CONFIG_BLOCK: Enable the block layer

General informations

The Linux kernel configuration item CONFIG_BLOCK:

• prompt: Enable the block layer
• type: bool
• depends on: CONFIG_EXPERT
• defined in block/Kconfig
• found in Linux kernels: 2.6.19–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Provide block layer support for the kernel.

Disable this option to remove the block layer support from the kernel. This may be useful for embedded devices.

If this option is disabled:

- block device files will become unusable - some filesystems (such as ext3) will become unavailable.

Also, SCSI character devices and USB storage will be disabled since they make use of various block layer definitions and facilities.

Say Y here unless you know you really don't want to mount disks and suchlike.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb fs "bdev" : CONFIG_BLOCK : block/bdev.c # in 5.15

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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