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| author | Tao Ma <tao.ma@oracle.com> | 2008-08-18 17:38:49 +0800 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-13 16:57:02 -0700 |
| commit | ba492615f0d32d0210b02c14b24512b4372b13d6 (patch) | |
| tree | 65275171ba8543a497037c5a159701a06277af4b /fs/ocfs2/alloc.h | |
| parent | cf1d6c763fbcb115263114302485ad17e7933d87 (diff) | |
| download | lwn-ba492615f0d32d0210b02c14b24512b4372b13d6.tar.gz lwn-ba492615f0d32d0210b02c14b24512b4372b13d6.zip | |
ocfs2: Add xattr index tree operations
When necessary, an ocfs2_xattr_block will embed an ocfs2_extent_list to
store large numbers of EAs. This patch adds a new type in
ocfs2_extent_tree_type and adds the implementation so that we can re-use the
b-tree code to handle the storage of many EAs.
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/alloc.h')
| -rw-r--r-- | fs/ocfs2/alloc.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index ec7baeb2ea7d..cd4e12d2b6b9 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -29,6 +29,7 @@ enum ocfs2_extent_tree_type { OCFS2_DINODE_EXTENT = 0, OCFS2_XATTR_VALUE_EXTENT, + OCFS2_XATTR_TREE_EXTENT, }; struct ocfs2_alloc_context; @@ -51,6 +52,15 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, u8 flags, struct ocfs2_alloc_context *meta_ac, void *private); +int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac); enum ocfs2_alloc_restarted { RESTART_NONE = 0, RESTART_TRANS, |