diff options
| author | Kuan-Ying Lee <kuan-ying.lee@canonical.com> | 2024-07-23 14:48:58 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:43:28 -0700 |
| commit | 0c77e103c45fa1b119f5d3bb4625eee081c1a6cf (patch) | |
| tree | 4e60f23350c05f56f71a0c3e1ac64872c3b55536 /scripts/gdb | |
| parent | a633a4b8001a7f2a12584f267a3280990d9ababa (diff) | |
scripts/gdb: add iteration function for rbtree
Add inorder iteration function for rbtree usage.
This is a preparation patch for the next patch to fix the gdb mounts
issue.
Link: https://lkml.kernel.org/r/20240723064902.124154-3-kuan-ying.lee@canonical.com
Fixes: 2eea9ce4310d ("mounts: keep list of mounts in an rbtree")
Signed-off-by: Kuan-Ying Lee <kuan-ying.lee@canonical.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'scripts/gdb')
| -rw-r--r-- | scripts/gdb/linux/rbtree.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/scripts/gdb/linux/rbtree.py b/scripts/gdb/linux/rbtree.py index fe462855eefd..fcbcc5f4153c 100644 --- a/scripts/gdb/linux/rbtree.py +++ b/scripts/gdb/linux/rbtree.py @@ -9,6 +9,18 @@ from linux import utils rb_root_type = utils.CachedType("struct rb_root") rb_node_type = utils.CachedType("struct rb_node") +def rb_inorder_for_each(root): + def inorder(node): + if node: + yield from inorder(node['rb_left']) + yield node + yield from inorder(node['rb_right']) + + yield from inorder(root['rb_node']) + +def rb_inorder_for_each_entry(root, gdbtype, member): + for node in rb_inorder_for_each(root): + yield utils.container_of(node, gdbtype, member) def rb_first(root): if root.type == rb_root_type.get_type(): |