[PATCH v3 4/7] Btrfs: remove BUG() in print_extent_item
From: Liu Bo <hidden>
Date: 2017-08-18 22:17:13
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
btrfs_print_leaf() is used in btrfs_get_extent_inline_ref_type, so here we really want to print the invalid value of ref type instead of causing a kernel panic. Signed-off-by: Liu Bo <redacted> --- fs/btrfs/print-tree.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index fcae61e..0e52e47 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c@@ -121,7 +121,10 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) offset, btrfs_shared_data_ref_count(eb, sref)); break; default: - BUG(); + btrfs_err(eb->fs_info, + "extent %llu has invalid ref type %d\n", + eb->start, type); + return; } ptr += btrfs_extent_inline_ref_size(type); }
--
2.9.4