From d43f5e5709c02dce6447bb7b1ed572b48fd9336e Mon Sep 17 00:00:00 2001
From: David Disseldorp <ddiss@suse.de>
Date: Tue, 1 Sep 2015 19:50:50 +0200
Subject: [PATCH] target/rbd: add stubbed out pr_read_full_status
Patch-mainline: Not yet, SES2 clustered LIO/RBD
References: fate#318836
Add a tcm_rbd_pr_ops handler for PR READ FULL STATUS requests. This
operation is currently unsupported by the RBD backend.
Signed-off-by: David Disseldorp <ddiss@suse.de>
---
drivers/target/target_core_rbd.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/target/target_core_rbd.c
+++ b/drivers/target/target_core_rbd.c
@@ -1656,6 +1656,14 @@ tcm_rbd_execute_pr_report_capabilities(s
return TCM_NO_SENSE;
}
+static sense_reason_t
+tcm_rbd_execute_pr_read_full_status(struct se_cmd *cmd, unsigned char *buf,
+ u32 buf_len)
+{
+ pr_err("READ FULL STATUS not supported by RBD backend\n");
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+}
+
/* handle PR registration for a currently unregistered I_T nexus */
static sense_reason_t
tcm_rbd_execute_pr_register_new(struct tcm_rbd_pr_info *pr_info, u64 old_key,
@@ -2443,6 +2451,7 @@ static struct target_pr_ops tcm_rbd_pr_o
.pr_read_keys = tcm_rbd_execute_pr_read_keys,
.pr_read_reservation = tcm_rbd_execute_pr_read_reservation,
.pr_report_capabilities = tcm_rbd_execute_pr_report_capabilities,
+ .pr_read_full_status = tcm_rbd_execute_pr_read_full_status,
.pr_register = tcm_rbd_execute_pr_register,
.pr_reserve = tcm_rbd_execute_pr_reserve,