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US 2019/0294483 A1Published application
Patching system calls in data protection operations
AssigneeEMC IP Holding Company LLC
InventorsTushar P. Telichari, Vaibhav Jain
Life of this patent
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Abstract
Systems and methods for patching system calls issued on a device. System calls are patched by transforming system calls to provide additional functionality. The system calls can then be rerouted to the updated or custom functions.
Claims6
A method for patching a system call, the method comprising:
- backing up default functions of a block device associated with the system call in a backup copy of a block device operations structure, wherein the backup copy includes the default functions associated with the system call;
- associating the block device operations structure with custom functions associated with a specific application;
- and
- performing the custom functions when the system call is issued.
1 more element
Dependencies are inferred from the claim text.