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EXT4 Lands Optional Buffered IOmap For Significant Performance Win With Large Writes

Phoronix · US · Operating Systems · 10/26/2026, 5:53:55 AM

The EXT4 file-system changes were merged Sunday night for the ongoing Linux 7.4 merge window. The headline feature of EXT4 in this new kernel version is opt-in support for buffered IOmap usage that can lead to "significant" performance improvements for large writes...

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