LXR linux/fs/xfs/xfs

   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
  21struct xfs_mount;
  22struct xfs_inode;
  23struct xfs_bmalloca;
  24
  25int xfs_filestream_mount(struct xfs_mount *mp);
  26void xfs_filestream_unmount(struct xfs_mount *mp);
  27void xfs_filestream_deassociate(struct xfs_inode *ip);
  28xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
  29int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp);
  30int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno);
  31
  32static inline int
  33xfs_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