CONFIG_EROFS_FS_BACKED_BY_FILE: File-backed EROFS filesystem support

General informations

The Linux kernel configuration item CONFIG_EROFS_FS_BACKED_BY_FILE:

• prompt: File-backed EROFS filesystem support
• type: bool
• depends on: CONFIG_EROFS_FS
• defined in fs/erofs/Kconfig
• found in Linux kernels: 6.12, 6.13-rc+HEAD

Help text

This allows EROFS to use filesystem image files directly, without the intercession of loopback block devices or likewise. It is particularly useful for container images with numerous blobs and other sandboxes, where loop devices behave intricately. It can also be used to simplify error-prone lifetime management of unnecessary virtual block devices.

Note that this feature, along with ongoing fanotify pre-content hooks, will eventually replace "EROFS over fscache."

If you don't want to enable this feature, say N.

Hardware

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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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