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authorTao Ma <tao.ma@oracle.com>2008-08-18 11:38:49 +0200
committerMark Fasheh <mfasheh@suse.com>2008-10-14 01:57:02 +0200
commitba492615f0d32d0210b02c14b24512b4372b13d6 (patch)
tree65275171ba8543a497037c5a159701a06277af4b /fs/ocfs2/alloc.h
parentocfs2: Add extended attribute support (diff)
downloadlinux-ba492615f0d32d0210b02c14b24512b4372b13d6.tar.xz
linux-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.h10
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,