CONFIG_MMC_BLOCK_MINORS: Number of minors per block device

General informations

The Linux kernel configuration item CONFIG_MMC_BLOCK_MINORS has multiple definitions:

Number of minors per block device found in drivers/mmc/core/Kconfig

The configuration item CONFIG_MMC_BLOCK_MINORS:

• prompt: Number of minors per block device
• type: int
• depends on: CONFIG_MMC_BLOCK
• defined in drivers/mmc/core/Kconfig
• found in Linux kernels: 4.10–4.20, 5.0–5.19, 6.0–6.11

Help text

Number of minors per block device. One is needed for every partition on the disk (plus one for the whole disk).

Number of total MMC minors available is 256, so your number of supported block devices will be limited to 256 divided by this number.

Default is 8 to be backwards compatible with previous hardwired device numbering.

If unsure, say 8 here.

Number of minors per block device found in drivers/mmc/card/Kconfig

The configuration item CONFIG_MMC_BLOCK_MINORS:

• prompt: Number of minors per block device
• type: int
• depends on: CONFIG_MMC_BLOCK
• defined in drivers/mmc/card/Kconfig
• found in Linux kernels: 2.6.37–2.6.39, 3.0–3.19, 4.0–4.9

Help text

Number of minors per block device. One is needed for every partition on the disk (plus one for the whole disk).

Number of total MMC minors available is 256, so your number of supported block devices will be limited to 256 divided by this number.

Default is 8 to be backwards compatible with previous hardwired device numbering.

If unsure, say 8 here.

Hardware

LKDDb

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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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