diff options
Diffstat (limited to 'fs/ext4/move_extent.c')
-rw-r--r-- | fs/ext4/move_extent.c | 34 |
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); |