sys.c File Reference

#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/module.h>
#include <linux/kobject.h>
#include <asm/uaccess.h>
#include <linux/gfs2_ondisk.h>
#include <linux/genhd.h>
#include "gfs2.h"
#include "incore.h"
#include "sys.h"
#include "super.h"
#include "glock.h"
#include "quota.h"
#include "util.h"
#include "glops.h"
#include "recovery.h"

Go to the source code of this file.

Data Structures
struct	gfs2_attr

Macros
#define	GFS2_ATTR(name, mode, show, store)   static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store)
#define	GDLM_ATTR(_name, _mode, _show, _store)   static struct gfs2_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)
#define	TUNE_ATTR_3(name, show, store)   static struct gfs2_attr tune_attr_##name = __ATTR(name, 0644, show, store)
#define	TUNE_ATTR_2(name, store)
#define	TUNE_ATTR(name, check_zero)

Functions
	GFS2_ATTR (id, 0444, id_show, NULL)
	GFS2_ATTR (fsname, 0444, fsname_show, NULL)
	GFS2_ATTR (uuid, 0444, uuid_show, NULL)
	GFS2_ATTR (freeze, 0644, freeze_show, freeze_store)
	GFS2_ATTR (withdraw, 0644, withdraw_show, withdraw_store)
	GFS2_ATTR (statfs_sync, 0200, NULL, statfs_sync_store)
	GFS2_ATTR (quota_sync, 0200, NULL, quota_sync_store)
	GFS2_ATTR (quota_refresh_user, 0200, NULL, quota_refresh_user_store)
	GFS2_ATTR (quota_refresh_group, 0200, NULL, quota_refresh_group_store)
	GFS2_ATTR (demote_rq, 0200, NULL, demote_rq_store)
int	gfs2_recover_set (struct gfs2_sbd *sdp, unsigned jid)
	GDLM_ATTR (proto_name, 0444, proto_name_show, NULL)
	GDLM_ATTR (block, 0644, block_show, block_store)
	GDLM_ATTR (withdraw, 0644, withdraw_show, withdraw_store)
	GDLM_ATTR (jid, 0644, jid_show, jid_store)
	GDLM_ATTR (first, 0644, lkfirst_show, lkfirst_store)
	GDLM_ATTR (first_done, 0444, first_done_show, NULL)
	GDLM_ATTR (recover, 0600, NULL, recover_store)
	GDLM_ATTR (recover_done, 0444, recover_done_show, NULL)
	GDLM_ATTR (recover_status, 0444, recover_status_show, NULL)
	TUNE_ATTR (quota_warn_period, 0)
	TUNE_ATTR (quota_quantum, 0)
	TUNE_ATTR (max_readahead, 0)
	TUNE_ATTR (complain_secs, 0)
	TUNE_ATTR (statfs_slow, 0)
	TUNE_ATTR (new_files_jdata, 0)
	TUNE_ATTR (quota_simul_sync, 1)
	TUNE_ATTR (statfs_quantum, 1)
	TUNE_ATTR_3 (quota_scale, quota_scale_show, quota_scale_store)
int	gfs2_sys_fs_add (struct gfs2_sbd *sdp)
void	gfs2_sys_fs_del (struct gfs2_sbd *sdp)
int	gfs2_sys_init (void)
void	gfs2_sys_uninit (void)

Macro Definition Documentation

#define GDLM_ATTR	(		_name,
			_mode,
			_show,
			_store
	)		static struct gfs2_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)

Definition at line 461 of file sys.c.

#define GFS2_ATTR	(		name,
			mode,
			show,
			store
	)		static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store)

Definition at line 251 of file sys.c.

#define TUNE_ATTR	(		name,
			check_zero
	)

Value:

static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\
{                                                                             \
    return tune_set(sdp, &sdp->sd_tune.gt_##name, check_zero, buf, len);  \
}                                                                             \
TUNE_ATTR_2(name, name##_store)

Definition at line 547 of file sys.c.

#define TUNE_ATTR_2	(		name,
			store
	)

Value:

static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf)                   \
{                                                                             \
    return snprintf(buf, PAGE_SIZE, "%u\n", sdp->sd_tune.gt_##name);      \
}                                                                             \
TUNE_ATTR_3(name, name##_show, store)

Definition at line 540 of file sys.c.

#define TUNE_ATTR_3	(		name,
			show,
			store
	)		static struct gfs2_attr tune_attr_##name = __ATTR(name, 0644, show, store)

Definition at line 537 of file sys.c.

Function Documentation

GDLM_ATTR	(	proto_name	,
		0444	,
		proto_name_show	,
		NULL
	)

GDLM_ATTR	(	block	,
		0644	,
		block_show	,
		block_store
	)

GDLM_ATTR	(	withdraw	,
		0644	,
		withdraw_show	,
		withdraw_store
	)

GDLM_ATTR	(	jid	,
		0644	,
		jid_show	,
		jid_store
	)

GDLM_ATTR	(	first	,
		0644	,
		lkfirst_show	,
		lkfirst_store
	)

GDLM_ATTR	(	first_done	,
		0444	,
		first_done_show	,
		NULL
	)

GDLM_ATTR	(	recover	,
		0600	,
		NULL	,
		recover_store
	)

GDLM_ATTR	(	recover_done	,
		0444	,
		recover_done_show	,
		NULL
	)

GDLM_ATTR	(	recover_status	,
		0444	,
		recover_status_show	,
		NULL
	)

GFS2_ATTR	(	id	,
		0444	,
		id_show	,
		NULL
	)

GFS2_ATTR	(	fsname	,
		0444	,
		fsname_show	,
		NULL
	)

GFS2_ATTR	(	uuid	,
		0444	,
		uuid_show	,
		NULL
	)

GFS2_ATTR	(	freeze	,
		0644	,
		freeze_show	,
		freeze_store
	)

GFS2_ATTR	(	withdraw	,
		0644	,
		withdraw_show	,
		withdraw_store
	)

GFS2_ATTR	(	statfs_sync	,
		0200	,
		NULL	,
		statfs_sync_store
	)

GFS2_ATTR	(	quota_sync	,
		0200	,
		NULL	,
		quota_sync_store
	)

GFS2_ATTR	(	quota_refresh_user	,
		0200	,
		NULL	,
		quota_refresh_user_store
	)

GFS2_ATTR	(	quota_refresh_group	,
		0200	,
		NULL	,
		quota_refresh_group_store
	)

GFS2_ATTR	(	demote_rq	,
		0200	,
		NULL	,
		demote_rq_store
	)

int gfs2_recover_set	(	struct gfs2_sbd *	sdp,
		unsigned	jid
	)

Definition at line 374 of file sys.c.

int gfs2_sys_fs_add

(

struct gfs2_sbd *

sdp

)

Definition at line 587 of file sys.c.

void gfs2_sys_fs_del

(

struct gfs2_sbd *

sdp

)

Definition at line 639 of file sys.c.

int gfs2_sys_init

(

void

)

Definition at line 667 of file sys.c.

void gfs2_sys_uninit

(

void

)

Definition at line 675 of file sys.c.

TUNE_ATTR	(	quota_warn_period	,
		0
	)

TUNE_ATTR	(	quota_quantum	,
		0
	)

TUNE_ATTR	(	max_readahead	,
		0
	)

TUNE_ATTR	(	complain_secs	,
		0
	)

TUNE_ATTR	(	statfs_slow	,
		0
	)

TUNE_ATTR	(	new_files_jdata	,
		0
	)

TUNE_ATTR	(	quota_simul_sync	,
		1
	)

TUNE_ATTR	(	statfs_quantum	,
		1
	)

TUNE_ATTR_3	(	quota_scale	,
		quota_scale_show	,
		quota_scale_store
	)