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Host-based transfer of input-output operations from kernel space block device to user space block device

專利號(hào)
US11175840B2
公開日期
2021-11-16
申請(qǐng)人
EMC IP Holding Company LLC(US MA Hopkinton)
發(fā)明人
Sanjib Mallick; Md Haris Iqbal; Kundan Kumar
IPC分類
G06F9/54; G06F3/06; G06F9/50
技術(shù)領(lǐng)域
io,storage,mpio,submission,kernel,balancing,space,host,array,in
地域: MA MA Hopkinton

摘要

An apparatus in one embodiment comprises a host device comprising a processor coupled to memory. The host device is configured to communicate over a network with at least one storage system. The host device is further configured to generate a user space block device and to generate a kernel space block device corresponding to the user space block device. The host device is further configured to receive an input-output operation at the kernel space block device from an application executing on the host device and to transfer the input-output operation from the kernel space block device to the corresponding user space block device. The host device is further configured to submit the input-output operation to the at least one storage system based at least in part on the user space block device.

說明書

The particular processing operations and other system functionality described in conjunction with the flow diagram of FIG. 4 are presented by way of illustrative example only, and should not be construed as limiting the scope of the disclosure in any way. Alternative embodiments can use other types of processing operations involving host devices, storage systems and interface logic. For example, the ordering of the process steps may be varied in other embodiments, or certain steps may be performed at least in part concurrently with one another rather than serially. Also, one or more of the process steps may be repeated periodically, or multiple instances of the processes can be performed in parallel with one another in order to implement a plurality of different interface logic arrangements within a given information processing system.

Functionality such as that described in conjunction with the flow diagram of FIG. 4 can be implemented at least in part in the form of one or more software programs stored in memory and executed by a processor of a processing device such as a computer or server. As will be described herein, a memory or other storage device having executable program code of one or more software programs embodied therein is an example of what is more generally referred to herein as a “processor-readable storage medium.”

權(quán)利要求

1
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