[linux-2.6-block.git] / fs / xfs / xfs_filestream.h

/*
 * Copyright (c) 2006-2007 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_FILESTREAM_H__
#define __XFS_FILESTREAM_H__

struct xfs_mount;
struct xfs_inode;
struct xfs_bmalloca;

int xfs_filestream_mount(struct xfs_mount *mp);
void xfs_filestream_unmount(struct xfs_mount *mp);
void xfs_filestream_deassociate(struct xfs_inode *ip);
xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp);
int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno);

static inline int
xfs_inode_is_filestream(
	struct xfs_inode	*ip)
{
	return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) ||
		(ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM);
}

#endif /* __XFS_FILESTREAM_H__ */
Commit	Line	Data
2a82b8be DC	1	/*
	2	* Copyright (c) 2006-2007 Silicon Graphics, Inc.
	3	* All Rights Reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	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.
	13	*
	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
	17	*/
	18	#ifndef __XFS_FILESTREAM_H__
	19	#define __XFS_FILESTREAM_H__
	20
2a82b8be DC	21	struct xfs_mount;
2a82b8be DC	22	struct xfs_inode;
2a82b8be DC	23	struct xfs_bmalloca;
2a82b8be DC	24
2a82b8be DC	25	int xfs_filestream_mount(struct xfs_mount *mp);
2a82b8be DC	26	void xfs_filestream_unmount(struct xfs_mount *mp);
2a82b8be	27	void xfs_filestream_deassociate(struct xfs_inode *ip);
2cd2ef6a	28	xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
2a82b8be	29	int xfs_filestream_new_ag(struct xfs_bmalloca ap, xfs_agnumber_t agp);
b94acd47	30	int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno);
2a82b8be	31
b8f82a4a	32	static inline int
2a82b8be DC	33	xfs_inode_is_filestream(
	34	struct xfs_inode *ip)
	35	{
	36	return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) \|\|
2a82b8be DC	37	(ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM);
	38	}
	39
2a82b8be	40	#endif /* __XFS_FILESTREAM_H__ */