fsck: organize, update item-gen code

1 files changed, 19 insertions, 0 deletions

diff --git a/cmd/btrfs-fsck/pass0.go b/cmd/btrfs-fsck/pass0.go
new file mode 100644
index 0000000..8482826
--- /dev/null
+++ b/cmd/btrfs-fsck/pass0.go
@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+
+	"lukeshu.com/btrfs-tools/pkg/btrfs"
+	"lukeshu.com/btrfs-tools/pkg/util"
+)
+
+func pass0(fs *btrfs.FS) (*util.Ref[btrfs.PhysicalAddr, btrfs.Superblock], error) {
+	fmt.Printf("\nPass 0: superblocks...\n")
+
+	superblock, err := fs.Superblock()
+	if err != nil {
+		return nil, fmt.Errorf("superblock: %w", err)
+	}
+
+	return superblock, nil
+}