Coly Li 1dfc0686c2
bcache: check unsupported feature sets for bcache register ...
This patch adds the check for features which is incompatible for
current supported feature sets.
Now if the bcache device created by bcache-tools has features that
current kernel doesn't support, read_super() will fail with error
messoage. E.g. if an unsupported incompatible feature detected,
bcache register will fail with dmesg "bcache: register_bcache() error :
Unsupported incompatible feature found".
Fixes: d721a43ff6ffa4703275colyli@suse.de >
Cc: stable@vger.kernel.org # 5.9+
Signed-off-by: Jens Axboe <axboe@kernel.dk >
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1dfc0686c2