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|
=======================================
Device filesystem (/dev) interface
=======================================
USER
/ \
/dev/sd0, /dev/sd1
/ \
namei() namei()
/ \
vop() vop()
/ \
driver driver
/ \
HARD DRIVE 0 HARD DRIVE 1
=======================================
Hyra disk engine framework
=======================================
USER
|
HDEI [ hyra disk-engine interface: like disk_io() ]
kernel -- |
HDE [ hyra disk engine: drives the core disk logic ]
|
HDF [ hyra disk framework (core logic) ]
/ \
HARD DRIVE 0 HARD DRIVE 1
[DRIVER] <-> [DISK ENGINE]
^
|
V
[ SLS / FILESYSTEM]
^
|
V
[USER]
NOTES:
- Unix filesystem-like strucuture with indirection
for orthogonally persistent objects
- Explicit storage lifetime (i.e., persistent or ephemeral)
during allocation at a page-level granularity
|
