[mirror_ubuntu-artful-kernel.git] / fs / xfs / xfs_super.h

/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XFS_SUPER_H__
#define __XFS_SUPER_H__

#include <linux/exportfs.h>

#ifdef CONFIG_XFS_QUOTA
extern int xfs_qm_init(void);
extern void xfs_qm_exit(void);
#else
# define xfs_qm_init()	(0)
# define xfs_qm_exit()	do { } while (0)
#endif

#ifdef CONFIG_XFS_POSIX_ACL
# define XFS_ACL_STRING		"ACLs, "
# define set_posix_acl_flag(sb)	((sb)->s_flags |= MS_POSIXACL)
#else
# define XFS_ACL_STRING
# define set_posix_acl_flag(sb)	do { } while (0)
#endif

#define XFS_SECURITY_STRING	"security attributes, "

#ifdef CONFIG_XFS_RT
# define XFS_REALTIME_STRING	"realtime, "
#else
# define XFS_REALTIME_STRING
#endif

#ifdef DEBUG
# define XFS_DBG_STRING		"debug"
#else
# define XFS_DBG_STRING		"no debug"
#endif

#define XFS_VERSION_STRING	"SGI XFS"
#define XFS_BUILD_OPTIONS	XFS_ACL_STRING \
				XFS_SECURITY_STRING \
				XFS_REALTIME_STRING \
				XFS_DBG_STRING /* DBG must be last */

struct xfs_inode;
struct xfs_mount;
struct xfs_buftarg;
struct block_device;

extern void xfs_quiesce_attr(struct xfs_mount *mp);
extern void xfs_flush_inodes(struct xfs_mount *mp);
extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
					   xfs_agnumber_t agcount);

extern const struct export_operations xfs_export_operations;
extern const struct xattr_handler *xfs_xattr_handlers[];
extern const struct quotactl_ops xfs_quotactl_operations;

extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);

extern struct workqueue_struct *xfs_discard_wq;

#define XFS_M(sb)		((struct xfs_mount *)((sb)->s_fs_info))

#endif	/* __XFS_SUPER_H__ */
Commit	Line	Data
1da177e4	1	/*
7b718769 NS	2	* Copyright (c) 2000-2005 Silicon Graphics, Inc.
7b718769 NS	3	* All Rights Reserved.
1da177e4	4	*
7b718769 NS	5	* This program is free software; you can redistribute it and/or
7b718769 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7b718769 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
1da177e4	13	*
7b718769 NS	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4 LT	17	*/
	18	#ifndef __XFS_SUPER_H__
	19	#define __XFS_SUPER_H__
	20
a5694255 CH	21	#include <linux/exportfs.h>
a5694255 CH	22
1da177e4	23	#ifdef CONFIG_XFS_QUOTA
a05931ce	24	extern int xfs_qm_init(void);
1da177e4	25	extern void xfs_qm_exit(void);
1da177e4	26	#else
a05931ce CH	27	# define xfs_qm_init() (0)
a05931ce CH	28	# define xfs_qm_exit() do { } while (0)
1da177e4 LT	29	#endif
	30
	31	#ifdef CONFIG_XFS_POSIX_ACL
	32	# define XFS_ACL_STRING "ACLs, "
	33	# define set_posix_acl_flag(sb) ((sb)->s_flags \|= MS_POSIXACL)
	34	#else
	35	# define XFS_ACL_STRING
	36	# define set_posix_acl_flag(sb) do { } while (0)
	37	#endif
	38
f7d3c347	39	#define XFS_SECURITY_STRING "security attributes, "
1da177e4 LT	40
	41	#ifdef CONFIG_XFS_RT
	42	# define XFS_REALTIME_STRING "realtime, "
	43	#else
	44	# define XFS_REALTIME_STRING
	45	#endif
	46
1da177e4 LT	47	#ifdef DEBUG
	48	# define XFS_DBG_STRING "debug"
	49	#else
	50	# define XFS_DBG_STRING "no debug"
	51	#endif
	52
668332e5	53	#define XFS_VERSION_STRING "SGI XFS"
1da177e4 LT	54	#define XFS_BUILD_OPTIONS XFS_ACL_STRING \
	55	XFS_SECURITY_STRING \
	56	XFS_REALTIME_STRING \
1da177e4 LT	57	XFS_DBG_STRING /* DBG must be last */
1da177e4 LT	58
1da177e4 LT	59	struct xfs_inode;
	60	struct xfs_mount;
	61	struct xfs_buftarg;
	62	struct block_device;
	63
ddeb14f4	64	extern void xfs_quiesce_attr(struct xfs_mount *mp);
9aa05000	65	extern void xfs_flush_inodes(struct xfs_mount *mp);
f538d4da	66	extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
12c3f05c ES	67	extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
12c3f05c ES	68	xfs_agnumber_t agcount);
1da177e4	69
39655164	70	extern const struct export_operations xfs_export_operations;
46e58764	71	extern const struct xattr_handler *xfs_xattr_handlers[];
0d54b217	72	extern const struct quotactl_ops xfs_quotactl_operations;
1da177e4	73
5681ca40 DC	74	extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
5681ca40 DC	75
4560e78f CH	76	extern struct workqueue_struct *xfs_discard_wq;
4560e78f CH	77
b267ce99	78	#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
b09cc771	79
1da177e4	80	#endif /* __XFS_SUPER_H__ */