Hi Weston, [auto build test WARNING on v4.6-rc1] [also build test WARNING on next-20160401] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Weston-Andros-Adamson/pnfs-set-NFS_IOHDR_REDO-in-pnfs_read_resend_pnfs/20160401-223208 config: i386-allmodconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): fs/nfs/pnfs.c: In function 'pnfs_do_read': >> fs/nfs/pnfs.c:2164:6: warning: unused variable 'err' [-Wunused-variable] int err = 0; ^ vim +/err +2164 fs/nfs/pnfs.c ceb11e13 Peng Tao 2014-11-10 2148 struct nfs_pageio_descriptor pgio; ceb11e13 Peng Tao 2014-11-10 2149 a5073dc2 Weston Andros Adamson 2016-04-01 2150 if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) { a5073dc2 Weston Andros Adamson 2016-04-01 2151 nfs_pageio_init_read(&pgio, hdr->inode, false, a5073dc2 Weston Andros Adamson 2016-04-01 2152 hdr->completion_ops); a5073dc2 Weston Andros Adamson 2016-04-01 2153 hdr->task.tk_status = nfs_pageio_resend(&pgio, hdr); a5073dc2 Weston Andros Adamson 2016-04-01 2154 } ceb11e13 Peng Tao 2014-11-10 2155 } ceb11e13 Peng Tao 2014-11-10 2156 EXPORT_SYMBOL_GPL(pnfs_read_resend_pnfs); ceb11e13 Peng Tao 2014-11-10 2157 493292dd Trond Myklebust 2011-07-13 2158 static void 7f714720 Weston Andros Adamson 2014-05-15 2159 pnfs_do_read(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr) 493292dd Trond Myklebust 2011-07-13 2160 { 493292dd Trond Myklebust 2011-07-13 2161 const struct rpc_call_ops *call_ops = desc->pg_rpc_callops; 493292dd Trond Myklebust 2011-07-13 2162 struct pnfs_layout_segment *lseg = desc->pg_lseg; 493292dd Trond Myklebust 2011-07-13 2163 enum pnfs_try_status trypnfs; ceb11e13 Peng Tao 2014-11-10 @2164 int err = 0; 493292dd Trond Myklebust 2011-07-13 2165 d45f60c6 Weston Andros Adamson 2014-06-09 2166 trypnfs = pnfs_try_to_read_data(hdr, call_ops, lseg); ceb11e13 Peng Tao 2014-11-10 2167 if (trypnfs == PNFS_TRY_AGAIN) a5073dc2 Weston Andros Adamson 2016-04-01 2168 pnfs_read_resend_pnfs(hdr); a5073dc2 Weston Andros Adamson 2016-04-01 2169 if (trypnfs == PNFS_NOT_ATTEMPTED || hdr->task.tk_status) d45f60c6 Weston Andros Adamson 2014-06-09 2170 pnfs_read_through_mds(desc, hdr); 493292dd Trond Myklebust 2011-07-13 2171 } 493292dd Trond Myklebust 2011-07-13 2172 :::::: The code at line 2164 was first introduced by commit :::::: ceb11e13df3e78b450730c615037133c57b90c3b pnfs: allow LD to ask to resend read through pnfs :::::: TO: Peng Tao <tao.peng@xxxxxxxxxxxxxxx> :::::: CC: Tom Haynes <loghyr@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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