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path: root/drivers/target/target_core_pr.c
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Diffstat (limited to 'drivers/target/target_core_pr.c')
-rw-r--r--drivers/target/target_core_pr.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index d56f2aaba9af..283cf786ef98 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -528,6 +528,18 @@ 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),