The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 04, 2022

Filed:

Feb. 27, 2019
Applicant:

Emc Ip Holding Company Llc, Hopkinton, MA (US);

Inventors:

Lanjun Liao, Chengdu, CN;

Qingxiao Zheng, Chengdu, CN;

Yi Wang, Chengdu, CN;

Assignee:

EMC IP HOLDING COMPANY LLC, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/30 (2019.01); G06F 16/11 (2019.01); G06F 16/172 (2019.01); G06F 16/188 (2019.01);
U.S. Cl.
CPC ...
G06F 16/122 (2019.01); G06F 16/172 (2019.01); G06F 16/188 (2019.01);
Abstract

Embodiments of the present disclosure provide a method, device and computer readable medium for accessing a file. The method described herein comprises: receiving, in a virtual file system on a client, a request for opening a file in the virtual file system from an application, the request comprising a path for the file; determining whether the file has been opened successfully at the client; in response to determining that the file fails to be opened at the client, searching a first cache of the virtual file system for the path, the first cache being configured to store paths for files that fail to be opened at the client; and in response to success in finding the path in the first cache, returning an indication of failure in opening the file to the application.


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