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.
Patent No.:
Date of Patent:
Jul. 10, 2018
Filed:
Sep. 25, 2015
Dell Products L.p., Round Rock, TX (US);
Rushikesh P. Patil, Sunnyvale, CA (US);
Puneet Kaushik, Fremont, CA (US);
Satya Mylvara, Sunnyvale, CA (US);
Dell Products L.P., Round Rock, TX (US);
Abstract
A method and system for handling a file operation directed to an original file of a protected layer. A protected layer and a user- or device-specific write layer associated with the protected layer are both mounted. File open operations directed to an original file on the protected layer are instead redirected to one of a dummy file associated with the original file or a write-layer copy of the original file located on the write layer. If neither a dummy file nor a write-layer copy of the original file are on the write layer, a dummy file having the same file name and file attributes as the original file is created in the write layer. Subsequent file operations, such as reading, writing, and closing, are directed to the one of the dummy file or the write-layer copy.