diff options
| -rw-r--r-- | cmd/btrfs-rec/repair_clearbadnodes.go | 26 | ||||
| -rw-r--r-- | lib/btrfsprogs/btrfsrepair/clearnodes.go | 77 |
2 files changed, 0 insertions, 103 deletions
diff --git a/cmd/btrfs-rec/repair_clearbadnodes.go b/cmd/btrfs-rec/repair_clearbadnodes.go deleted file mode 100644 index 3ae0810..0000000 --- a/cmd/btrfs-rec/repair_clearbadnodes.go +++ /dev/null @@ -1,26 +0,0 @@ -// Copyright (C) 2022 Luke Shumaker <lukeshu@lukeshu.com> -// -// SPDX-License-Identifier: GPL-2.0-or-later - -package main - -import ( - "github.com/datawire/ocibuild/pkg/cliutil" - "github.com/spf13/cobra" - - "git.lukeshu.com/btrfs-progs-ng/lib/btrfs" - "git.lukeshu.com/btrfs-progs-ng/lib/btrfsprogs/btrfsrepair" -) - -func init() { - repairers = append(repairers, subcommand{ - Command: cobra.Command{ - Use: "clear-bad-nodes", - Short: "Overwrite corrupt nodes with empty nodes", - Args: cliutil.WrapPositionalArgs(cobra.NoArgs), - }, - RunE: func(fs *btrfs.FS, cmd *cobra.Command, _ []string) error { - return btrfsrepair.ClearBadNodes(cmd.Context(), fs) - }, - }) -} diff --git a/lib/btrfsprogs/btrfsrepair/clearnodes.go b/lib/btrfsprogs/btrfsrepair/clearnodes.go deleted file mode 100644 index 2258f66..0000000 --- a/lib/btrfsprogs/btrfsrepair/clearnodes.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright (C) 2022 Luke Shumaker <lukeshu@lukeshu.com> -// -// SPDX-License-Identifier: GPL-2.0-or-later - -package btrfsrepair - -import ( - "context" - "errors" - "fmt" - - "github.com/datawire/dlib/dlog" - - "git.lukeshu.com/btrfs-progs-ng/lib/btrfs" - "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsvol" - "git.lukeshu.com/btrfs-progs-ng/lib/btrfsprogs/btrfsutil" - "git.lukeshu.com/btrfs-progs-ng/lib/diskio" -) - -func ClearBadNodes(ctx context.Context, fs *btrfs.FS) error { - var uuidsInited bool - var metadataUUID, chunkTreeUUID btrfs.UUID - - btrfsutil.WalkAllTrees(ctx, fs, btrfsutil.WalkAllTreesHandler{ - Err: func(err *btrfsutil.WalkError) { - dlog.Error(ctx, err) - }, - TreeWalkHandler: btrfs.TreeWalkHandler{ - Node: func(path btrfs.TreePath, node *diskio.Ref[btrfsvol.LogicalAddr, btrfs.Node]) error { - if !uuidsInited { - metadataUUID = node.Data.Head.MetadataUUID - chunkTreeUUID = node.Data.Head.ChunkTreeUUID - uuidsInited = true - } - return nil - }, - BadNode: func(path btrfs.TreePath, node *diskio.Ref[btrfsvol.LogicalAddr, btrfs.Node], err error) error { - if !errors.Is(err, btrfs.ErrNotANode) { - return err - } - origErr := err - if !uuidsInited { - // TODO(lukeshu): Is there a better way to get the chunk - // tree UUID? - return fmt.Errorf("cannot repair node@%v: not (yet?) sure what the chunk tree UUID is", node.Addr) - } - node.Data = btrfs.Node{ - Size: node.Data.Size, - ChecksumType: node.Data.ChecksumType, - Head: btrfs.NodeHeader{ - //Checksum: filled below, - MetadataUUID: metadataUUID, - Addr: node.Addr, - Flags: btrfs.NodeWritten, - BackrefRev: btrfs.MixedBackrefRev, - ChunkTreeUUID: chunkTreeUUID, - Generation: path.Node(-1).FromGeneration, - Owner: path.Node(-1).FromTree, - NumItems: 0, - Level: path.Node(-1).ToNodeLevel, - }, - } - node.Data.Head.Checksum, err = node.Data.CalculateChecksum() - if err != nil { - return err - } - if err := node.Write(); err != nil { - return err - } - - dlog.Infof(ctx, "fixed node@%v (err was %v)\n", node.Addr, origErr) - return nil - }, - }, - }) - return nil -} |