diff options
Diffstat (limited to 'fs/nilfs2/bmap.h')
-rw-r--r-- | fs/nilfs2/bmap.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/nilfs2/bmap.h b/fs/nilfs2/bmap.h index 9980d7dbab91..a20569b19929 100644 --- a/fs/nilfs2/bmap.h +++ b/fs/nilfs2/bmap.h | |||
@@ -32,11 +32,6 @@ | |||
32 | 32 | ||
33 | #define NILFS_BMAP_INVALID_PTR 0 | 33 | #define NILFS_BMAP_INVALID_PTR 0 |
34 | 34 | ||
35 | #define nilfs_bmap_dkey_to_key(dkey) le64_to_cpu(dkey) | ||
36 | #define nilfs_bmap_key_to_dkey(key) cpu_to_le64(key) | ||
37 | #define nilfs_bmap_dptr_to_ptr(dptr) le64_to_cpu(dptr) | ||
38 | #define nilfs_bmap_ptr_to_dptr(ptr) cpu_to_le64(ptr) | ||
39 | |||
40 | #define nilfs_bmap_keydiff_abs(diff) ((diff) < 0 ? -(diff) : (diff)) | 35 | #define nilfs_bmap_keydiff_abs(diff) ((diff) < 0 ? -(diff) : (diff)) |
41 | 36 | ||
42 | 37 | ||
@@ -71,7 +66,7 @@ struct nilfs_bmap_operations { | |||
71 | int (*bop_delete)(struct nilfs_bmap *, __u64); | 66 | int (*bop_delete)(struct nilfs_bmap *, __u64); |
72 | void (*bop_clear)(struct nilfs_bmap *); | 67 | void (*bop_clear)(struct nilfs_bmap *); |
73 | 68 | ||
74 | int (*bop_propagate)(const struct nilfs_bmap *, struct buffer_head *); | 69 | int (*bop_propagate)(struct nilfs_bmap *, struct buffer_head *); |
75 | void (*bop_lookup_dirty_buffers)(struct nilfs_bmap *, | 70 | void (*bop_lookup_dirty_buffers)(struct nilfs_bmap *, |
76 | struct list_head *); | 71 | struct list_head *); |
77 | 72 | ||
@@ -110,6 +105,7 @@ static inline int nilfs_bmap_is_new_ptr(unsigned long ptr) | |||
110 | * @b_last_allocated_ptr: last allocated ptr for data block | 105 | * @b_last_allocated_ptr: last allocated ptr for data block |
111 | * @b_ptr_type: pointer type | 106 | * @b_ptr_type: pointer type |
112 | * @b_state: state | 107 | * @b_state: state |
108 | * @b_nchildren_per_block: maximum number of child nodes for non-root nodes | ||
113 | */ | 109 | */ |
114 | struct nilfs_bmap { | 110 | struct nilfs_bmap { |
115 | union { | 111 | union { |
@@ -123,6 +119,7 @@ struct nilfs_bmap { | |||
123 | __u64 b_last_allocated_ptr; | 119 | __u64 b_last_allocated_ptr; |
124 | int b_ptr_type; | 120 | int b_ptr_type; |
125 | int b_state; | 121 | int b_state; |
122 | __u16 b_nchildren_per_block; | ||
126 | }; | 123 | }; |
127 | 124 | ||
128 | /* pointer type */ | 125 | /* pointer type */ |
@@ -224,6 +221,13 @@ static inline void nilfs_bmap_abort_end_ptr(struct nilfs_bmap *bmap, | |||
224 | nilfs_dat_abort_end(dat, &req->bpr_req); | 221 | nilfs_dat_abort_end(dat, &req->bpr_req); |
225 | } | 222 | } |
226 | 223 | ||
224 | static inline void nilfs_bmap_set_target_v(struct nilfs_bmap *bmap, __u64 key, | ||
225 | __u64 ptr) | ||
226 | { | ||
227 | bmap->b_last_allocated_key = key; | ||
228 | bmap->b_last_allocated_ptr = ptr; | ||
229 | } | ||
230 | |||
227 | __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *, | 231 | __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *, |
228 | const struct buffer_head *); | 232 | const struct buffer_head *); |
229 | 233 | ||