[RFC PATCH 1/3] target: remove unused session digest-errors metric

[David Disseldorp]

Signed-off-by: David Disseldorp <dd...@suse.de>
---
 drivers/target/iscsi/iscsi_target_stat.c | 14 +-------------
 include/target/iscsi/iscsi_target_stat.h |  2 --
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/target/iscsi/iscsi_target_stat.c 
b/drivers/target/iscsi/iscsi_target_stat.c
index df0a39811dc2..ce60d123aa90 100644
--- a/drivers/target/iscsi/iscsi_target_stat.c
+++ b/drivers/target/iscsi/iscsi_target_stat.c
@@ -103,8 +103,7 @@ static ssize_t iscsi_stat_instance_fail_sess_show(struct 
config_item *item,
        u32 sess_err_count;
 
        spin_lock_bh(&sess_err->lock);
-       sess_err_count = (sess_err->digest_errors +
-                         sess_err->cxn_timeout_errors +
+       sess_err_count = (sess_err->cxn_timeout_errors +
                          sess_err->pdu_format_errors);
        spin_unlock_bh(&sess_err->lock);
 
@@ -209,15 +208,6 @@ static ssize_t iscsi_stat_sess_err_inst_show(struct 
config_item *item,
                iscsi_sess_err_tiqn(item)->tiqn_index);
 }
 
-static ssize_t iscsi_stat_sess_err_digest_errors_show(struct config_item *item,
-               char *page)
-{
-       struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
-       struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
-
-       return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
-}
-
 static ssize_t iscsi_stat_sess_err_cxn_errors_show(struct config_item *item,
                char *page)
 {
@@ -237,13 +227,11 @@ static ssize_t 
iscsi_stat_sess_err_format_errors_show(struct config_item *item,
 }
 
 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, inst);
-CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, digest_errors);
 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, cxn_errors);
 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, format_errors);
 
 static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
        &iscsi_stat_sess_err_attr_inst,
-       &iscsi_stat_sess_err_attr_digest_errors,
        &iscsi_stat_sess_err_attr_cxn_errors,
        &iscsi_stat_sess_err_attr_format_errors,
        NULL,
diff --git a/include/target/iscsi/iscsi_target_stat.h 
b/include/target/iscsi/iscsi_target_stat.h
index 4d75a2c426ca..b2d0f190483d 100644
--- a/include/target/iscsi/iscsi_target_stat.h
+++ b/include/target/iscsi/iscsi_target_stat.h
@@ -22,14 +22,12 @@ extern const struct config_item_type iscsi_stat_sess_cit;
 
 /* iSCSI session error types */
 #define ISCSI_SESS_ERR_UNKNOWN         0
-#define ISCSI_SESS_ERR_DIGEST          1
 #define ISCSI_SESS_ERR_CXN_TIMEOUT     2
 #define ISCSI_SESS_ERR_PDU_FORMAT      3
 
 /* iSCSI session error stats */
 struct iscsi_sess_err_stats {
        spinlock_t      lock;
-       u32             digest_errors;
        u32             cxn_timeout_errors;
        u32             pdu_format_errors;
        u32             last_sess_failure_type;
-- 
2.13.7