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Code Issues Releases Wiki Activity

staging/lustre/ldlm: move cancel_unused_locks_before_replay to sysfs

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/proc/fs/lustre/ldlm/cancel_unused_locks_before_replay is
moved to /sys/fs/lustre/ldlm/cancel_unused_locks_before_replay

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 15:31:56 -04:00 committed by Greg Kroah-Hartman
parent 18fd8850a4
commit 0f53c823f9
3 changed files with 38 additions and 5 deletions
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29
drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
View file

@ -1006,8 +1006,35 @@ void ldlm_destroy_export(struct obd_export *exp)
}
EXPORT_SYMBOL(ldlm_destroy_export);
extern unsigned int ldlm_cancel_unused_locks_before_replay;
static ssize_t cancel_unused_locks_before_replay_show(struct kobject *kobj,
struct attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", ldlm_cancel_unused_locks_before_replay);
}
static ssize_t cancel_unused_locks_before_replay_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer,
size_t count)
{
int rc;
unsigned long val;
rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
ldlm_cancel_unused_locks_before_replay = val;
return count;
}
LUSTRE_RW_ATTR(cancel_unused_locks_before_replay);
/* These are for root of /sys/fs/lustre/ldlm */
struct attribute *ldlm_attrs[] = {
static struct attribute *ldlm_attrs[] = {
&lustre_attr_cancel_unused_locks_before_replay.attr,
NULL,
};

4
drivers/staging/lustre/lustre/ldlm/ldlm_resource.c
View file

@ -65,8 +65,6 @@ struct proc_dir_entry *ldlm_type_proc_dir = NULL;
static struct proc_dir_entry *ldlm_ns_proc_dir = NULL;
struct proc_dir_entry *ldlm_svc_proc_dir = NULL;
extern unsigned int ldlm_cancel_unused_locks_before_replay;
/* during debug dump certain amount of granted locks for one resource to avoid
* DDOS. */
unsigned int ldlm_dump_granted_max = 256;
@ -91,8 +89,6 @@ int ldlm_proc_setup(void)
{ "dump_namespaces", &ldlm_dump_ns_fops, NULL, 0222 },
{ "dump_granted_max", &ldlm_rw_uint_fops,
&ldlm_dump_granted_max },
{ "cancel_unused_locks_before_replay", &ldlm_rw_uint_fops,
&ldlm_cancel_unused_locks_before_replay },
{ NULL } };
LASSERT(ldlm_ns_proc_dir == NULL);

10
drivers/staging/lustre/sysfs-fs-lustre
View file

@ -190,3 +190,13 @@ Contact: "Oleg Drokin" <oleg.drokin@intel.com>
Description:
Controls extended attributes client-side cache.
1 to enable, 0 to disable.
What: /sys/fs/lustre/ldlm/cancel_unused_locks_before_replay
Date: May 2015
Contact: "Oleg Drokin" <oleg.drokin@intel.com>
Description:
Controls if client should replay unused locks during recovery
If a client tends to have a lot of unused locks in LRU,
recovery times might become prolonged.
1 - just locally cancel unused locks (default)
0 - replay unused locks.