fs/xfs/xfs_filestream.h

   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__ */