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Commit c97c2916 authored by Li Zefan's avatar Li Zefan Committed by Chris Mason
Browse files

Btrfs: use plain page_address() in header fields setget functions 



We've stopped using highmem for extent buffers.

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent cb1b69f4

fs/btrfs/ctree.h

+2 −4
Original line number Diff line number Diff line
@@ -1415,17 +1415,15 @@ void btrfs_set_##name(struct extent_buffer *eb, type *s, u##bits val); 
#define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)		\

static inline u##bits btrfs_##name(struct extent_buffer *eb)		\

{									\

	type *p = kmap_atomic(eb->first_page, KM_USER0);		\

	type *p = page_address(eb->first_page);				\

	u##bits res = le##bits##_to_cpu(p->member);			\

	kunmap_atomic(p, KM_USER0);					\

	return res;							\

}									\

static inline void btrfs_set_##name(struct extent_buffer *eb,		\

				    u##bits val)			\

{									\

	type *p = kmap_atomic(eb->first_page, KM_USER0);		\

	type *p = page_address(eb->first_page);				\

	p->member = cpu_to_le##bits(val);				\

	kunmap_atomic(p, KM_USER0);					\

}



#define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)		\