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![David Sterba](https://secure.gravatar.com/avatar/407c50e010f7ee5d7273ed7d28a82ebf.jpg?s=96&d=mm)
David Sterba committed d23ea3fa7dc
btrfs: assert extent map tree lock in add_extent_mapping As add_extent_mapping is called from several functions, let's add the lock annotation. The tree is going to be modified so it must be the exclusive lock. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>