[linux-block.git] / fs / xfs / xfs_rtalloc.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */
#ifndef __XFS_RTALLOC_H__
#define	__XFS_RTALLOC_H__

/* kernel only definitions and functions */

struct xfs_mount;
struct xfs_trans;

#ifdef CONFIG_XFS_RT
/*
 * Initialize realtime fields in the mount structure.
 */
int					/* error */
xfs_rtmount_init(
	struct xfs_mount	*mp);	/* file system mount structure */
void
xfs_rtunmount_inodes(
	struct xfs_mount	*mp);

/*
 * Get the bitmap and summary inodes into the mount structure
 * at mount time.
 */
int					/* error */
xfs_rtmount_inodes(
	struct xfs_mount	*mp);	/* file system mount structure */

/*
 * Grow the realtime area of the filesystem.
 */
int
xfs_growfs_rt(
	struct xfs_mount	*mp,	/* file system mount structure */
	xfs_growfs_rt_t		*in);	/* user supplied growfs struct */

int xfs_rtalloc_reinit_frextents(struct xfs_mount *mp);
#else
# define xfs_growfs_rt(mp,in)				(-ENOSYS)
# define xfs_rtalloc_reinit_frextents(m)		(0)
static inline int		/* error */
xfs_rtmount_init(
	xfs_mount_t	*mp)	/* file system mount structure */
{
	if (mp->m_sb.sb_rblocks == 0)
		return 0;

	xfs_warn(mp, "Not built with CONFIG_XFS_RT");
	return -ENOSYS;
}
# define xfs_rtmount_inodes(m)  (((mp)->m_sb.sb_rblocks == 0)? 0 : (-ENOSYS))
# define xfs_rtunmount_inodes(m)
#endif	/* CONFIG_XFS_RT */

#endif	/* __XFS_RTALLOC_H__ */
Commit	Line	Data
0b61f8a4	1	// SPDX-License-Identifier: GPL-2.0
1da177e4	2	/*
7b718769 NS	3	* Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
7b718769 NS	4	* All Rights Reserved.
1da177e4 LT	5	*/
	6	#ifndef __XFS_RTALLOC_H__
	7	#define __XFS_RTALLOC_H__
	8
c7298202 DC	9	/* kernel only definitions and functions */
c7298202 DC	10
1da177e4 LT	11	struct xfs_mount;
	12	struct xfs_trans;
	13
1da177e4	14	#ifdef CONFIG_XFS_RT
1da177e4 LT	15	/*
	16	* Initialize realtime fields in the mount structure.
	17	*/
	18	int /* error */
	19	xfs_rtmount_init(
	20	struct xfs_mount mp); / file system mount structure */
b93b6e43 CH	21	void
	22	xfs_rtunmount_inodes(
	23	struct xfs_mount *mp);
1da177e4 LT	24
	25	/*
	26	* Get the bitmap and summary inodes into the mount structure
	27	* at mount time.
	28	*/
	29	int /* error */
	30	xfs_rtmount_inodes(
	31	struct xfs_mount mp); / file system mount structure */
	32
1da177e4 LT	33	/*
	34	* Grow the realtime area of the filesystem.
	35	*/
	36	int
	37	xfs_growfs_rt(
	38	struct xfs_mount mp, / file system mount structure */
	39	xfs_growfs_rt_t in); / user supplied growfs struct */
	40
5a605fd6	41	int xfs_rtalloc_reinit_frextents(struct xfs_mount *mp);
1da177e4	42	#else
c2988eb5	43	# define xfs_growfs_rt(mp,in) (-ENOSYS)
c2988eb5	44	# define xfs_rtalloc_reinit_frextents(m) (0)
32891b29 ES	45	static inline int /* error */
	46	xfs_rtmount_init(
	47	xfs_mount_t mp) / file system mount structure */
	48	{
	49	if (mp->m_sb.sb_rblocks == 0)
	50	return 0;
	51
0b932ccc	52	xfs_warn(mp, "Not built with CONFIG_XFS_RT");
2451337d	53	return -ENOSYS;
32891b29	54	}
c2988eb5	55	# define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (-ENOSYS))
b93b6e43	56	# define xfs_rtunmount_inodes(m)
1da177e4 LT	57	#endif /* CONFIG_XFS_RT */
1da177e4 LT	58
1da177e4	59	#endif /* __XFS_RTALLOC_H__ */