[PATCH 2/2] ext4: Make ext4_ext_find_extent fills ext_path completely

[Shen Feng <shen@cn.fujitsu.com>]

When pos=0 or depth, the fields of ext4_ext_path is not
completely filled.
This patch also removes some unnecessary code.

Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
---
 fs/ext4/extents.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d4f76d7..ff609df 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -524,6 +524,7 @@ ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
 		alloc = 1;
 	}
 	path[0].p_hdr = eh;
+	path[0].p_bh = NULL;
 
 	i = depth;
 	/* walk through the tree */
@@ -552,12 +553,11 @@ ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
 	}
 
 	path[ppos].p_depth = i;
-	path[ppos].p_hdr = eh;
-	path[ppos].p_ext = NULL;
 	path[ppos].p_idx = NULL;
 
 	/* find extent */
 	ext4_ext_binsearch(inode, path + ppos, block);
+	path[ppos].p_block = ext4_ext_pblock(path[ppos].p_ext);
 
 	ext4_ext_show_path(inode, path);
 
-- 
1.5.4.5