diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/qgroup.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/tree-checker.c | 30 | ||||
| -rw-r--r-- | fs/btrfs/tree-checker.h | 1 |
3 files changed, 18 insertions, 15 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 364acc9bbe73..40e5f7f2fcb7 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -3045,6 +3045,8 @@ int btrfs_qgroup_check_inherit(struct btrfs_fs_info *fs_info, struct btrfs_qgroup_inherit *inherit, size_t size) { + if (!btrfs_qgroup_enabled(fs_info)) + return 0; if (inherit->flags & ~BTRFS_QGROUP_INHERIT_FLAGS_SUPP) return -EOPNOTSUPP; if (size < sizeof(*inherit) || size > PAGE_SIZE) diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index c8fbcae4e88e..32604e9b31c3 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -1797,6 +1797,11 @@ enum btrfs_tree_block_status __btrfs_check_leaf(struct extent_buffer *leaf) return BTRFS_TREE_BLOCK_INVALID_LEVEL; } + if (unlikely(!btrfs_header_flag(leaf, BTRFS_HEADER_FLAG_WRITTEN))) { + generic_err(leaf, 0, "invalid flag for leaf, WRITTEN not set"); + return BTRFS_TREE_BLOCK_WRITTEN_NOT_SET; + } + /* * Extent buffers from a relocation tree have a owner field that * corresponds to the subvolume tree they are based on. So just from an @@ -1858,6 +1863,7 @@ enum btrfs_tree_block_status __btrfs_check_leaf(struct extent_buffer *leaf) for (slot = 0; slot < nritems; slot++) { u32 item_end_expected; u64 item_data_end; + enum btrfs_tree_block_status ret; btrfs_item_key_to_cpu(leaf, &key, slot); @@ -1913,21 +1919,10 @@ enum btrfs_tree_block_status __btrfs_check_leaf(struct extent_buffer *leaf) return BTRFS_TREE_BLOCK_INVALID_OFFSETS; } - /* - * We only want to do this if WRITTEN is set, otherwise the leaf - * may be in some intermediate state and won't appear valid. - */ - if (btrfs_header_flag(leaf, BTRFS_HEADER_FLAG_WRITTEN)) { - enum btrfs_tree_block_status ret; - - /* - * Check if the item size and content meet other - * criteria - */ - ret = check_leaf_item(leaf, &key, slot, &prev_key); - if (unlikely(ret != BTRFS_TREE_BLOCK_CLEAN)) - return ret; - } + /* Check if the item size and content meet other criteria. */ + ret = check_leaf_item(leaf, &key, slot, &prev_key); + if (unlikely(ret != BTRFS_TREE_BLOCK_CLEAN)) + return ret; prev_key.objectid = key.objectid; prev_key.type = key.type; @@ -1957,6 +1952,11 @@ enum btrfs_tree_block_status __btrfs_check_node(struct extent_buffer *node) int level = btrfs_header_level(node); u64 bytenr; + if (unlikely(!btrfs_header_flag(node, BTRFS_HEADER_FLAG_WRITTEN))) { + generic_err(node, 0, "invalid flag for node, WRITTEN not set"); + return BTRFS_TREE_BLOCK_WRITTEN_NOT_SET; + } + if (unlikely(level <= 0 || level >= BTRFS_MAX_LEVEL)) { generic_err(node, 0, "invalid level for node, have %d expect [1, %d]", diff --git a/fs/btrfs/tree-checker.h b/fs/btrfs/tree-checker.h index 5c809b50b2d0..01669cfa6578 100644 --- a/fs/btrfs/tree-checker.h +++ b/fs/btrfs/tree-checker.h @@ -53,6 +53,7 @@ enum btrfs_tree_block_status { BTRFS_TREE_BLOCK_INVALID_BLOCKPTR, BTRFS_TREE_BLOCK_INVALID_ITEM, BTRFS_TREE_BLOCK_INVALID_OWNER, + BTRFS_TREE_BLOCK_WRITTEN_NOT_SET, }; /* |