd/nfs4state.c:2355:23: sparse: sparse: unknown escape sequence: '%'
   fs/nfsd/nfs4state.c:2355:23: sparse: sparse: unknown escape sequence: '%'
   fs/nfsd/nfs4state.c:1907:6: sparse: sparse: symbol 'drop_client' was not declared. Should it be static?
>> fs/nfsd/nfs4state.c:2508:6: sparse: sparse: symbol 'force_expire_client' was not declared. Should it be static?
   include/linux/rculist.h:455:20: sparse: sparse: context imbalance in 'put_nfs4_file' - unexpected unlock
   include/linux/list.h:125:25: sparse: sparse: context imbalance in 'put_clnt_odstate' - unexpected unlock
   fs/nfsd/nfs4state.c:915:9: sparse: sparse: context imbalance in 'nfs4_put_stid' - unexpected unlock

Please review and possibly fold the followup patch.

---
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