diff options
| -rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 30 | ||||
| -rw-r--r-- | 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 fba09e454dce..9fab434572e7 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 f92f7cf65e7e..3aaa5ae9e0c4 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@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> |