The function ext4_resize_begin() gets called from three different
places, and online resize for bigalloc file systems is disallowed from
the old-style online resize (EXT4_IOC_GROUP_ADD and
EXT4_IOC_GROUP_EXTEND), but it *is* supposed to be allowed via
EXT4_IOC_RESIZE_FS.
This reverts commit
e9f9f61d0cdcb7f0b0b5feb2d84aa1c5894751f3.
if (err)
return err;
+ if (ext4_has_feature_bigalloc(sb)) {
+ ext4_msg(sb, KERN_ERR,
+ "Online resizing not supported with bigalloc");
+ err = -EOPNOTSUPP;
+ goto group_add_out;
+ }
+
err = mnt_want_write_file(file);
if (err)
goto group_add_out;
goto group_extend_out;
}
+ if (ext4_has_feature_bigalloc(sb)) {
+ ext4_msg(sb, KERN_ERR,
+ "Online resizing not supported with bigalloc");
+ err = -EOPNOTSUPP;
+ goto group_extend_out;
+ }
+
err = mnt_want_write_file(filp);
if (err)
goto group_extend_out;
return -EPERM;
}
- if (ext4_has_feature_bigalloc(sb)) {
- ext4_msg(sb, KERN_ERR, "Online resizing not supported with bigalloc");
- return -EOPNOTSUPP;
- }
if (ext4_has_feature_sparse_super2(sb)) {
ext4_msg(sb, KERN_ERR, "Online resizing not supported with sparse_super2");
return -EOPNOTSUPP;