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Linux 7.0 introduces autonomous self-healing capabilities to the XFS file system through a new event notification system. The implementation uses anonymous file descriptors to deliver real-time health events to userspace, enabling a new xfs_healer daemon to automatically initiate repairs when metadata failures or I/O errors occur. Additionally, parent pointer performance has been significantly improved, reducing system time overhead from 28% to 8% for file creation and from 56% to 19% for deletion through optimized shortform attribute operations.

XFS Introducing Autonomous Self-Healing Capabilities With Linux 7.0