File system block sub-allocator

Details File system block sub-allocator File system block sub-allocator

1997-09-24

2000-03-21

Palys, Joseph E.

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

711111, 714718, G06F 9445

Patent

active

060414073

ABSTRACT:
A system for sub-allocating space within a logical block in a disk-based file system is described. Each disk block is subdivided into an integer number of smaller sub-blocks. One or more of the sub-blocks may contain data samples. Associated with each block is a variable which indicates which sub-block within the block contains data which have been read from disk to memory. When an application performs a read operation, the variable is first checked to determine whether the data sample to be read is already in memory. If the data sample is in memory, no disk read operation for that data is required.

REFERENCES:
patent: 4428064 (1984-01-01), Hemty et al.
patent: 5454103 (1995-09-01), Coverston et al.
patent: 5455926 (1995-10-01), Keele et al.
patent: 5461719 (1995-10-01), Hosoya
patent: 5463762 (1995-10-01), Morrissey et al.
patent: 5475814 (1995-12-01), Tomimitsu
patent: 5568629 (1996-10-01), Gentry et al.
patent: 5696931 (1994-09-01), Lum et al.
patent: 5717888 (1998-02-01), Candelaria et al.
patent: 5761536 (1998-06-01), Franaszek
patent: 5784703 (1998-07-01), Muraoka et al.
patent: 5845308 (1995-12-01), Dockser
International Search Report, PCT/US98/18764, Mar. 12, 1999, 1 pg.

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