diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 74 |
1 files changed, 4 insertions, 70 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index a942a242..d1c6f02 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -426,77 +426,11 @@ struct btrfs_root { offsetof(type, member), \ sizeof(((type *)0)->member))) +#ifndef BTRFS_SETGET_FUNCS #define BTRFS_SETGET_FUNCS(name, type, member, bits) \ -static inline u##bits btrfs_##name(struct extent_buffer *eb, \ - type *s) \ -{ \ - int err; \ - char *map_token; \ - char *kaddr; \ - int unmap_on_exit = (eb->map_token == NULL); \ - unsigned long map_start; \ - unsigned long map_len; \ - unsigned long offset = (unsigned long)s + \ - offsetof(type, member); \ - if (eb->map_token && offset >= eb->map_start && \ - offset + sizeof(((type *)0)->member) <= eb->map_start + \ - eb->map_len) { \ - kaddr = eb->kaddr; \ - map_start = eb->map_start; \ - err = 0; \ - } else { \ - err = map_extent_buffer(eb, offset, \ - sizeof(((type *)0)->member), \ - &map_token, &kaddr, \ - &map_start, &map_len, KM_USER1); \ - } \ - if (!err) { \ - __le##bits *tmp = (__le##bits *)(kaddr + offset - \ - map_start); \ - u##bits res = le##bits##_to_cpu(*tmp); \ - if (unmap_on_exit) \ - unmap_extent_buffer(eb, map_token, KM_USER1); \ - return res; \ - } else { \ - __le##bits res; \ - read_eb_member(eb, s, type, member, &res); \ - return le##bits##_to_cpu(res); \ - } \ -} \ -static inline void btrfs_set_##name(struct extent_buffer *eb, \ - type *s, u##bits val) \ -{ \ - int err; \ - char *map_token; \ - char *kaddr; \ - unsigned long map_start; \ - unsigned long map_len; \ - int unmap_on_exit = (eb->map_token == NULL); \ - unsigned long offset = (unsigned long)s + \ - offsetof(type, member); \ - if (eb->map_token && offset >= eb->map_start && \ - offset + sizeof(((type *)0)->member) <= eb->map_start + \ - eb->map_len) { \ - kaddr = eb->kaddr; \ - map_start = eb->map_start; \ - err = 0; \ - } else { \ - err = map_extent_buffer(eb, offset, \ - sizeof(((type *)0)->member), \ - &map_token, &kaddr, \ - &map_start, &map_len, KM_USER1); \ - } \ - if (!err) { \ - __le##bits *tmp = (__le##bits *)(kaddr + offset - \ - map_start); \ - *tmp = cpu_to_le##bits(val); \ - if (unmap_on_exit) \ - unmap_extent_buffer(eb, map_token, KM_USER1); \ - } else { \ - val = cpu_to_le##bits(val); \ - write_eb_member(eb, s, type, member, &val); \ - } \ -} +u##bits btrfs_##name(struct extent_buffer *eb, type *s); \ +void btrfs_set_##name(struct extent_buffer *eb, type *s, u##bits val); +#endif #define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits) \ static inline u##bits btrfs_##name(struct extent_buffer *eb) \ |