btrfs: remove unused hardirq.h

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 <yang.s@alibaba-inc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Yang Shi 2017-11-18 07:02:16 +08:00 committed by David Sterba
parent 9a3daff320
commit 86d750a48a
1 changed files with 0 additions and 1 deletions

View File

@ -2,7 +2,6 @@
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/hardirq.h>
#include "ctree.h"
#include "extent_map.h"
#include "compression.h"