@@ -3275,7 +3275,10 @@ static int ext4_split_extent_at(handle_t
ext4_ext_mark_unwritten(ex2);
err = ext4_ext_insert_extent(handle, inode, ppath, &newex, flags);
- if (err == -ENOSPC && (EXT4_EXT_MAY_ZEROOUT & split_flag)) {
+ if (err != -ENOSPC && err != -EDQUOT)
+ goto out;
+
+ if (EXT4_EXT_MAY_ZEROOUT & split_flag) {
if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) {
if (split_flag & EXT4_EXT_DATA_VALID1) {
err = ext4_ext_zeroout(inode, ex2);
@@ -3301,30 +3304,30 @@ static int ext4_split_extent_at(handle_t
ext4_ext_pblock(&orig_ex));
}
- if (err)
- goto fix_extent_len;
- /* update the extent length and mark as initialized */
- ex->ee_len = cpu_to_le16(ee_len);
- ext4_ext_try_to_merge(handle, inode, path, ex);
- err = ext4_ext_dirty(handle, inode, path + path->p_depth);
- if (err)
- goto fix_extent_len;
-
- /* update extent status tree */
- err = ext4_zeroout_es(inode, &zero_ex);
-
- goto out;
- } else if (err)
- goto fix_extent_len;
-
-out:
- ext4_ext_show_leaf(inode, path);
- return err;
+ if (!err) {
+ /* update the extent length and mark as initialized */
+ ex->ee_len = cpu_to_le16(ee_len);
+ ext4_ext_try_to_merge(handle, inode, path, ex);
+ err = ext4_ext_dirty(handle, inode, path + path->p_depth);
+ if (!err)
+ /* update extent status tree */
+ err = ext4_zeroout_es(inode, &zero_ex);
+ /* If we failed at this point, we don't know in which
+ * state the extent tree exactly is so don't try to fix
+ * length of the original extent as it may do even more
+ * damage.
+ */
+ goto out;
+ }
+ }
fix_extent_len:
ex->ee_len = orig_ex.ee_len;
ext4_ext_dirty(handle, inode, path + path->p_depth);
return err;
+out:
+ ext4_ext_show_leaf(inode, path);
+ return err;
}
/*