diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2022-08-28 17:55:36 -0600 |
---|---|---|
committer | Luke Shumaker <lukeshu@lukeshu.com> | 2022-08-28 18:09:10 -0600 |
commit | e2cdb05eac6726c59fe1831876fddd8037156d67 (patch) | |
tree | 157e86b1088710e4f7b93ea8dc8c08c32eeb70ef /lib/btrfsprogs/btrfsinspect/rebuildnodes | |
parent | a2743121bad8a390dd248e3ec5c8d6844876832a (diff) |
btrfs: Split off btrfstree and btrfsprim sub-packages
Diffstat (limited to 'lib/btrfsprogs/btrfsinspect/rebuildnodes')
-rw-r--r-- | lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuildnodes.go | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuildnodes.go b/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuildnodes.go index 4302d6a..5923b6c 100644 --- a/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuildnodes.go +++ b/lib/btrfsprogs/btrfsinspect/rebuildnodes/rebuildnodes.go @@ -13,6 +13,8 @@ import ( "github.com/datawire/dlib/dlog" "git.lukeshu.com/btrfs-progs-ng/lib/btrfs" + "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim" + "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfstree" "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsvol" "git.lukeshu.com/btrfs-progs-ng/lib/btrfsprogs/btrfsinspect" "git.lukeshu.com/btrfs-progs-ng/lib/btrfsprogs/btrfsutil" @@ -45,13 +47,13 @@ func RebuildNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsinspec return rebuiltNodes, nil } -var maxKey = btrfs.Key{ +var maxKey = btrfsprim.Key{ ObjectID: math.MaxUint64, ItemType: math.MaxUint8, Offset: math.MaxUint64, } -func keyMm(key btrfs.Key) btrfs.Key { +func keyMm(key btrfsprim.Key) btrfsprim.Key { switch { case key.Offset > 0: key.Offset-- @@ -63,10 +65,10 @@ func keyMm(key btrfs.Key) btrfs.Key { return key } -func spanOfTreePath(fs *btrfs.FS, path btrfs.TreePath) (btrfs.Key, btrfs.Key) { +func spanOfTreePath(fs *btrfs.FS, path btrfstree.TreePath) (btrfsprim.Key, btrfsprim.Key) { // tree root error if len(path) == 0 { - return btrfs.Key{}, maxKey + return btrfsprim.Key{}, maxKey } // item error @@ -81,11 +83,11 @@ func spanOfTreePath(fs *btrfs.FS, path btrfs.TreePath) (btrfs.Key, btrfs.Key) { // // assume that path.Node(-1).ToNodeAddr is not readable, but that path.Node(-2).ToNodeAddr is. if len(path) == 1 { - return btrfs.Key{}, maxKey + return btrfsprim.Key{}, maxKey } parentNode, _ := fs.ReadNode(path.Parent()) low := parentNode.Data.BodyInternal[path.Node(-1).FromItemIdx].Key - var high btrfs.Key + var high btrfsprim.Key if path.Node(-1).FromItemIdx+1 < len(parentNode.Data.BodyInternal) { high = keyMm(parentNode.Data.BodyInternal[path.Node(-1).FromItemIdx+1].Key) } else { @@ -95,21 +97,21 @@ func spanOfTreePath(fs *btrfs.FS, path btrfs.TreePath) (btrfs.Key, btrfs.Key) { return low, high } -func walkFromNode(ctx context.Context, fs *btrfs.FS, nodeAddr btrfsvol.LogicalAddr, errHandle func(*btrfs.TreeError), cbs btrfs.TreeWalkHandler) { +func walkFromNode(ctx context.Context, fs *btrfs.FS, nodeAddr btrfsvol.LogicalAddr, errHandle func(*btrfstree.TreeError), cbs btrfstree.TreeWalkHandler) { sb, _ := fs.Superblock() - nodeRef, _ := btrfs.ReadNode[btrfsvol.LogicalAddr](fs, *sb, nodeAddr, btrfs.NodeExpectations{ + nodeRef, _ := btrfstree.ReadNode[btrfsvol.LogicalAddr](fs, *sb, nodeAddr, btrfstree.NodeExpectations{ LAddr: containers.Optional[btrfsvol.LogicalAddr]{OK: true, Val: nodeAddr}, }) if nodeRef == nil { return } - treeInfo := btrfs.TreeRoot{ + treeInfo := btrfstree.TreeRoot{ TreeID: nodeRef.Data.Head.Owner, RootNode: nodeAddr, Level: nodeRef.Data.Head.Level, Generation: nodeRef.Data.Head.Generation, } - fs.RawTreeWalk(ctx, treeInfo, errHandle, cbs) + btrfstree.TreesImpl{NodeSource: fs}.RawTreeWalk(ctx, treeInfo, errHandle, cbs) } func countNodes(nodeScanResults btrfsinspect.ScanDevicesResult) int { @@ -135,8 +137,8 @@ func lostAndFoundNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsi attachedNodes := make(map[btrfsvol.LogicalAddr]struct{}) btrfsutil.WalkAllTrees(ctx, fs, btrfsutil.WalkAllTreesHandler{ - TreeWalkHandler: btrfs.TreeWalkHandler{ - Node: func(path btrfs.TreePath, _ *diskio.Ref[btrfsvol.LogicalAddr, btrfs.Node]) error { + TreeWalkHandler: btrfstree.TreeWalkHandler{ + Node: func(path btrfstree.TreePath, _ *diskio.Ref[btrfsvol.LogicalAddr, btrfstree.Node]) error { attachedNodes[path.Node(-1).ToNodeAddr] = struct{}{} done++ progress(done) @@ -174,11 +176,11 @@ func lostAndFoundNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsi } walkCtx, cancel := context.WithCancel(ctx) walkFromNode(walkCtx, fs, potentialRoot, - func(err *btrfs.TreeError) { + func(err *btrfstree.TreeError) { // do nothing }, - btrfs.TreeWalkHandler{ - PreNode: func(path btrfs.TreePath) error { + btrfstree.TreeWalkHandler{ + PreNode: func(path btrfstree.TreePath) error { nodeAddr := path.Node(-1).ToNodeAddr if nodeAddr != potentialRoot { delete(orphanedRoots, nodeAddr) @@ -197,13 +199,13 @@ func lostAndFoundNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsi return orphanedRoots, nil } -func getChunkTreeUUID(ctx context.Context, fs *btrfs.FS) (btrfs.UUID, bool) { +func getChunkTreeUUID(ctx context.Context, fs *btrfs.FS) (btrfsprim.UUID, bool) { ctx, cancel := context.WithCancel(ctx) - var ret btrfs.UUID + var ret btrfsprim.UUID var retOK bool btrfsutil.WalkAllTrees(ctx, fs, btrfsutil.WalkAllTreesHandler{ - TreeWalkHandler: btrfs.TreeWalkHandler{ - Node: func(path btrfs.TreePath, node *diskio.Ref[btrfsvol.LogicalAddr, btrfs.Node]) error { + TreeWalkHandler: btrfstree.TreeWalkHandler{ + Node: func(path btrfstree.TreePath, node *diskio.Ref[btrfsvol.LogicalAddr, btrfstree.Node]) error { ret = node.Data.Head.ChunkTreeUUID retOK = true cancel() @@ -219,8 +221,8 @@ func getChunkTreeUUID(ctx context.Context, fs *btrfs.FS) (btrfs.UUID, bool) { type RebuiltNode struct { Err error - MinKey, MaxKey btrfs.Key - btrfs.Node + MinKey, MaxKey btrfsprim.Key + btrfstree.Node } func reInitBrokenNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsinspect.ScanDevicesResult, foundRoots map[btrfsvol.LogicalAddr]struct{}) (map[btrfsvol.LogicalAddr]*RebuiltNode, error) { @@ -247,20 +249,20 @@ func reInitBrokenNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsi var done int rebuiltNodes := make(map[btrfsvol.LogicalAddr]*RebuiltNode) - walkHandler := btrfs.TreeWalkHandler{ - Node: func(_ btrfs.TreePath, _ *diskio.Ref[btrfsvol.LogicalAddr, btrfs.Node]) error { + walkHandler := btrfstree.TreeWalkHandler{ + Node: func(_ btrfstree.TreePath, _ *diskio.Ref[btrfsvol.LogicalAddr, btrfstree.Node]) error { done++ progress(done) return nil }, - BadNode: func(path btrfs.TreePath, node *diskio.Ref[btrfsvol.LogicalAddr, btrfs.Node], err error) error { + BadNode: func(path btrfstree.TreePath, node *diskio.Ref[btrfsvol.LogicalAddr, btrfstree.Node], err error) error { min, max := spanOfTreePath(fs, path) rebuiltNodes[path.Node(-1).ToNodeAddr] = &RebuiltNode{ Err: err, MinKey: min, MaxKey: max, - Node: btrfs.Node{ - Head: btrfs.NodeHeader{ + Node: btrfstree.Node{ + Head: btrfstree.NodeHeader{ MetadataUUID: sb.EffectiveMetadataUUID(), Addr: path.Node(-1).ToNodeAddr, ChunkTreeUUID: chunkTreeUUID, @@ -282,7 +284,7 @@ func reInitBrokenNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsi }) for foundRoot := range foundRoots { walkFromNode(ctx, fs, foundRoot, - func(err *btrfs.TreeError) { + func(err *btrfstree.TreeError) { // do nothing }, walkHandler) @@ -293,8 +295,8 @@ func reInitBrokenNodes(ctx context.Context, fs *btrfs.FS, nodeScanResults btrfsi func reAttachNodes(ctx context.Context, fs *btrfs.FS, foundRoots map[btrfsvol.LogicalAddr]struct{}, rebuiltNodes map[btrfsvol.LogicalAddr]*RebuiltNode) error { // Index 'rebuiltNodes' for fast lookups. - gaps := make(map[btrfs.ObjID]map[uint8][]*RebuiltNode) - maxLevel := make(map[btrfs.ObjID]uint8) + gaps := make(map[btrfsprim.ObjID]map[uint8][]*RebuiltNode) + maxLevel := make(map[btrfsprim.ObjID]uint8) for _, node := range rebuiltNodes { maxLevel[node.Head.Owner] = slices.Max(maxLevel[node.Head.Owner], node.Head.Level) @@ -314,7 +316,7 @@ func reAttachNodes(ctx context.Context, fs *btrfs.FS, foundRoots map[btrfsvol.Lo // Attach foundRoots to the gaps. sb, _ := fs.Superblock() for foundLAddr := range foundRoots { - foundRef, err := btrfs.ReadNode[btrfsvol.LogicalAddr](fs, *sb, foundLAddr, btrfs.NodeExpectations{ + foundRef, err := btrfstree.ReadNode[btrfsvol.LogicalAddr](fs, *sb, foundLAddr, btrfstree.NodeExpectations{ LAddr: containers.Optional[btrfsvol.LogicalAddr]{OK: true, Val: foundLAddr}, }) if foundRef == nil { @@ -352,7 +354,7 @@ func reAttachNodes(ctx context.Context, fs *btrfs.FS, foundRoots map[btrfsvol.Lo continue } parent := parentGen[parentIdx] - parent.BodyInternal = append(parent.BodyInternal, btrfs.KeyPointer{ + parent.BodyInternal = append(parent.BodyInternal, btrfstree.KeyPointer{ Key: foundMinKey, BlockPtr: foundLAddr, Generation: foundRef.Data.Head.Generation, |