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staging/lustre/ptlrpc: move procfs high_priority_ratio file to sysfs 

Move ptlrpc service high_priority_ratio entry from procfs to sysfs.
Currently in use only by ldlm callback service only in
/sys/fs/lustre/ldlm/services/ldlm_cbd/

Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Oleg Drokin 2015-05-21 15:32:10 -04:00 committed by Greg Kroah-Hartman
parent 673a6796f2
commit b40881e579
2 changed files with 24 additions and 16 deletions
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33
drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
View File

@ -1018,23 +1018,26 @@ static int ptlrpc_lprocfs_timeouts_seq_show(struct seq_file *m, void *n)
}
LPROC_SEQ_FOPS_RO(ptlrpc_lprocfs_timeouts);
static int ptlrpc_lprocfs_hp_ratio_seq_show(struct seq_file *m, void *v)
static ssize_t high_priority_ratio_show(struct kobject *kobj,
struct attribute *attr,
char *buf)
{
struct ptlrpc_service *svc = m->private;
seq_printf(m, "%d", svc->srv_hpreq_ratio);
return 0;
struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
srv_kobj);
return sprintf(buf, "%d\n", svc->srv_hpreq_ratio);
}
static ssize_t ptlrpc_lprocfs_hp_ratio_seq_write(struct file *file,
const char __user *buffer,
size_t count,
loff_t *off)
static ssize_t high_priority_ratio_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer,
size_t count)
{
struct ptlrpc_service *svc = ((struct seq_file *)file->private_data)->private;
int rc;
int val;
struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,
srv_kobj);
int rc;
unsigned long val;
rc = lprocfs_write_helper(buffer, count, &val);
rc = kstrtoul(buffer, 10, &val);
if (rc < 0)
return rc;
@ -1047,12 +1050,13 @@ static ssize_t ptlrpc_lprocfs_hp_ratio_seq_write(struct file *file,
return count;
}
LPROC_SEQ_FOPS(ptlrpc_lprocfs_hp_ratio);
LUSTRE_RW_ATTR(high_priority_ratio);
static struct attribute *ptlrpc_svc_attrs[] = {
&lustre_attr_threads_min.attr,
&lustre_attr_threads_started.attr,
&lustre_attr_threads_max.attr,
&lustre_attr_high_priority_ratio.attr,
NULL,
};
@ -1096,9 +1100,6 @@ void ptlrpc_lprocfs_register_service(struct proc_dir_entry *entry,
struct ptlrpc_service *svc)
{
struct lprocfs_vars lproc_vars[] = {
{.name = "high_priority_ratio",
.fops = &ptlrpc_lprocfs_hp_ratio_fops,
.data = svc},
{.name = "req_buffer_history_len",
.fops = &ptlrpc_lprocfs_req_history_len_fops,
.data = svc},

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

@ -329,3 +329,10 @@ Date: May 2015
Contact: "Oleg Drokin" <oleg.drokin@intel.com>
Description:
Shows actual number of ldlm callback threads running.
What: /sys/fs/lustre/ldlm/services/ldlm_cbd/high_priority_ratio
Date: May 2015
Contact: "Oleg Drokin" <oleg.drokin@intel.com>
Description:
Controls what percentage of ldlm callback threads is dedicated
to "high priority" incoming requests.