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ext4: Make ext4_ext_find_extent fills ext_path completely

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

Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Shen Feng 2008-07-11 19:27:31 -04:00 committed by Theodore Ts'o
parent 787e0981fa
commit 1973adcba5
1 changed files with 4 additions and 1 deletions
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5
fs/ext4/extents.c
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@ -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 +553,14 @@ 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);
/* if not an empty leaf */
if (path[ppos].p_ext)
path[ppos].p_block = ext_pblock(path[ppos].p_ext);
ext4_ext_show_path(inode, path);