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SubjectAddressing logically the buffer cache

Is there any patch or project to address logically the buffer cache?.
Now, you use three parameters to find a buffer in cache: device, block
number, and block size. But, what about if I want to find a buffer using
a super block, an inode number, and a block number within the file
specified by the inode number.

This mechanism would be very useful for a log-structured file system,
for example.

Thanks in advance
D. Juan Piernas Cánovas
Departamento de Ingeniería y Tecnología de Computadores
Facultad de Informática. Universidad de Murcia
Campus de Espinardo - 30080 Murcia (SPAIN)
Tel.: +34968364633 Fax: +34968364151
PGP public key:
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