Btrfs: check if items are ordered when a leaf is marked dirty
To ease finding bugs during development related to modifying btree leaves in such a way that it makes its items not sorted by key anymore. Since this is an expensive check, it's only enabled if CONFIG_BTRFS_FS_CHECK_INTEGRITY is set, which isn't meant to be enabled for regular users. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <clm@fb.com>
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@ -3738,6 +3738,12 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf)
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__percpu_counter_add(&root->fs_info->dirty_metadata_bytes,
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buf->len,
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root->fs_info->dirty_metadata_batch);
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#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
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if (btrfs_header_level(buf) == 0 && check_leaf(root, buf)) {
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btrfs_print_leaf(root, buf);
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ASSERT(0);
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}
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#endif
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}
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static void __btrfs_btree_balance_dirty(struct btrfs_root *root,
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