Re: [PATCH 3/8] fs: btrfs: remove unused hardirq.h

On Sat, Nov 18, 2017 at 07:02:16AM +0800, Yang Shi wrote:

Preempt counter APIs have been split out, currently, hardirq.h just
includes irq_enter/exit APIs which are not used by btrfs at all.

So, remove the unused hardirq.h.

Signed-off-by: Yang Shi <redacted>
Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <redacted>
Cc: David Sterba <dsterba@suse.com>
Cc: linux-btrfs@vger.kernel.org

Acked-by: David Sterba <dsterba@suse.com>

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