Method for reporting file write status in a shared file system

Details Method for reporting file write status in a shared file system Method for reporting file write status in a shared file system

1994-12-09

1996-11-19

Lim, Krisna

Boots, shoes, and leggings

395872, 364239, 3642397, 3642841, G06F 1300

Patent

active

055772129

ABSTRACT:
A plurality of buffers is provided which are shared in that each are capable of having data written to or from them by one or more user computer programs. Each of those buffers is dedicated to reading data from or writing data to a unique particular area in a storage device such as physical disk media. A first set of registers is provided for monitoring the status of each of a number of data transfers between any one of the user programs and a particular such storage location. A second set of registers is provided for monitoring the status of reads from a storage location, or writes to a storage location, via a particular one of the buffers. This system thereby keeps each user program informed of any read or write commands it has issued, while permitting a number of reads or writes between different user programs, and a single storage area served by a single shared buffer, to be accomplished in one input/output operation.

REFERENCES:
patent: 4442487 (1984-04-01), Fletcher et al.

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