Patent ID: 8738823

Claim:
A computer program product for processing operations directed to a storage, wherein the computer program product comprises a tangible computer readable storage medium having computer readable program code embodied therein that executes to cause operations, the operations comprising: receiving a requested operation to a subset of addresses in the storage that requires that Input/Output (I/O) requests to the subset of addresses received following the requested operation be quiesced; indicating the subset of addresses in quiesce information; quiescing I/O requests received following the receiving of the requested operation when one address subject to the I/O request is included in the subset of addresses; determining whether there are in-progress I/O requests pending against the subset of addresses when the requested operation was received; indicating the requested operation as executable in response to determining that there are no in-progress I/O requests against the subset of addresses; and executing one of the quiesced I/O requests in response to determining that no address subject to the quiesced I/O request is included in the subset of addresses indicated in the quiesce information.