25.03.2015 Views

Implementation of the file system layer in HelenOS

Implementation of the file system layer in HelenOS

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VFS backend<br />

<br />

Registry <strong>of</strong> <strong>in</strong>dividual FS<br />

<br />

Pathname Lookup Buffer<br />

<br />

VFS shares PLB read­write<br />

VFS<br />

TMPFS<br />

FAT<br />

<br />

<br />

FS share PLB read­only<br />

VFS output protocol<br />

<br />

All output VFS methods<br />

<br />

All FS must understand it<br />

<br />

VFS polymorphism

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