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Linux 6.14 Adding "STATX_DIO_READ_ALIGN" To Address A Performance Pitfall
he VFS pull requests sent out this weekend in advance of the Linux 6.14 merge window formally opening were the VFS direct I/O (DIO) updates that introduce a new STATX_DIO_READ_ALIGN field for addressing a possible performance pitfall. The patch series by longtime Linux developer Christoph Hellwig for introducing STATX_DIO_READ_ALIGN is explained as: "File systems that write out of place usually require different alignment for direct I/O writes than what they can do for reads.
Among the VFS pull requests sent out this weekend in advance of the Linux 6.14 merge window formally opening were the VFS direct I/O (DIO) updates that introduce a new STATX_DIO_READ_ALIGN field for addressing a possible performance pitfall. The patch series by longtime Linux developer Christoph Hellwig for introducing STATX_DIO_READ_ALIGN is explained as: And thus this pull request introduces the 100 some lines of new code for STATX_DIO_READ_ALIGN plus a few changes to the XFS file-system handling.
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