On Tue, Dec 28, 2010 at 21:53, Aron Xu <happyaron...@gmail.com> wrote: > Package: btrfs-tools > Version: 0.19+20100601-3, 0.19+20101101-1 > Severity: serious > > Balance tree action of btrfs command should be limited to only root > user, because it may cause data corrupt and usually result in an > uninterruptible process which is causing a heavy I/O load (the process > may keep runing for a long time because the action is not a easy deal). > > Run the following command as a non-root user will also start the balance > tree action ( / is btrfs here, with ext4 /boot): > $ btrfs filesystem balance / > > I think this problem will cause serious issues if somebody uses it in > a production system (though it is really not recommended), so I give it > an RC severity. If you think it should be changed, feel free to do it. > > What's more, I'm not sure whether this should be a bug in the Linux kernel, > because such action is actually performed by using system calls. If I > try to make a snapshot in a directory by a user who does not have the > access, it will generate an error like this: > $ pwd > /home > $ whoami > aron > $ btrfs subvolume snapshot . backhome > Create a snapshot of '.' in './backhome' > ERROR: cannot snapshot '.' >
CCing debian-devel. -- Regards, Aron Xu -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/aanlkti=usuug3hnmsh6knhfj5jdfgjyzdfwjdpsqh...@mail.gmail.com