[PATCH v2 08/11] mpt3sas: set EEDP-escape-flags for SAS35 devices.

2016-10-26 Thread Suganath Prabu S
An UNMAP command on a PI formatted device will leave the Logical Block Application Tag and Logical Block Reference Tag as all F's (for those LBAs that are unmapped). To avoid IO errors if those LBAs are subsequently read before they are written with valid tag fields, the MPI SCSI IO requests need

[PATCH v2 08/11] mpt3sas: set EEDP-escape-flags for SAS35 devices.

2016-10-26 Thread Suganath Prabu S
An UNMAP command on a PI formatted device will leave the Logical Block Application Tag and Logical Block Reference Tag as all F's (for those LBAs that are unmapped). To avoid IO errors if those LBAs are subsequently read before they are written with valid tag fields, the MPI SCSI IO requests need