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Commit b40881e5 authored by Oleg Drokin's avatar Oleg Drokin Committed by Greg Kroah-Hartman
Browse files

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: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 673a6796

drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c

+17 −16
Original line number Diff line number Diff line
@@ -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;

	struct ptlrpc_service *svc = container_of(kobj, struct ptlrpc_service,

						  srv_kobj);

	int rc;

	int	val;

	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},

drivers/staging/lustre/sysfs-fs-lustre

+7 −0
Original line number Diff line number Diff line
@@ -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.