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mergerfs/mkdocs/docs/config/kernel-permissions-check.md
Antonio SJ Musumeci 2b04a791b7 Add config option to control default_permissions 
Defaults true but there might be some situations where it is useful to
disable.
2025-04-25 16:34:39 -05:00

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kernel-permissions-check

  • kernel-permissions-check=true|false
  • Default: true

FUSE has a feature which mergerfs leverages which allows the kernel to do file permission checking rather than leaving it to the FUSE server (in this case mergerfs.) This improves performance. However, it also limits flexibility.

mergerfs should work fine regardless of this setting but there might be some currently unknown edge cases where disabling the feature might help. Like export-support this is mostly for debugging.

This option is a kernel mount option so unable to be changed at runtime.