Yusuf Goolamabbas wrote: > > man chattr mentions the following [on RH 7.2] > > A file with the `i' attribute cannot be modified: it cannot be deleted > or renamed, no link can be created to this file and no data can be > written to the file. Only the superuser can set or clear this attribute > > The .journal file has the following properties > > ---i-d------- ../.journal > > As such, I am confused as to how data to the journal can be written, > does ext3 internal clear/reset the immutable flag before all writes to > the journal The filesystem accesses the journal fail at a way, way lower level than the immutable checks. It just uses the journal file as an offset->block mapping and talks direct to the block layer.