summaryrefslogtreecommitdiff
path: root/fs/ext4/move_extent.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4/move_extent.c')
-rw-r--r--fs/ext4/move_extent.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index d3e61f1be046..b64661ea6e0e 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -17,27 +17,23 @@
* get_ext_path() - Find an extent path for designated logical block number.
* @inode: inode to be searched
* @lblock: logical block number to find an extent path
- * @ppath: pointer to an extent path pointer (for output)
+ * @path: pointer to an extent path
*
- * ext4_find_extent wrapper. Return 0 on success, or a negative error value
- * on failure.
+ * ext4_find_extent wrapper. Return an extent path pointer on success,
+ * or an error pointer on failure.
*/
-static inline int
+static inline struct ext4_ext_path *
get_ext_path(struct inode *inode, ext4_lblk_t lblock,
- struct ext4_ext_path **ppath)
+ struct ext4_ext_path *path)
{
- struct ext4_ext_path *path = *ppath;
-
- *ppath = NULL;
path = ext4_find_extent(inode, lblock, path, EXT4_EX_NOCACHE);
if (IS_ERR(path))
- return PTR_ERR(path);
+ return path;
if (path[ext_depth(inode)].p_ext == NULL) {
ext4_free_ext_path(path);
- return -ENODATA;
+ return ERR_PTR(-ENODATA);
}
- *ppath = path;
- return 0;
+ return path;
}
/**
@@ -95,9 +91,11 @@ mext_check_coverage(struct inode *inode, ext4_lblk_t from, ext4_lblk_t count,
int ret = 0;
ext4_lblk_t last = from + count;
while (from < last) {
- *err = get_ext_path(inode, from, &path);
- if (*err)
- goto out;
+ path = get_ext_path(inode, from, path);
+ if (IS_ERR(path)) {
+ *err = PTR_ERR(path);
+ return ret;
+ }
ext = path[ext_depth(inode)].p_ext;
if (unwritten != ext4_ext_is_unwritten(ext))
goto out;
@@ -636,9 +634,11 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, __u64 orig_blk,
int offset_in_page;
int unwritten, cur_len;
- ret = get_ext_path(orig_inode, o_start, &path);
- if (ret)
+ path = get_ext_path(orig_inode, o_start, path);
+ if (IS_ERR(path)) {
+ ret = PTR_ERR(path);
goto out;
+ }
ex = path[path->p_depth].p_ext;
cur_blk = le32_to_cpu(ex->ee_block);
cur_len = ext4_ext_get_actual_len(ex);