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| author | Shen Feng | 2008-07-12 01:27:31 +0200 |
|---|---|---|
| committer | Theodore Ts'o | 2008-07-12 01:27:31 +0200 |
| commit | 1973adcba570c226de840299056e055a3614185e (patch) | |
| tree | 393b70bd62ed89eb0c558312e1153ae133f44bde /fs/ext4/extents.c | |
| parent | ext4: return error when calling ext4_ext_split failed (diff) | |
| download | kernel-qcow2-linux-1973adcba570c226de840299056e055a3614185e.tar.gz kernel-qcow2-linux-1973adcba570c226de840299056e055a3614185e.tar.xz kernel-qcow2-linux-1973adcba570c226de840299056e055a3614185e.zip | |
ext4: Make ext4_ext_find_extent fills ext_path completely
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>
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index bc17ed742845..3e966daaadee 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 +553,14 @@ 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); |