Hi Andreas, [auto build test WARNING on nfs/linux-next] [also build test WARNING on v4.8-rc6 next-20160912] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Andreas-Gruenbacher/nfs-Set-s_time_gran-consistently-on-NFSv2/20160912-200059 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: x86_64-randconfig-x001-201637 (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): fs/nfs/super.c: In function 'nfs_clone_super': >> fs/nfs/super.c:2364:21: warning: unused variable 'server' [-Wunused-variable] struct nfs_server *server = NFS_SB(sb); ^~~~~~ vim +/server +2364 fs/nfs/super.c f7b422b1 David Howells 2006-06-09 2348 sb->s_blocksize = 0; 6a74490d Bryan Schumaker 2012-07-30 2349 sb->s_xattr = server->nfs_client->cl_nfs_mod->xattr; 6a74490d Bryan Schumaker 2012-07-30 2350 sb->s_op = server->nfs_client->cl_nfs_mod->sops; 6a74490d Bryan Schumaker 2012-07-30 2351 if (data && data->bsize) f7b422b1 David Howells 2006-06-09 2352 sb->s_blocksize = nfs_block_size(data->bsize, &sb->s_blocksize_bits); f7b422b1 David Howells 2006-06-09 2353 54ceac45 David Howells 2006-08-22 2354 nfs_initialise_sb(sb); 54ceac45 David Howells 2006-08-22 2355 } 89d77c8f Bryan Schumaker 2012-07-30 2356 EXPORT_SYMBOL_GPL(nfs_fill_super); 8fa5c000 David Howells 2006-08-22 2357 f7b422b1 David Howells 2006-06-09 2358 /* 3cadf4b8 Bryan Schumaker 2012-07-16 2359 * Finish setting up a cloned NFS2/3/4 superblock 54ceac45 David Howells 2006-08-22 2360 */ fbdefd64 Bryan Schumaker 2012-07-16 2361 void nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info) 54ceac45 David Howells 2006-08-22 2362 { 8c958e0c Bryan Schumaker 2012-05-10 2363 const struct super_block *old_sb = mount_info->cloned->sb; 54ceac45 David Howells 2006-08-22 @2364 struct nfs_server *server = NFS_SB(sb); 54ceac45 David Howells 2006-08-22 2365 54ceac45 David Howells 2006-08-22 2366 sb->s_blocksize_bits = old_sb->s_blocksize_bits; 54ceac45 David Howells 2006-08-22 2367 sb->s_blocksize = old_sb->s_blocksize; 54ceac45 David Howells 2006-08-22 2368 sb->s_maxbytes = old_sb->s_maxbytes; 3cadf4b8 Bryan Schumaker 2012-07-16 2369 sb->s_xattr = old_sb->s_xattr; 3cadf4b8 Bryan Schumaker 2012-07-16 2370 sb->s_op = old_sb->s_op; f7b422b1 David Howells 2006-06-09 2371 54ceac45 David Howells 2006-08-22 2372 nfs_initialise_sb(sb); :::::: The code at line 2364 was first introduced by commit :::::: 54ceac4515986030c2502960be620198dd8fe25b NFS: Share NFS superblocks per-protocol per-server per-FSID :::::: TO: David Howells <dhowells@xxxxxxxxxx> :::::: CC: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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