[Ocfs2-devel] [PATCH] ocfs2: clean dead code up in alloc.c

From: Changwei Ge <ge.changwei@h3c.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH] ocfs2: clean dead code up in alloc.c
Date: Tue, 16 Jan 2018 20:17:49 +0800	[thread overview]
Message-ID: <1516105069-12643-1-git-send-email-ge.changwei@h3c.com> (raw)

Some stack variables are no longer used but still assigned.
Trim them.

Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
---
 fs/ocfs2/alloc.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index addd7c5..edef99c 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -2598,11 +2598,8 @@ static void ocfs2_unlink_subtree(handle_t *handle,
 	int i;
 	struct buffer_head *root_bh = left_path->p_node[subtree_index].bh;
 	struct ocfs2_extent_list *root_el = left_path->p_node[subtree_index].el;
-	struct ocfs2_extent_list *el;
 	struct ocfs2_extent_block *eb;
 
-	el = path_leaf_el(left_path);
-
 	eb = (struct ocfs2_extent_block *)right_path->p_node[subtree_index + 1].bh->b_data;
 
 	for(i = 1; i < le16_to_cpu(root_el->l_next_free_rec); i++)
@@ -3940,7 +3937,7 @@ static void ocfs2_adjust_rightmost_records(handle_t *handle,
 					   struct ocfs2_path *path,
 					   struct ocfs2_extent_rec *insert_rec)
 {
-	int ret, i, next_free;
+	int i, next_free;
 	struct buffer_head *bh;
 	struct ocfs2_extent_list *el;
 	struct ocfs2_extent_rec *rec;
@@ -3957,7 +3954,6 @@ static void ocfs2_adjust_rightmost_records(handle_t *handle,
 			ocfs2_error(ocfs2_metadata_cache_get_super(et->et_ci),
 				    "Owner %llu has a bad extent list\n",
 				    (unsigned long long)ocfs2_metadata_cache_owner(et->et_ci));
-			ret = -EIO;
 			return;
 		}
 
@@ -5059,7 +5055,6 @@ int ocfs2_split_extent(handle_t *handle,
 	struct buffer_head *last_eb_bh = NULL;
 	struct ocfs2_extent_rec *rec = &el->l_recs[split_index];
 	struct ocfs2_merge_ctxt ctxt;
-	struct ocfs2_extent_list *rightmost_el;
 
 	if (le32_to_cpu(rec->e_cpos) > le32_to_cpu(split_rec->e_cpos) ||
 	    ((le32_to_cpu(rec->e_cpos) + le16_to_cpu(rec->e_leaf_clusters)) <
@@ -5095,9 +5090,7 @@ int ocfs2_split_extent(handle_t *handle,
 		}
 
 		eb = (struct ocfs2_extent_block *) last_eb_bh->b_data;
-		rightmost_el = &eb->h_list;
-	} else
-		rightmost_el = path_root_el(path);
+	}
 
 	if (rec->e_cpos == split_rec->e_cpos &&
 	    rec->e_leaf_clusters == split_rec->e_leaf_clusters)
-- 
2.7.4
