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kernel/linux-imx6_3.14.28/fs/xfs/xfs_super.h 2.4 KB
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  /*
   * Copyright (c) 2000-2005 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_SUPER_H__
  #define __XFS_SUPER_H__
  
  #include <linux/exportfs.h>
  
  #ifdef CONFIG_XFS_QUOTA
  extern int xfs_qm_init(void);
  extern void xfs_qm_exit(void);
  #else
  # define xfs_qm_init()	(0)
  # define xfs_qm_exit()	do { } while (0)
  #endif
  
  #ifdef CONFIG_XFS_POSIX_ACL
  # define XFS_ACL_STRING		"ACLs, "
  # define set_posix_acl_flag(sb)	((sb)->s_flags |= MS_POSIXACL)
  #else
  # define XFS_ACL_STRING
  # define set_posix_acl_flag(sb)	do { } while (0)
  #endif
  
  #define XFS_SECURITY_STRING	"security attributes, "
  
  #ifdef CONFIG_XFS_RT
  # define XFS_REALTIME_STRING	"realtime, "
  #else
  # define XFS_REALTIME_STRING
  #endif
  
  #if XFS_BIG_BLKNOS
  # if XFS_BIG_INUMS
  #  define XFS_BIGFS_STRING	"large block/inode numbers, "
  # else
  #  define XFS_BIGFS_STRING	"large block numbers, "
  # endif
  #else
  # define XFS_BIGFS_STRING
  #endif
  
  #ifdef DEBUG
  # define XFS_DBG_STRING		"debug"
  #else
  # define XFS_DBG_STRING		"no debug"
  #endif
  
  #define XFS_VERSION_STRING	"SGI XFS"
  #define XFS_BUILD_OPTIONS	XFS_ACL_STRING \
  				XFS_SECURITY_STRING \
  				XFS_REALTIME_STRING \
  				XFS_BIGFS_STRING \
  				XFS_DBG_STRING /* DBG must be last */
  
  struct xfs_inode;
  struct xfs_mount;
  struct xfs_buftarg;
  struct block_device;
  
  extern __uint64_t xfs_max_file_offset(unsigned int);
  
  extern void xfs_flush_inodes(struct xfs_mount *mp);
  extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
  extern xfs_agnumber_t xfs_set_inode32(struct xfs_mount *);
  extern xfs_agnumber_t xfs_set_inode64(struct xfs_mount *);
  
  extern const struct export_operations xfs_export_operations;
  extern const struct xattr_handler *xfs_xattr_handlers[];
  extern const struct quotactl_ops xfs_quotactl_operations;
  
  #define XFS_M(sb)		((struct xfs_mount *)((sb)->s_fs_info))
  
  #endif	/* __XFS_SUPER_H__ */