On 2015-03-06 13:31, Lennart Poettering wrote: > On Thu, 05.03.15 21:39, Goffredo Baroncelli (kreij...@libero.it) wrote: > >> >> Hi All, >> the enclosed patches add an option to the journald.conf file to allow >> a COW behavior for the journal files. >> [...] > > I am pretty strongly against adding an explicit option for this. I > consider this all a temporary stopgap, until btrfs's autodefrag makes > the problem go away, and I am very conservative with adding new config > options where it is already clear that they will eventually be > useless. > > What I'd be open to is: > > a) beef up the tmpfiles logic to be able to do the equivalent of > /usr/bin/chattr on files. (By adding a new line type, make "h" or > so). > > b) remove all code that sets NOCOW explicitly on journal files from > journald. > > c) instead ship a tmpfiles snippet making use of a) that sets the > NOCOW flag for /var/lib/journal, which results in the flag being > inherited by journal files that are created within it. > > If people then want to opt-out of NOCOW, they can simply override the > tmpfiles snippet and all is good. That way we have a way to configure > the bit, without actually introducing a high-level config option for > this.
This seems reasonable; I will work on a proposal like this one. > > Lennart > -- gpg @keyserver.linux.it: Goffredo Baroncelli <kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5 _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
