From: YueHaibing <yuehaibing@xxxxxxxxxx> Subject: ocfs2: remove set but not used variable 'rb' Fixes gcc '-Wunused-but-set-variable' warning: fs/ocfs2/refcounttree.c: In function 'ocfs2_create_reflink_node': fs/ocfs2/refcounttree.c:4138:31: warning: variable 'rb' set but not used [-Wunused-but-set-variable] Link: http://lkml.kernel.org/r/1536198443-113047-1-git-send-email-yuehaibing@xxxxxxxxxx Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Mark Fasheh <mark@xxxxxxxxxx> Cc: Joel Becker <jlbec@xxxxxxxxxxxx> Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx> Cc: Joseph Qi <jiangqi903@xxxxxxxxx> Cc: Changwei Ge <ge.changwei@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/ocfs2/refcounttree.c | 2 -- 1 file changed, 2 deletions(-) --- a/fs/ocfs2/refcounttree.c~ocfs2-remove-set-but-not-used-variable-rb +++ a/fs/ocfs2/refcounttree.c @@ -4135,7 +4135,6 @@ static int ocfs2_create_reflink_node(str struct buffer_head *ref_root_bh = NULL; struct ocfs2_cached_dealloc_ctxt dealloc; struct ocfs2_super *osb = OCFS2_SB(s_inode->i_sb); - struct ocfs2_refcount_block *rb; struct ocfs2_dinode *di = (struct ocfs2_dinode *)s_bh->b_data; struct ocfs2_refcount_tree *ref_tree; @@ -4162,7 +4161,6 @@ static int ocfs2_create_reflink_node(str mlog_errno(ret); goto out; } - rb = (struct ocfs2_refcount_block *)ref_root_bh->b_data; ret = ocfs2_duplicate_extent_list(s_inode, t_inode, t_bh, &ref_tree->rf_ci, ref_root_bh, _
