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US 2015/0089097 A1Published application
I/o processing control apparatus and i/o processing control method
AssigneeHitachi, Ltd.
InventorsYuya ISODA, Atsushi TOMODA
Life of this patent
Estimating the term…
Abstract
An I/O processing control apparatus integrates, from among a plurality of unprocessed I/O requests, two or more I/O requests, which are for the same type of I/O process and have two or more noncontiguous areas as I/O destinations, into one I/O request targeted at one continuous area comprising the above-mentioned two or more noncontiguous areas, and executes I/O processing in relation to the storage device on the basis of the integrated I/O request.
Claims15
An I/O processing control apparatus for controlling I/O processing in relation to a storage device, comprising:
- a storage part configured to store a plurality of unprocessed I/O requests destined for the storage device;
- an I/O scheduler part configured to integrate, from among the plurality of I/O requests, two or more I/O requests, which are for the same type of I/O process and have two or more noncontiguous areas as I/O destinations, into one I/O request that has one continuous area comprising the two or more noncontiguous areas as the I/O destination;
- and
- a device driver part configured to execute I/O processing in relation to the storage device on the basis of the integrated I/O request.
1 more element
An I/O processing control method comprising:
- integrating, from among a plurality of I/O requests, two or more I/O requests, which are for the same type of I/O process and have two or more noncontiguous areas as I/O destinations, into one I/O request that has one continuous area comprising the two or more noncontiguous areas as the I/O destination;
- and
- executing I/O processing in relation to the storage device on the basis of the integrated I/O request.
Dependencies are inferred from the claim text.