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| author | Joel Becker <joel.becker@oracle.com> | 2008-08-21 02:31:10 +0200 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-14 01:57:04 +0200 |
| commit | 943cced39ee45ed2db25efd25eee8ba49cf2dfc4 (patch) | |
| tree | a06ce33db4a9b918c98e38a434e7060b32255e6d /fs | |
| parent | ocfs2: Use struct ocfs2_extent_tree in ocfs2_num_free_extents(). (diff) | |
| download | linux-943cced39ee45ed2db25efd25eee8ba49cf2dfc4.tar.xz linux-943cced39ee45ed2db25efd25eee8ba49cf2dfc4.zip | |
ocfs2: Determine an extent tree's max_leaf_clusters in an et_op.
Provide an optional extent_tree_operation to specify the
max_leaf_clusters of an ocfs2_extent_tree. If not provided, the value
is 0 (unlimited).
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ocfs2/alloc.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index d1aa7249deb2..64f1af4e999e 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -76,6 +76,8 @@ struct ocfs2_extent_tree_operations { /* These are internal to ocfs2_extent_tree and don't have * accessor functions */ void (*eo_fill_root_el)(struct ocfs2_extent_tree *et); + void (*eo_fill_max_leaf_clusters)(struct inode *inode, + struct ocfs2_extent_tree *et); }; struct ocfs2_extent_tree { @@ -205,6 +207,14 @@ static void ocfs2_xattr_tree_fill_root_el(struct ocfs2_extent_tree *et) et->et_root_el = &xb->xb_attrs.xb_root.xt_list; } +static void ocfs2_xattr_tree_fill_max_leaf_clusters(struct inode *inode, + struct ocfs2_extent_tree *et) +{ + et->et_max_leaf_clusters = + ocfs2_clusters_for_bytes(inode->i_sb, + OCFS2_MAX_XATTR_TREE_LEAF_SIZE); +} + static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -243,6 +253,7 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .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, + .eo_fill_max_leaf_clusters = ocfs2_xattr_tree_fill_max_leaf_clusters, }; static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, @@ -254,7 +265,6 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_type = et_type; get_bh(bh); et->et_root_bh = bh; - et->et_max_leaf_clusters = 0; if (!obj) obj = (void *)bh->b_data; et->et_object = obj; @@ -265,11 +275,13 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_ops = &ocfs2_xattr_et_ops; } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { 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); + if (!et->et_ops->eo_fill_max_leaf_clusters) + et->et_max_leaf_clusters = 0; + else + et->et_ops->eo_fill_max_leaf_clusters(inode, et); } static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) |