[xfs-linux:xfs-4.15-merge 24/76] fs//xfs/xfs_buf.c:2136: warning: unused variable 'mp'

kbuild test robot <fengguang.wu@xxxxxxxxx> · Fri, 27 Oct 2017 15:27:30 +0800

tree:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git xfs-4.15-merge
head:   9c92ee208b1faa0ef2cc899b85fd0607b6fac7fe
commit: 7561d27e90fa0df0aac2a1d6b49c2a28eaae7026 [24/76] xfs: buffer lru reference count error injection tag
config: x86_64-randconfig-a0-10271430 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout 7561d27e90fa0df0aac2a1d6b49c2a28eaae7026
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   fs//xfs/xfs_buf.c: In function 'xfs_buf_set_ref':
>> fs//xfs/xfs_buf.c:2136: warning: unused variable 'mp'

vim +/mp +2136 fs//xfs/xfs_buf.c

  2133	
  2134	void xfs_buf_set_ref(struct xfs_buf *bp, int lru_ref)
  2135	{
> 2136		struct xfs_mount	*mp = bp->b_target->bt_mount;

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