Apparatus and method for storing and managing additional data in file system
First Claim
1. An apparatus for storing and managing additional data in a file system, the apparatus comprising:
- a search unit which searches for an unused region in a directory entry;
a storage unit which stores additional data in the unused region; and
an additional data managing unit which locates a position of the additional data using a signature and a checksum of the additional data.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed are an apparatus and a method for storing and managing additional data in a file system. The apparatus comprises a search unit to search for an unused region in a directory entry, a storage unit to store additional data in the unused region, and an additional data managing unit to locate the position of the additional data using the signature and checksum of the additional data. The method includes (a) searching for an unused region of a directory entry, (b) storing additional data in the unused region, and (c) locating the position of the additional data using the signature and checksum of the additional data. According to the present invention, additional data can be stored, used and managed utilizing unused regions of a directory entry without degrading the compatibility of the file system, and enhancing the performance of the FAT file system.
23 Citations
26 Claims
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1. An apparatus for storing and managing additional data in a file system, the apparatus comprising:
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a search unit which searches for an unused region in a directory entry;
a storage unit which stores additional data in the unused region; and
an additional data managing unit which locates a position of the additional data using a signature and a checksum of the additional data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of storing additional data in a file system, the method comprising:
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(a) searching for an unused region in a directory entry; and
(b) storing additional data in the unused region. - View Dependent Claims (15, 22, 23, 24, 25, 26)
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- 16. A method of managing additional data stored in a file system, comprising locating position of the additional data using a signature and a checksum of the additional data.
Specification