btrfs: Add quota_override knob into sysfs
This patch adds the read-write attribute quota_override into sysfs. Any process which has CAP_SYS_RESOURCE can set this flag to on, and once it is set to true, processes with CAP_SYS_RESOURCE can exceed the quota. Signed-off-by: NSargun Dhillon <sargun@sargun.me> Reviewed-by: NDavid Sterba <dsterba@suse.com> [ minor changelog edits ] Signed-off-by: NDavid Sterba <dsterba@suse.com>
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