diff options
| author | Joel Becker <joel.becker@oracle.com> | 2008-08-20 17:19:50 -0700 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-13 16:57:04 -0700 |
| commit | 0ce1010f1a4319e02574b856d50dfdc0ed855f40 (patch) | |
| tree | 6d65e00caa9c4c5310fd4f51a07678d46803adfd /fs/ocfs2/alloc.c | |
| parent | ea5efa151265a743f48e3d371992a0100d73a0eb (diff) | |
ocfs2: Provide the get_root_el() method to ocfs2_extent_tree_operations.
The root_el of an ocfs2_extent_tree needs to be calculated from
et->et_object. Make it an operation on et->et_ops.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/alloc.c')
| -rw-r--r-- | fs/ocfs2/alloc.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 4cefcb6a47a..fe2ddbb81f7 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -72,6 +72,10 @@ struct ocfs2_extent_tree_operations { struct ocfs2_extent_tree *et, u32 new_clusters); int (*eo_sanity_check)(struct inode *inode, struct ocfs2_extent_tree *et); + + /* These are internal to ocfs2_extent_tree and don't have + * accessor functions */ + void (*eo_fill_root_el)(struct ocfs2_extent_tree *et); }; struct ocfs2_extent_tree { @@ -83,6 +87,13 @@ struct ocfs2_extent_tree { unsigned int et_max_leaf_clusters; }; +static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_dinode *di = et->et_object; + + et->et_root_el = &di->id2.i_list; +} + static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -136,8 +147,16 @@ static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, .eo_update_clusters = ocfs2_dinode_update_clusters, .eo_sanity_check = ocfs2_dinode_sanity_check, + .eo_fill_root_el = ocfs2_dinode_fill_root_el, }; +static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_xattr_value_root *xv = et->et_object; + + et->et_root_el = &xv->xr_list; +} + static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -176,8 +195,16 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { .eo_get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_value_update_clusters, .eo_sanity_check = ocfs2_xattr_value_sanity_check, + .eo_fill_root_el = ocfs2_xattr_value_fill_root_el, }; +static void ocfs2_xattr_tree_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_xattr_block *xb = et->et_object; + + et->et_root_el = &xb->xb_attrs.xb_root.xt_list; +} + static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -215,6 +242,7 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_get_last_eb_blk = ocfs2_xattr_tree_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_tree_update_clusters, .eo_sanity_check = ocfs2_xattr_tree_sanity_check, + .eo_fill_root_el = ocfs2_xattr_tree_fill_root_el, }; static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, @@ -232,22 +260,16 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_object = obj; if (et_type == OCFS2_DINODE_EXTENT) { - et->et_root_el = - &((struct ocfs2_dinode *)obj)->id2.i_list; et->et_ops = &ocfs2_dinode_et_ops; } else if (et_type == OCFS2_XATTR_VALUE_EXTENT) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)obj; - et->et_root_el = &xv->xr_list; et->et_ops = &ocfs2_xattr_et_ops; } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)obj; - et->et_root_el = &xb->xb_attrs.xb_root.xt_list; et->et_ops = &ocfs2_xattr_tree_et_ops; et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, OCFS2_MAX_XATTR_TREE_LEAF_SIZE); } + + et->et_ops->eo_fill_root_el(et); } static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) |