Commit c56b39cd authored by David Teigland's avatar David Teigland Committed by Steven Whitehouse
Browse files

[DLM] PATCH 3/3 dlm: show recover state 



Expose the current recovery state in sysfs to help in debugging.

Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 1c032c03

fs/dlm/lockspace.c

+13 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include "config.h"

#include "memory.h"

#include "lock.h"

#include "recover.h"



#ifdef CONFIG_DLM_DEBUG

int dlm_create_debug_file(struct dlm_ls *ls);
@@ -74,6 +75,12 @@ static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len) 
	return len;

}



static ssize_t dlm_recover_status_show(struct dlm_ls *ls, char *buf)

{

	uint32_t status = dlm_recover_status(ls);

	return sprintf(buf, "%x\n", status);

}



struct dlm_attr {

	struct attribute attr;

	ssize_t (*show)(struct dlm_ls *, char *);
@@ -96,10 +103,16 @@ static struct dlm_attr dlm_attr_id = { 
	.store = dlm_id_store

};



static struct dlm_attr dlm_attr_recover_status = {

	.attr  = {.name = "recover_status", .mode = S_IRUGO},

	.show  = dlm_recover_status_show

};



static struct attribute *dlm_attrs[] = {

	&dlm_attr_control.attr,

	&dlm_attr_event.attr,

	&dlm_attr_id.attr,

	&dlm_attr_recover_status.attr,

	NULL,

};