From: Lee Duncan <[email protected]> For PGR reservation type Exclusive Access, allow all registrants to read from the device.
Signed-off-by: Lee Duncan <[email protected]> Cc: Nicholas Bellinger <[email protected]> --- drivers/target/target_core_pr.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 85564998500a..cb762b174c08 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -551,6 +551,18 @@ static int core_scsi3_pr_seq_non_holder( return 0; } + } else if (we && registered_nexus) { + /* + * Reads are allowed for Write Exclusive locks + * from all registrants. + */ + if (cmd->data_direction == DMA_FROM_DEVICE) { + pr_debug("Allowing READ CDB: 0x%02x for %s" + " reservation\n", cdb[0], + core_scsi3_pr_dump_type(pr_reg_type)); + + return 0; + } } pr_debug("%s Conflict for %sregistered nexus %s CDB: 0x%2x" " for %s reservation\n", transport_dump_cmd_direction(cmd), -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
