diff options
Diffstat (limited to 'btrfs-list.c')
| -rw-r--r-- | btrfs-list.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/btrfs-list.c b/btrfs-list.c index f804dfc6..0c3edd11 100644 --- a/btrfs-list.c +++ b/btrfs-list.c @@ -200,9 +200,10 @@ static int add_root(struct root_lookup *root_lookup, * This can't be called until all the root_info->path fields are filled * in by lookup_ino_path */ -static int resolve_root(struct root_lookup *rl, struct root_info *ri) +static int resolve_root(struct root_lookup *rl, struct root_info *ri, int print_parent) { u64 top_id; + u64 parent_id = 0; char *full_path = NULL; int len = 0; struct root_info *found; @@ -233,6 +234,11 @@ static int resolve_root(struct root_lookup *rl, struct root_info *ri) } next = found->ref_tree; + /* record the first parent */ + if ( parent_id == 0 ) { + parent_id = next; + } + /* if the ref_tree refers to ourselves, we're at the top */ if (next == found->root_id) { top_id = next; @@ -249,9 +255,15 @@ static int resolve_root(struct root_lookup *rl, struct root_info *ri) break; } } - printf("ID %llu top level %llu path %s\n", - (unsigned long long)ri->root_id, (unsigned long long)top_id, - full_path); + if (print_parent) { + printf("ID %llu parent %llu top level %llu path %s\n", + (unsigned long long)ri->root_id, (unsigned long long)parent_id, (unsigned long long)top_id, + full_path); + } else { + printf("ID %llu top level %llu path %s\n", + (unsigned long long)ri->root_id, (unsigned long long)top_id, + full_path); + } free(full_path); return 0; } @@ -549,7 +561,7 @@ build: return full; } -int list_subvols(int fd) +int list_subvols(int fd, int print_parent) { struct root_lookup root_lookup; struct rb_node *n; @@ -666,7 +678,7 @@ int list_subvols(int fd) while (n) { struct root_info *entry; entry = rb_entry(n, struct root_info, rb_node); - resolve_root(&root_lookup, entry); + resolve_root(&root_lookup, entry, print_parent); n = rb_prev(n); } |