From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Fix some small discrepancies between the current libxfs code and this doc.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
design/XFS_Filesystem_Structure/btrees.asciidoc | 2 +-
design/XFS_Filesystem_Structure/dabtrees.asciidoc | 8 ++++++--
.../extended_attributes.asciidoc | 1 +
.../internal_inodes.asciidoc | 2 +-
4 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/design/XFS_Filesystem_Structure/btrees.asciidoc b/design/XFS_Filesystem_Structure/btrees.asciidoc
index 91a53c4..19680d0 100644
--- a/design/XFS_Filesystem_Structure/btrees.asciidoc
+++ b/design/XFS_Filesystem_Structure/btrees.asciidoc
@@ -104,7 +104,7 @@ Specifies the magic number for the per-AG B+tree block.
*bb_level*::
The level of the tree in which this block is found. If this value is 0, this
is a leaf block and contains records; otherwise, it is a node block and
-contains keys and pointers.
+contains keys and pointers. Level values increase towards the root.
*bb_numrecs*::
Number of records in this block.
diff --git a/design/XFS_Filesystem_Structure/dabtrees.asciidoc b/design/XFS_Filesystem_Structure/dabtrees.asciidoc
index 18247ca..29cfdab 100644
--- a/design/XFS_Filesystem_Structure/dabtrees.asciidoc
+++ b/design/XFS_Filesystem_Structure/dabtrees.asciidoc
@@ -170,7 +170,9 @@ Directory/attribute block info. The magic number is +XFS_DA_NODE_MAGIC+
Number of node entries in this block.
*level*::
-The level of this block in the B+tree.
+The level of this block in the B+tree. Levels start at 1 for blocks
+that point to directory or attribute data blocks and increase towards
+the root.
*hashval*::
The hash value of a particular record.
@@ -206,7 +208,9 @@ Directory/attribute block info. The magic number is +XFS_DA3_NODE_MAGIC+
Number of node entries in this block.
*level*::
-The level of this block in the B+tree.
+The level of this block in the B+tree. Levels start at 1 for blocks
+that point to directory or attribute data blocks, and increase towards
+the root.
*pad32*::
Padding to maintain alignment.
diff --git a/design/XFS_Filesystem_Structure/extended_attributes.asciidoc b/design/XFS_Filesystem_Structure/extended_attributes.asciidoc
index bb773d5..7df2d3d 100644
--- a/design/XFS_Filesystem_Structure/extended_attributes.asciidoc
+++ b/design/XFS_Filesystem_Structure/extended_attributes.asciidoc
@@ -473,6 +473,7 @@ typedef struct xfs_attr3_leaf_hdr {
__u8 holes;
__u8 pad1;
xfs_attr_leaf_map_t freemap[3];
+ __be32 pad2;
} xfs_attr3_leaf_hdr_t;
diff --git a/design/XFS_Filesystem_Structure/internal_inodes.asciidoc b/design/XFS_Filesystem_Structure/internal_inodes.asciidoc
index e6bf75f..f5c2654 100644
--- a/design/XFS_Filesystem_Structure/internal_inodes.asciidoc
+++ b/design/XFS_Filesystem_Structure/internal_inodes.asciidoc
@@ -59,7 +59,7 @@ struct xfs_disk_dquot {
};
struct xfs_dqblk {
struct xfs_disk_dquot dd_diskdq;
- char dd_fill[32];
+ char dd_fill[4];
/* version 5 filesystem fields begin here */
__be32 dd_crc;
--
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