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038401d7ba
Stress btrfs' block group allocation and deallocation while running fstrim in parallel. Part of the goal is also to get data block groups deallocated so that new metadata block groups, using the same physical device space ranges, get allocated while fstrim is running. This caused several issues ranging from invalid memory accesses, kernel crashes, metadata or data corruption, free space cache inconsistencies, free space leaks and memory leaks. Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>