Re: RFC: du reports a 1.2PB file on a 1TB btrfs disk

2020-03-10 Thread Jim Meyering
On Tue, Mar 10, 2020 at 12:24 PM Kaz Kylheku (Coreutils) <962-396-1...@kylheku.com> wrote: > On 2020-03-10 11:52, Jim Meyering wrote: > > Otherwise, du provides no way of seeing how much of the actual disk > > space is being used by such FS-compressed files. > > If you stat the file, what are the v

Re: RFC: du reports a 1.2PB file on a 1TB btrfs disk

2020-03-10 Thread Kaz Kylheku (Coreutils)
On 2020-03-10 11:52, Jim Meyering wrote: Otherwise, du provides no way of seeing how much of the actual disk space is being used by such FS-compressed files. If you stat the file, what are the values of st_size, st_blksize and st_blocks?

RFC: du reports a 1.2PB file on a 1TB btrfs disk

2020-03-10 Thread Jim Meyering
[note: this was not a sparse file and I wasn't using --apparent-size] On a 1TB local btrfs file system, I found a log file for which du reported a size of 1.2 petabytes. Quite surprising for a moment, then I remembered btrfs's "compression". Should we teach du to report compressed size? Via a new