CONFIG_XFS_RT: XFS Realtime subvolume support

General informations

The Linux kernel configuration item CONFIG_XFS_RT has multiple definitions:

XFS Realtime subvolume support found in fs/xfs/Kconfig

The configuration item CONFIG_XFS_RT:

• prompt: XFS Realtime subvolume support
• type: bool
• depends on: CONFIG_XFS_FS
• defined in fs/xfs/Kconfig
• found in Linux kernels: 2.6.18–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

If you say Y here you will be able to mount and use XFS filesystems which contain a realtime subvolume. The realtime subvolume is a separate area of disk space where only file data is stored. It was originally designed to provide deterministic data rates suitable for media streaming applications, but is also useful as a generic mechanism for ensuring data and metadata/log I/Os are completely separated. Regular file I/Os are isolated to a separate device from all other requests, and this can be done quite transparently to applications via the inherit-realtime directory inode flag.

See the xfs man page in section 5 for additional information.

If unsure, say N.

XFS Realtime support (EXPERIMENTAL) found in fs/xfs/Kconfig

The configuration item CONFIG_XFS_RT:

• prompt: XFS Realtime support (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_XFS_FS && CONFIG_EXPERIMENTAL
• defined in fs/xfs/Kconfig
• found in Linux kernels: 2.6.14–2.6.17

Help text

If you say Y here you will be able to mount and use XFS filesystems which contain a realtime subvolume. The realtime subvolume is a separate area of disk space where only file data is stored. The realtime subvolume is designed to provide very deterministic data rates suitable for media streaming applications.

See the xfs man page in section 5 for a bit more information.

This feature is unsupported at this time, is not yet fully functional, and may cause serious problems.

If unsure, say N.

Realtime support (EXPERIMENTAL) found in fs/xfs/Kconfig

The configuration item CONFIG_XFS_RT:

• prompt: Realtime support (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_XFS_FS && CONFIG_EXPERIMENTAL
• defined in fs/xfs/Kconfig
• found in Linux kernels: 2.6.11–2.6.13

Help text

If you say Y here you will be able to mount and use XFS filesystems which contain a realtime subvolume. The realtime subvolume is a separate area of disk space where only file data is stored. The realtime subvolume is designed to provide very deterministic data rates suitable for media streaming applications.

See the xfs man page in section 5 for a bit more information.

This feature is unsupported at this time, is not yet fully functional, and may cause serious problems.

If unsure, say N.

Realtime support (EXPERIMENTAL) found in fs/Kconfig

The configuration item CONFIG_XFS_RT:

• prompt: Realtime support (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_XFS_FS && CONFIG_EXPERIMENTAL
• defined in fs/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.10

Help text

If you say Y here you will be able to mount and use XFS filesystems which contain a realtime subvolume. The realtime subvolume is a separate area of disk space where only file data is stored. The realtime subvolume is designed to provide very deterministic data rates suitable for media streaming applications.

See the xfs man page in section 5 for a bit more information.

This feature is unsupported at this time, is not yet fully functional, and may cause serious problems.

If unsure, say N.

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