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ocfs2: sparse b-tree support
[powerpc.git]
/
fs
/
ocfs2
/
ocfs2_fs.h
diff --git
a/fs/ocfs2/ocfs2_fs.h
b/fs/ocfs2/ocfs2_fs.h
index
e61e218
..
f010197
100644
(file)
--- a/
fs/ocfs2/ocfs2_fs.h
+++ b/
fs/ocfs2/ocfs2_fs.h
@@
-86,7
+86,8
@@
OCFS2_SB(sb)->s_feature_incompat &= ~(mask)
#define OCFS2_FEATURE_COMPAT_SUPP OCFS2_FEATURE_COMPAT_BACKUP_SB
OCFS2_SB(sb)->s_feature_incompat &= ~(mask)
#define OCFS2_FEATURE_COMPAT_SUPP OCFS2_FEATURE_COMPAT_BACKUP_SB
-#define OCFS2_FEATURE_INCOMPAT_SUPP OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT
+#define OCFS2_FEATURE_INCOMPAT_SUPP (OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT \
+ | OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC)
#define OCFS2_FEATURE_RO_COMPAT_SUPP 0
/*
#define OCFS2_FEATURE_RO_COMPAT_SUPP 0
/*
@@
-311,7
+312,10
@@
struct ocfs2_extent_list {
/*00*/ __le16 l_tree_depth; /* Extent tree depth from this
point. 0 means data extents
hang directly off this
/*00*/ __le16 l_tree_depth; /* Extent tree depth from this
point. 0 means data extents
hang directly off this
- header (a leaf) */
+ header (a leaf)
+ NOTE: The high 8 bits cannot be
+ used - tree_depth is never that big.
+ */
__le16 l_count; /* Number of extent records */
__le16 l_next_free_rec; /* Next unused extent slot */
__le16 l_reserved1;
__le16 l_count; /* Number of extent records */
__le16 l_next_free_rec; /* Next unused extent slot */
__le16 l_reserved1;
@@
-446,7
+450,9
@@
struct ocfs2_dinode {
__le32 i_ctime_nsec;
__le32 i_mtime_nsec;
__le32 i_attr;
__le32 i_ctime_nsec;
__le32 i_mtime_nsec;
__le32 i_attr;
- __le32 i_reserved1;
+ __le16 i_orphaned_slot; /* Only valid when OCFS2_ORPHANED_FL
+ was set in i_flags */
+ __le16 i_reserved1;
/*70*/ __le64 i_reserved2[8];
/*B8*/ union {
__le64 i_pad1; /* Generic way to refer to this
/*70*/ __le64 i_reserved2[8];
/*B8*/ union {
__le64 i_pad1; /* Generic way to refer to this