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| author | Li Zefan <lizf@cn.fujitsu.com> | 2011-08-03 10:11:41 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-08-17 03:09:15 +0200 |
| commit | c97c2916e25c56e878e3e94efd449e2d688fcb31 (patch) | |
| tree | a535a06a0717816007d1c9efcbddd7dfbc494a34 /fs | |
| parent | Btrfs: forced readonly when btrfs_drop_snapshot() fails (diff) | |
| download | linux-c97c2916e25c56e878e3e94efd449e2d688fcb31.tar.xz linux-c97c2916e25c56e878e3e94efd449e2d688fcb31.zip | |
Btrfs: use plain page_address() in header fields setget functions
We've stopped using highmem for extent buffers.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/ctree.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 884293642a6c..8b99c79ad1a7 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -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) \ |