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 <yan...@alibaba-inc.com> Cc: Chris Mason <c...@fb.com> Cc: Josef Bacik <jba...@fb.com> Cc: David Sterba <dste...@suse.com> Cc: linux-bt...@vger.kernel.org --- fs/btrfs/extent_map.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 2e348fb..cced7f1 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -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" -- 1.8.3.1
