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:
Mar. 09, 2021

Filed:

Jan. 30, 2018
Applicant:

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

Inventors:

Rohit Chawla, Scotch Plains, NJ (US);

Ahsan Rashid, Edison, NJ (US);

Kumari Bijayalaxmi Nanda, Edison, NJ (US);

Alexander S. Mathews, Morganville, NJ (US);

Assignee:

EMC IP Holding Company LLC, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 12/0891 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0238 (2013.01); G06F 12/0269 (2013.01); G06F 12/0891 (2013.01); G06F 2212/1024 (2013.01); G06F 2212/1044 (2013.01); G06F 2212/163 (2013.01); G06F 2212/608 (2013.01);
Abstract

An in-line (or foreground) approach to obtaining contiguous ranges of free space in a file system of a data storage system that can select windows having blocks suitable for relocation at a time when one or more blocks within the respective windows are freed or de-allocated. By providing the in-line or foreground approach to obtaining contiguous ranges of free space in a file system, a more efficient determination of windows having blocks suitable for relocation can be achieved, thereby conserving processing resources of the data storage system.


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