xref: /openbmc/linux/fs/xfs/xfs_filestream.h (revision ddc141e5)
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 
21 struct xfs_mount;
22 struct xfs_inode;
23 struct xfs_bmalloca;
24 
25 int xfs_filestream_mount(struct xfs_mount *mp);
26 void xfs_filestream_unmount(struct xfs_mount *mp);
27 void xfs_filestream_deassociate(struct xfs_inode *ip);
28 xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
29 int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp);
30 int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno);
31 
32 static inline int
33 xfs_inode_is_filestream(
34 	struct xfs_inode	*ip)
35 {
36 	return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) ||
37 		(ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM);
38 }
39 
40 #endif /* __XFS_FILESTREAM_H__ */
41