Kconfig 457 B

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  1. config OVERLAY_FS
  2. tristate "Overlay filesystem support"
  3. help
  4. An overlay filesystem combines two filesystems - an 'upper' filesystem
  5. and a 'lower' filesystem. When a name exists in both filesystems, the
  6. object in the 'upper' filesystem is visible while the object in the
  7. 'lower' filesystem is either hidden or, in the case of directories,
  8. merged with the 'upper' object.
  9. For more information see Documentation/filesystems/overlayfs.txt