Invention Grant
- Patent Title: Managing concurrent I/OS in file systems
- Patent Title (中): 管理文件系统中的并发I / OS
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Application No.: US13247753Application Date: 2011-09-28
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Publication No.: US09213717B1Publication Date: 2015-12-15
- Inventor: Sitaram Pawar , William Davenport , Ivan Basov
- Applicant: Sitaram Pawar , William Davenport , Ivan Basov
- Applicant Address: US MA Hopkinton
- Assignee: EMC Corporation
- Current Assignee: EMC Corporation
- Current Assignee Address: US MA Hopkinton
- Agent Krishnendu Gupta; Deepika Bhayana
- Main IPC: G06F17/30
- IPC: G06F17/30
Abstract:
A method is used in managing concurrent I/Os in file systems. A first and second I/O requests are received. The first I/O request is directed to a first portion of a file and the second I/O request is directed to a second portion of the file. A first range lock for the first portion is obtained and a second range lock for the second portion is obtained. The first and second I/O requests are performed concurrently. The second I/O request starts performing I/O on the second portion of the file before the first I/O request finish performing I/O on the first portion of the file.
Information query
