const char __user *buffer, size_t count,
loff_t *off)
{
+ struct seq_file *m = file->private_data;
u64 value;
__u64 watermark;
- __u64 *data = ((struct seq_file *)file->private_data)->private;
+ __u64 *data = m->private;
bool wm_low = (data == &ldlm_reclaim_threshold_mb) ? true : false;
char kernbuf[22] = "";
int rc;
int ldlm_debugfs_setup(void)
{
- int rc;
-
ENTRY;
- ldlm_debugfs_dir = ldebugfs_register(OBD_LDLM_DEVICENAME,
- debugfs_lustre_root,
- NULL, NULL);
- if (IS_ERR_OR_NULL(ldlm_debugfs_dir)) {
- CERROR("LDebugFS failed in ldlm-init\n");
- rc = ldlm_debugfs_dir ? PTR_ERR(ldlm_debugfs_dir) : -ENOMEM;
- ldlm_debugfs_dir = NULL;
- GOTO(err, rc);
- }
-
- ldlm_ns_debugfs_dir = ldebugfs_register("namespaces",
- ldlm_debugfs_dir,
- NULL, NULL);
- if (IS_ERR_OR_NULL(ldlm_ns_debugfs_dir)) {
- CERROR("LProcFS failed in ldlm-init\n");
- rc = ldlm_ns_debugfs_dir ? PTR_ERR(ldlm_ns_debugfs_dir)
- : -ENOMEM;
- GOTO(err, rc);
- }
-
- ldlm_svc_debugfs_dir = ldebugfs_register("services",
- ldlm_debugfs_dir,
- NULL, NULL);
- if (IS_ERR_OR_NULL(ldlm_svc_debugfs_dir)) {
- CERROR("LProcFS failed in ldlm-init\n");
- rc = ldlm_svc_debugfs_dir ? PTR_ERR(ldlm_svc_debugfs_dir)
- : -ENOMEM;
- GOTO(err, rc);
- }
+ ldlm_debugfs_dir = debugfs_create_dir(OBD_LDLM_DEVICENAME,
+ debugfs_lustre_root);
+ ldlm_ns_debugfs_dir = debugfs_create_dir("namespaces",
+ ldlm_debugfs_dir);
+ ldlm_svc_debugfs_dir = debugfs_create_dir("services",
+ ldlm_debugfs_dir);
- rc = ldebugfs_add_vars(ldlm_debugfs_dir, ldlm_debugfs_list, NULL);
- if (rc != 0) {
- CERROR("LProcFS failed in ldlm-init\n");
- GOTO(err, rc);
- }
+ ldebugfs_add_vars(ldlm_debugfs_dir, ldlm_debugfs_list, NULL);
RETURN(0);
-
-err:
- debugfs_remove_recursive(ldlm_debugfs_dir);
- ldlm_svc_debugfs_dir = NULL;
- ldlm_ns_debugfs_dir = NULL;
- ldlm_debugfs_dir = NULL;
- RETURN(rc);
}
void ldlm_debugfs_cleanup(void)
struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
ns_kobj);
- return sprintf(buf, "%llu\n", ns->ns_dirty_age_limit);
+ return snprintf(buf, PAGE_SIZE, "%llu\n",
+ ktime_divns(ns->ns_dirty_age_limit, NSEC_PER_SEC));
}
static ssize_t dirty_age_limit_store(struct kobject *kobj,
if (kstrtoull(buffer, 10, &tmp))
return -EINVAL;
- ns->ns_dirty_age_limit = tmp;
+ ns->ns_dirty_age_limit = ktime_set(tmp, 0);
return count;
}
struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
ns_kobj);
- return sprintf(buf, "%llu\n", ns->ns_ctime_age_limit);
+ return snprintf(buf, PAGE_SIZE, "%u\n", ns->ns_ctime_age_limit);
}
static ssize_t ctime_age_limit_store(struct kobject *kobj,
{
struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
ns_kobj);
- unsigned long long tmp;
+ unsigned long tmp;
- if (kstrtoull(buffer, 10, &tmp))
+ if (kstrtoul(buffer, 10, &tmp))
return -EINVAL;
ns->ns_ctime_age_limit = tmp;
struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
ns_kobj);
- return sprintf(buf, "%llu\n", ns->ns_contention_time);
+ return scnprintf(buf, PAGE_SIZE, "%d\n", ns->ns_contention_time);
}
static ssize_t contention_seconds_store(struct kobject *kobj,
{
struct ldlm_namespace *ns = container_of(kobj, struct ldlm_namespace,
ns_kobj);
- unsigned long long tmp;
+ unsigned int tmp;
- if (kstrtoull(buffer, 10, &tmp))
+ if (kstrtouint(buffer, 10, &tmp))
return -EINVAL;
ns->ns_contention_time = tmp;
.hs_put = ldlm_res_hop_put
};
-typedef struct ldlm_ns_hash_def {
- enum ldlm_ns_type nsd_type;
+static struct {
/** hash bucket bits */
unsigned nsd_bkt_bits;
/** hash bits */
unsigned nsd_all_bits;
- /** hash operations */
- struct cfs_hash_ops *nsd_hops;
-} ldlm_ns_hash_def_t;
-
-static struct ldlm_ns_hash_def ldlm_ns_hash_defs[] =
-{
- {
- .nsd_type = LDLM_NS_TYPE_MDC,
+} ldlm_ns_hash_defs[] = {
+ [LDLM_NS_TYPE_MDC] = {
.nsd_bkt_bits = 11,
.nsd_all_bits = 16,
- .nsd_hops = &ldlm_ns_hash_ops,
},
- {
- .nsd_type = LDLM_NS_TYPE_MDT,
+ [LDLM_NS_TYPE_MDT] = {
.nsd_bkt_bits = 14,
.nsd_all_bits = 21,
- .nsd_hops = &ldlm_ns_hash_ops,
},
- {
- .nsd_type = LDLM_NS_TYPE_OSC,
+ [LDLM_NS_TYPE_OSC] = {
.nsd_bkt_bits = 8,
.nsd_all_bits = 12,
- .nsd_hops = &ldlm_ns_hash_ops,
},
- {
- .nsd_type = LDLM_NS_TYPE_OST,
+ [LDLM_NS_TYPE_OST] = {
.nsd_bkt_bits = 11,
.nsd_all_bits = 17,
- .nsd_hops = &ldlm_ns_hash_ops,
},
- {
- .nsd_type = LDLM_NS_TYPE_MGC,
+ [LDLM_NS_TYPE_MGC] = {
.nsd_bkt_bits = 3,
.nsd_all_bits = 4,
- .nsd_hops = &ldlm_ns_hash_ops,
},
- {
- .nsd_type = LDLM_NS_TYPE_MGT,
+ [LDLM_NS_TYPE_MGT] = {
.nsd_bkt_bits = 3,
.nsd_all_bits = 4,
- .nsd_hops = &ldlm_ns_hash_ops,
- },
- {
- .nsd_type = LDLM_NS_TYPE_UNKNOWN,
},
};
enum ldlm_ns_type ns_type)
{
struct ldlm_namespace *ns = NULL;
- struct ldlm_ns_hash_def *nsd;
int idx;
int rc;
RETURN(NULL);
}
- for (idx = 0; ; idx++) {
- nsd = &ldlm_ns_hash_defs[idx];
- if (nsd->nsd_type == LDLM_NS_TYPE_UNKNOWN) {
- CERROR("Unknown type %d for ns %s\n", ns_type, name);
- GOTO(out_ref, NULL);
- }
-
- if (nsd->nsd_type == ns_type)
- break;
+ if (ns_type >= ARRAY_SIZE(ldlm_ns_hash_defs) ||
+ ldlm_ns_hash_defs[ns_type].nsd_bkt_bits == 0) {
+ CERROR("Unknown type %d for ns %s\n", ns_type, name);
+ GOTO(out_ref, NULL);
}
OBD_ALLOC_PTR(ns);
GOTO(out_ref, NULL);
ns->ns_rs_hash = cfs_hash_create(name,
- nsd->nsd_all_bits, nsd->nsd_all_bits,
- nsd->nsd_bkt_bits, 0,
+ ldlm_ns_hash_defs[ns_type].nsd_all_bits,
+ ldlm_ns_hash_defs[ns_type].nsd_all_bits,
+ ldlm_ns_hash_defs[ns_type].nsd_bkt_bits,
+ 0,
CFS_HASH_MIN_THETA,
CFS_HASH_MAX_THETA,
- nsd->nsd_hops,
+ &ldlm_ns_hash_ops,
CFS_HASH_DEPTH |
CFS_HASH_BIGNAME |
CFS_HASH_SPIN_BKTLOCK |
if (ns->ns_rs_hash == NULL)
GOTO(out_ns, NULL);
- ns->ns_bucket_bits = nsd->nsd_all_bits - nsd->nsd_bkt_bits;
- OBD_ALLOC_LARGE(ns->ns_rs_buckets,
- BIT(ns->ns_bucket_bits) * sizeof(ns->ns_rs_buckets[0]));
+ ns->ns_bucket_bits = ldlm_ns_hash_defs[ns_type].nsd_all_bits -
+ ldlm_ns_hash_defs[ns_type].nsd_bkt_bits;
+
+ OBD_ALLOC_PTR_ARRAY_LARGE(ns->ns_rs_buckets, 1 << ns->ns_bucket_bits);
if (!ns->ns_rs_buckets)
goto out_hash;
ns->ns_max_unused = LDLM_DEFAULT_LRU_SIZE;
ns->ns_max_age = ktime_set(LDLM_DEFAULT_MAX_ALIVE, 0);
ns->ns_ctime_age_limit = LDLM_CTIME_AGE_LIMIT;
- ns->ns_dirty_age_limit = LDLM_DIRTY_AGE_LIMIT;
+ ns->ns_dirty_age_limit = ktime_set(LDLM_DIRTY_AGE_LIMIT, 0);
ns->ns_timeouts = 0;
ns->ns_orig_connect_flags = 0;
ns->ns_connect_flags = 0;
ldlm_namespace_sysfs_unregister(ns);
ldlm_namespace_cleanup(ns, 0);
out_hash:
- OBD_FREE_LARGE(ns->ns_rs_buckets,
- BIT(ns->ns_bucket_bits) * sizeof(ns->ns_rs_buckets[0]));
+ OBD_FREE_PTR_ARRAY_LARGE(ns->ns_rs_buckets, 1 << ns->ns_bucket_bits);
kfree(ns->ns_name);
cfs_hash_putref(ns->ns_rs_hash);
out_ns:
*/
unlock_res(res);
LDLM_DEBUG(lock, "setting FL_LOCAL_ONLY");
- if (lock->l_flags & LDLM_FL_FAIL_LOC) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(cfs_time_seconds(4));
- set_current_state(TASK_RUNNING);
- }
+ if (lock->l_flags & LDLM_FL_FAIL_LOC)
+ schedule_timeout_uninterruptible(
+ cfs_time_seconds(4));
+
if (lock->l_completion_ast)
lock->l_completion_ast(lock,
LDLM_FL_FAILED, NULL);
ldlm_namespace_debugfs_unregister(ns);
ldlm_namespace_sysfs_unregister(ns);
cfs_hash_putref(ns->ns_rs_hash);
- OBD_FREE_LARGE(ns->ns_rs_buckets,
- BIT(ns->ns_bucket_bits) * sizeof(ns->ns_rs_buckets[0]));
+ OBD_FREE_PTR_ARRAY_LARGE(ns->ns_rs_buckets, 1 << ns->ns_bucket_bits);
kfree(ns->ns_name);
/* Namespace \a ns should be not on list at this time, otherwise
* this will cause issues related to using freed \a ns in poold
git://git.whamcloud.com / fs / lustre-release.git / blobdiff