On Thu, Oct 15, 2020 at 01:03:30PM +0200, Jan Kara wrote: > When we try to use file already used as a quota file again (for the same > or different quota type), strange things can happen. At the very least > lockdep annotations may be wrong but also inode flags may be wrongly set > / reset. When the file is used for two quota types at once we can even > corrupt the file and likely crash the kernel. Catch all these cases by > checking whether passed file is already used as quota file and bail > early in that case. > > This fixes occasional generic/219 failure due to lockdep complaint. > > Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx> > Reported-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx> > Signed-off-by: Jan Kara <jack@xxxxxxx> Replied to the wrong patch previously. Thanks, applied. - Ted
