Hi Jeff, [auto build test WARNING on btrfs/next] [also build test WARNING on v4.9-rc3 next-20161028] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/jeffm-suse-com/btrfs-remove-old-tree_root-dirent-processing-in-btrfs_real_readdir/20161105-104432 base: https://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git next config: i386-randconfig-b0-11051048 (attached as .config) compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): fs/btrfs/inode.c: In function 'btrfs_real_readdir': >> fs/btrfs/inode.c:5754:6: warning: unused variable 'di_len' [-Wunused-variable] u32 di_len; ^ >> fs/btrfs/inode.c:5753:6: warning: unused variable 'di_total' [-Wunused-variable] u32 di_total; ^ >> fs/btrfs/inode.c:5752:6: warning: unused variable 'di_cur' [-Wunused-variable] u32 di_cur; ^ vim +/di_len +5754 fs/btrfs/inode.c 16cdcec7 Miao Xie 2011-04-22 5746 struct list_head del_list; 39279cc3 Chris Mason 2007-06-12 5747 int ret; 5f39d397 Chris Mason 2007-10-15 5748 struct extent_buffer *leaf; 39279cc3 Chris Mason 2007-06-12 5749 int slot; 39279cc3 Chris Mason 2007-06-12 5750 unsigned char d_type; 39279cc3 Chris Mason 2007-06-12 5751 int over = 0; 39279cc3 Chris Mason 2007-06-12 @5752 u32 di_cur; 39279cc3 Chris Mason 2007-06-12 @5753 u32 di_total; 39279cc3 Chris Mason 2007-06-12 @5754 u32 di_len; 5f39d397 Chris Mason 2007-10-15 5755 char tmp_name[32]; 5f39d397 Chris Mason 2007-10-15 5756 char *name_ptr; 5f39d397 Chris Mason 2007-10-15 5757 int name_len; :::::: The code at line 5754 was first introduced by commit :::::: 39279cc3d2704cfbf9c35dcb5bdd392159ae4625 Btrfs: split up super.c :::::: TO: Chris Mason <chris.mason@xxxxxxxxxx> :::::: CC: David Woodhouse <dwmw2@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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