From: Oleg Drokin <green@xxxxxxxxxxxxxx>
Move ldlm display of lru_max_age from procfs to sysfs
Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
---
drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 30 ++++++++++++++++++++--
drivers/staging/lustre/sysfs-fs-lustre | 7 +++++
2 files changed, 35 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
index fba09e4..9fab434 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
@@ -287,6 +287,33 @@ static ssize_t lru_size_store(struct kobject *kobj, struct attribute *attr,
}
LUSTRE_RW_ATTR(lru_size);
+static ssize_t lru_max_age_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
+ ns_kobj);
+
+ return sprintf(buf, "%u", ns->ns_max_age);
+}
+
+static ssize_t lru_max_age_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
+{
+ struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
+ ns_kobj);
+ unsigned long tmp;
+ int err;
+
+ err = kstrtoul(buffer, 10, &tmp);
+ if (err != 0)
+ return -EINVAL;
+
+ ns->ns_max_age = tmp;
+
+ return count;
+}
+LUSTRE_RW_ATTR(lru_max_age);
+
static ssize_t early_lock_cancel_show(struct kobject *kobj,
struct attribute *attr,
char *buf)
@@ -325,6 +352,7 @@ static struct attribute *ldlm_ns_attrs[] = {
&lustre_attr_lock_count.attr,
&lustre_attr_lock_unused_count.attr,
&lustre_attr_lru_size.attr,
+ &lustre_attr_lru_max_age.attr,
&lustre_attr_early_lock_cancel.attr,
NULL,
};
@@ -414,8 +442,6 @@ int ldlm_namespace_proc_register(struct ldlm_namespace *ns)
lock_vars[0].name = lock_name;
if (ns_is_client(ns)) {
- LDLM_NS_ADD_VAR("lru_max_age", &ns->ns_max_age,
- &ldlm_rw_uint_fops);
} else {
LDLM_NS_ADD_VAR("ctime_age_limit", &ns->ns_ctime_age_limit,
&ldlm_rw_uint_fops);
diff --git a/drivers/staging/lustre/sysfs-fs-lustre b/drivers/staging/lustre/sysfs-fs-lustre
index f92f7cf..3aaa5ae 100644
--- a/drivers/staging/lustre/sysfs-fs-lustre
+++ b/drivers/staging/lustre/sysfs-fs-lustre
@@ -230,6 +230,13 @@ Description:
Display number of locks currently sitting in the LRU list
of this namespace
+What: /sys/fs/lustre/ldlm/namespaces/<name>/lru_max_age
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Maximum number of milliseconds a lock could sit in LRU list
+ before client would voluntarily cancel it as unused.
+
What: /sys/fs/lustre/ldlm/namespaces/<name>/early_lock_cancel
Date: May 2015
Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
--
2.1.0
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