diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/ext4/extents.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c94c7480053e..22828e44a70d 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5306,26 +5306,21 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, depth = path->p_depth; extent = path[depth].p_ext; - if (!extent) { - ext4_ext_drop_refs(path); - kfree(path); - return ret; - } + if (!extent) + goto out; stop_block = le32_to_cpu(extent->ee_block) + ext4_ext_get_actual_len(extent); - ext4_ext_drop_refs(path); - kfree(path); /* Nothing to shift, if hole is at the end of file */ if (start >= stop_block) - return ret; + goto out; /* * Don't start shifting extents until we make sure the hole is big * enough to accomodate the shift. */ - path = ext4_ext_find_extent(inode, start - 1, NULL, 0); + path = ext4_ext_find_extent(inode, start - 1, &path, 0); if (IS_ERR(path)) return PTR_ERR(path); depth = path->p_depth; @@ -5338,8 +5333,6 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, ex_start = 0; ex_end = 0; } - ext4_ext_drop_refs(path); - kfree(path); if ((start == ex_start && shift > ex_start) || (shift > start - ex_end)) @@ -5347,7 +5340,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, /* Its safe to start updating extents */ while (start < stop_block) { - path = ext4_ext_find_extent(inode, start, NULL, 0); + path = ext4_ext_find_extent(inode, start, &path, 0); if (IS_ERR(path)) return PTR_ERR(path); depth = path->p_depth; @@ -5363,19 +5356,17 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, path[depth].p_ext++; } else { start = ext4_ext_next_allocated_block(path); - ext4_ext_drop_refs(path); - kfree(path); continue; } } ret = ext4_ext_shift_path_extents(path, shift, inode, handle, &start); - ext4_ext_drop_refs(path); - kfree(path); if (ret) break; } - +out: + ext4_ext_drop_refs(path); + kfree(path); return ret; } |