CONFIG_BTRFS_FS: Btrfs filesystem support

General informations

The Linux kernel configuration item CONFIG_BTRFS_FS has multiple definitions:

Btrfs filesystem support found in fs/btrfs/Kconfig

The configuration item CONFIG_BTRFS_FS:

• prompt: Btrfs filesystem support
• type: tristate
• depends on: CONFIG_PAGE_SIZE_LESS_THAN_256KB
• defined in fs/btrfs/Kconfig
• found in Linux kernels: 3.10–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD
• modules built: btrfs

Help text

Btrfs is a general purpose copy-on-write filesystem with extents, writable snapshotting, support for multiple devices and many more features focused on fault tolerance, repair and easy administration.

The filesystem disk format is no longer unstable, and it's not expected to change unless there are strong reasons to do so. If there is a format change, file systems with a unchanged format will continue to be mountable and usable by newer kernels.

For more information, please see the web pages at https://btrfs.readthedocs.io

To compile this file system support as a module, choose M here. The module will be called btrfs.

If unsure, say N.

Btrfs filesystem Unstable disk format found in fs/btrfs/Kconfig

The configuration item CONFIG_BTRFS_FS:

• prompt: Btrfs filesystem Unstable disk format
• type: tristate
• depends on: (none)
• defined in fs/btrfs/Kconfig
• found in Linux kernels: 3.9
• modules built: btrfs

Help text

Btrfs is a new filesystem with extents, writable snapshotting, support for multiple devices and many more features.

Btrfs is highly experimental, and THE DISK FORMAT IS NOT YET FINALIZED. You should say N here unless you are interested in testing Btrfs with non-critical data.

To compile this file system support as a module, choose M here. The module will be called btrfs.

If unsure, say N.

Btrfs filesystem (EXPERIMENTAL) Unstable disk format found in fs/btrfs/Kconfig

The configuration item CONFIG_BTRFS_FS:

• prompt: Btrfs filesystem (EXPERIMENTAL) Unstable disk format
• type: tristate
• depends on: CONFIG_EXPERIMENTAL
• defined in fs/btrfs/Kconfig
• found in Linux kernels: 2.6.29–2.6.39, 3.0–3.8
• modules built: btrfs

Help text

Btrfs is a new filesystem with extents, writable snapshotting, support for multiple devices and many more features.

Btrfs is highly experimental, and THE DISK FORMAT IS NOT YET FINALIZED. You should say N here unless you are interested in testing Btrfs with non-critical data.

To compile this file system support as a module, choose M here. The module will be called btrfs.

If unsure, say N.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb fs "btrfs" : CONFIG_BTRFS_FS : fs/btrfs/super.c # in 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD
• lkddb fs "btrfs_test_fs" : CONFIG_BTRFS_FS CONFIG_BTRFS_FS_RUN_SANITY_TESTS : fs/btrfs/tests/btrfs-tests.c # in 3.13–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD
• lkddb module btrfs CONFIG_BTRFS_FS : fs/btrfs/Kconfig : "Btrfs filesystem support" # in 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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