summaryrefslogtreecommitdiff
path: root/fs/nilfs2/bmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nilfs2/bmap.h')
-rw-r--r--fs/nilfs2/bmap.h16
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 @@
#define NILFS_BMAP_INVALID_PTR 0
-#define nilfs_bmap_dkey_to_key(dkey) le64_to_cpu(dkey)
-#define nilfs_bmap_key_to_dkey(key) cpu_to_le64(key)
-#define nilfs_bmap_dptr_to_ptr(dptr) le64_to_cpu(dptr)
-#define nilfs_bmap_ptr_to_dptr(ptr) cpu_to_le64(ptr)
-
#define nilfs_bmap_keydiff_abs(diff) ((diff) < 0 ? -(diff) : (diff))
@@ -71,7 +66,7 @@ struct nilfs_bmap_operations {
int (*bop_delete)(struct nilfs_bmap *, __u64);
void (*bop_clear)(struct nilfs_bmap *);
- int (*bop_propagate)(const struct nilfs_bmap *, struct buffer_head *);
+ int (*bop_propagate)(struct nilfs_bmap *, struct buffer_head *);
void (*bop_lookup_dirty_buffers)(struct nilfs_bmap *,
struct list_head *);
@@ -110,6 +105,7 @@ static inline int nilfs_bmap_is_new_ptr(unsigned long ptr)
* @b_last_allocated_ptr: last allocated ptr for data block
* @b_ptr_type: pointer type
* @b_state: state
+ * @b_nchildren_per_block: maximum number of child nodes for non-root nodes
*/
struct nilfs_bmap {
union {
@@ -123,6 +119,7 @@ struct nilfs_bmap {
__u64 b_last_allocated_ptr;
int b_ptr_type;
int b_state;
+ __u16 b_nchildren_per_block;
};
/* pointer type */
@@ -224,6 +221,13 @@ static inline void nilfs_bmap_abort_end_ptr(struct nilfs_bmap *bmap,
nilfs_dat_abort_end(dat, &req->bpr_req);
}
+static inline void nilfs_bmap_set_target_v(struct nilfs_bmap *bmap, __u64 key,
+ __u64 ptr)
+{
+ bmap->b_last_allocated_key = key;
+ bmap->b_last_allocated_ptr = ptr;
+}
+
__u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *,
const struct buffer_head *);