# Deprecated Options These are old, deprecated options which may no longer have any function or have been replaced. **They should not be used.** * **allow_other**: mergerfs v2.35.0 and above sets this FUSE option automatically if running as root. * **attr_timeout**: Use `cache.attr`. * **entry_timeout**: Use `cache.entry`. * **negative_entry**: Use `cache.negative_entry`. * **direct_io**: Bypass page cache. Use `cache.files=off` instead. * **kernel_cache**: Do not invalidate data cache on file open. Use `cache.files=full` instead. * **auto_cache**: Invalidate data cache if file mtime or size change. Use `cache.files=auto-full` instead. (default: false) * **async_read**: Use `async_read=true`. * **sync_read**: Use `async_read=false`. * **splice_read**: Does nothing. * **splice_write**: Does nothing. * **splice_move**: Does nothing. * **use_ino**: Use `inodecalc`. * **atomic_o_trunc**: Does nothing. * **hard_remove**: Does nothing.