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staging/lustre/ldlm: move namespaces/lru_max_age to sysfs

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Move ldlm display of lru_max_age from procfs to sysfs

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin
2015-05-21 15:32:02 -04:00
committed by Greg Kroah-Hartman
parent 3dd4598271
commit c841236dda
2 changed files with 35 additions and 2 deletions
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30
drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
View File

@@ -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);

7
drivers/staging/lustre/sysfs-fs-lustre
View File

@@ -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@intel.com>
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@intel.com>