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path: root/lib/btrfsprogs/btrfsinspect/print_tree.go
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Diffstat (limited to 'lib/btrfsprogs/btrfsinspect/print_tree.go')
-rw-r--r--lib/btrfsprogs/btrfsinspect/print_tree.go56
1 files changed, 29 insertions, 27 deletions
diff --git a/lib/btrfsprogs/btrfsinspect/print_tree.go b/lib/btrfsprogs/btrfsinspect/print_tree.go
index 3807df5..8acf9cc 100644
--- a/lib/btrfsprogs/btrfsinspect/print_tree.go
+++ b/lib/btrfsprogs/btrfsinspect/print_tree.go
@@ -92,6 +92,8 @@ func DumpTrees(ctx context.Context, out io.Writer, fs *btrfs.FS) {
textui.Fprintf(out, "uuid %v\n", superblock.FSUUID)
}
+var nodeHeaderSize = binstruct.StaticSize(btrfstree.NodeHeader{})
+
// printTree mimics btrfs-progs
// kernel-shared/print-tree.c:btrfs_print_tree() and
// kernel-shared/print-tree.c:btrfs_print_leaf()
@@ -100,7 +102,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
handlers := btrfstree.TreeWalkHandler{
Node: func(path btrfstree.TreePath, nodeRef *diskio.Ref[btrfsvol.LogicalAddr, btrfstree.Node]) error {
printHeaderInfo(out, nodeRef.Data)
- itemOffset = nodeRef.Data.Size - uint32(binstruct.StaticSize(btrfstree.NodeHeader{}))
+ itemOffset = nodeRef.Data.Size - uint32(nodeHeaderSize)
return nil
},
PreKeyPointer: func(_ btrfstree.TreePath, item btrfstree.KeyPointer) error {
@@ -121,11 +123,11 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
itemOffset,
itemSize)
switch body := item.Body.(type) {
- case btrfsitem.FreeSpaceHeader:
+ case *btrfsitem.FreeSpaceHeader:
textui.Fprintf(out, "\t\tlocation %v\n", fmtKey(body.Location))
textui.Fprintf(out, "\t\tcache generation %v entries %v bitmaps %v\n",
body.Generation, body.NumEntries, body.NumBitmaps)
- case btrfsitem.Inode:
+ case *btrfsitem.Inode:
textui.Fprintf(out, ""+
"\t\tgeneration %v transid %v size %v nbytes %v\n"+
"\t\tblock group %v mode %o links %v uid %v gid %v rdev %v\n"+
@@ -137,14 +139,14 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
textui.Fprintf(out, "\t\tctime %v\n", fmtTime(body.CTime))
textui.Fprintf(out, "\t\tmtime %v\n", fmtTime(body.MTime))
textui.Fprintf(out, "\t\totime %v\n", fmtTime(body.OTime))
- case btrfsitem.InodeRefs:
- for _, ref := range body {
+ case *btrfsitem.InodeRefs:
+ for _, ref := range body.Refs {
textui.Fprintf(out, "\t\tindex %v namelen %v name: %s\n",
ref.Index, ref.NameLen, ref.Name)
}
// case btrfsitem.INODE_EXTREF_KEY:
// // TODO
- case btrfsitem.DirEntry:
+ case *btrfsitem.DirEntry:
textui.Fprintf(out, "\t\tlocation %v type %v\n",
fmtKey(body.Location), body.Type)
textui.Fprintf(out, "\t\ttransid %v data_len %v name_len %v\n",
@@ -155,7 +157,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
}
// case btrfsitem.DIR_LOG_INDEX_KEY, btrfsitem.DIR_LOG_ITEM_KEY:
// // TODO
- case btrfsitem.Root:
+ case *btrfsitem.Root:
textui.Fprintf(out, "\t\tgeneration %v root_dirid %v bytenr %d byte_limit %v bytes_used %v\n",
body.Generation, body.RootDirID, body.ByteNr, body.ByteLimit, body.BytesUsed)
textui.Fprintf(out, "\t\tlast_snapshot %v flags %v refs %v\n",
@@ -175,7 +177,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
textui.Fprintf(out, "\t\tstime %v\n", fmtTime(body.STime))
textui.Fprintf(out, "\t\trtime %v\n", fmtTime(body.RTime))
}
- case btrfsitem.RootRef:
+ case *btrfsitem.RootRef:
var tag string
switch item.Key.ItemType {
case btrfsitem.ROOT_REF_KEY:
@@ -187,7 +189,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
}
textui.Fprintf(out, "\t\troot %v key dirid %v sequence %v name %s\n",
tag, body.DirID, body.Sequence, body.Name)
- case btrfsitem.Extent:
+ case *btrfsitem.Extent:
textui.Fprintf(out, "\t\trefs %v gen %v flags %v\n",
body.Head.Refs, body.Head.Generation, body.Head.Flags)
if body.Head.Flags.Has(btrfsitem.EXTENT_FLAG_TREE_BLOCK) {
@@ -195,7 +197,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
fmtKey(body.Info.Key), body.Info.Level)
}
printExtentInlineRefs(out, body.Refs)
- case btrfsitem.Metadata:
+ case *btrfsitem.Metadata:
textui.Fprintf(out, "\t\trefs %v gen %v flags %v\n",
body.Head.Refs, body.Head.Generation, body.Head.Flags)
textui.Fprintf(out, "\t\ttree block skinny level %v\n", item.Key.Offset)
@@ -204,7 +206,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
// // TODO
// case btrfsitem.SHARED_DATA_REF_KEY:
// // TODO
- case btrfsitem.ExtentCSum:
+ case *btrfsitem.ExtentCSum:
start := btrfsvol.LogicalAddr(item.Key.Offset)
textui.Fprintf(out, "\t\trange start %d end %d length %d",
start, start.Add(body.Size()), body.Size())
@@ -222,7 +224,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
return nil
})
textui.Fprintf(out, "\n")
- case btrfsitem.FileExtent:
+ case *btrfsitem.FileExtent:
textui.Fprintf(out, "\t\tgeneration %v type %v\n",
body.Generation, body.Type)
switch body.Type {
@@ -249,15 +251,15 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
default:
textui.Fprintf(out, "\t\t(error) unknown file extent type %v", body.Type)
}
- case btrfsitem.BlockGroup:
+ case *btrfsitem.BlockGroup:
textui.Fprintf(out, "\t\tblock group used %v chunk_objectid %v flags %v\n",
body.Used, body.ChunkObjectID, body.Flags)
- case btrfsitem.FreeSpaceInfo:
+ case *btrfsitem.FreeSpaceInfo:
textui.Fprintf(out, "\t\tfree space info extent count %v flags %d\n",
body.ExtentCount, body.Flags)
- case btrfsitem.FreeSpaceBitmap:
+ case *btrfsitem.FreeSpaceBitmap:
textui.Fprintf(out, "\t\tfree space bitmap\n")
- case btrfsitem.Chunk:
+ case *btrfsitem.Chunk:
textui.Fprintf(out, "\t\tlength %d owner %d stripe_len %v type %v\n",
body.Head.Size, body.Head.Owner, body.Head.StripeLen, body.Head.Type)
textui.Fprintf(out, "\t\tio_align %v io_width %v sector_size %v\n",
@@ -270,7 +272,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
textui.Fprintf(out, "\t\t\tdev_uuid %v\n",
stripe.DeviceUUID)
}
- case btrfsitem.Dev:
+ case *btrfsitem.Dev:
textui.Fprintf(out, ""+
"\t\tdevid %d total_bytes %v bytes_used %v\n"+
"\t\tio_align %v io_width %v sector_size %v type %v\n"+
@@ -284,18 +286,18 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
body.SeekSpeed, body.Bandwidth,
body.DevUUID,
body.FSUUID)
- case btrfsitem.DevExtent:
+ case *btrfsitem.DevExtent:
textui.Fprintf(out, ""+
"\t\tdev extent chunk_tree %d\n"+
"\t\tchunk_objectid %v chunk_offset %d length %d\n"+
"\t\tchunk_tree_uuid %v\n",
body.ChunkTree, body.ChunkObjectID, body.ChunkOffset, body.Length,
body.ChunkTreeUUID)
- case btrfsitem.QGroupStatus:
+ case *btrfsitem.QGroupStatus:
textui.Fprintf(out, ""+
"\t\tversion %v generation %v flags %v scan %d\n",
body.Version, body.Generation, body.Flags, body.RescanProgress)
- case btrfsitem.QGroupInfo:
+ case *btrfsitem.QGroupInfo:
textui.Fprintf(out, ""+
"\t\tgeneration %v\n"+
"\t\treferenced %d referenced_compressed %d\n"+
@@ -303,7 +305,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
body.Generation,
body.ReferencedBytes, body.ReferencedBytesCompressed,
body.ExclusiveBytes, body.ExclusiveBytesCompressed)
- case btrfsitem.QGroupLimit:
+ case *btrfsitem.QGroupLimit:
textui.Fprintf(out, ""+
"\t\tflags %x\n"+
"\t\tmax_referenced %d max_exclusive %d\n"+
@@ -311,11 +313,11 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
uint64(body.Flags),
body.MaxReferenced, body.MaxExclusive,
body.RsvReferenced, body.RsvExclusive)
- case btrfsitem.UUIDMap:
+ case *btrfsitem.UUIDMap:
textui.Fprintf(out, "\t\tsubvol_id %d\n", body.ObjID)
// case btrfsitem.STRING_ITEM_KEY:
// // TODO
- case btrfsitem.DevStats:
+ case *btrfsitem.DevStats:
textui.Fprintf(out, "\t\tpersistent item objectid %v offset %v\n",
item.Key.ObjectID.Format(item.Key.ItemType), item.Key.Offset)
switch item.Key.ObjectID {
@@ -332,7 +334,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
}
// case btrfsitem.TEMPORARY_ITEM_KEY:
// // TODO
- case btrfsitem.Empty:
+ case *btrfsitem.Empty:
switch item.Key.ItemType {
case btrfsitem.ORPHAN_ITEM_KEY: // 48
textui.Fprintf(out, "\t\torphan item\n")
@@ -351,7 +353,7 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
default:
textui.Fprintf(out, "\t\t(error) unhandled empty item type: %v\n", item.Key.ItemType)
}
- case btrfsitem.Error:
+ case *btrfsitem.Error:
textui.Fprintf(out, "\t\t(error) error item: %v\n", body.Err)
default:
textui.Fprintf(out, "\t\t(error) unhandled item type: %T\n", body)
@@ -423,10 +425,10 @@ func printExtentInlineRefs(out io.Writer, refs []btrfsitem.ExtentInlineRef) {
default:
textui.Fprintf(out, "\t\t(error) unexpected empty sub-item type: %v\n", ref.Type)
}
- case btrfsitem.ExtentDataRef:
+ case *btrfsitem.ExtentDataRef:
textui.Fprintf(out, "\t\textent data backref root %v objectid %v offset %v count %v\n",
subitem.Root, subitem.ObjectID, subitem.Offset, subitem.Count)
- case btrfsitem.SharedDataRef:
+ case *btrfsitem.SharedDataRef:
textui.Fprintf(out, "\t\tshared data backref parent %v count %v\n",
ref.Offset, subitem.Count)
default:
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-06 02:11:40 +0000