fs/xfs/libxfs/xfs_metafile.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2018-2024 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <djwong@kernel.org>
   5  */
   6 #ifndef __XFS_METAFILE_H__
   7 #define __XFS_METAFILE_H__
   8
   9 /* All metadata files must have these flags set. */
  10 #define XFS_METAFILE_DIFLAGS    (XFS_DIFLAG_IMMUTABLE | \
  11                                  XFS_DIFLAG_SYNC | \
  12                                  XFS_DIFLAG_NOATIME | \
  13                                  XFS_DIFLAG_NODUMP | \
  14                                  XFS_DIFLAG_NODEFRAG)
  15
  16 /* All metadata directories must have these flags set. */
  17 #define XFS_METADIR_DIFLAGS     (XFS_METAFILE_DIFLAGS | \
  18                                  XFS_DIFLAG_NOSYMLINKS)
  19
  20 void xfs_metafile_set_iflag(struct xfs_trans *tp, struct xfs_inode *ip,
  21                 enum xfs_metafile_type metafile_type);
  22 void xfs_metafile_clear_iflag(struct xfs_trans *tp, struct xfs_inode *ip);
  23
  24 /* Code specific to kernel/userspace; must be provided externally. */
  25
  26 int xfs_trans_metafile_iget(struct xfs_trans *tp, xfs_ino_t ino,
  27                 enum xfs_metafile_type metafile_type, struct xfs_inode **ipp);
  28 int xfs_metafile_iget(struct xfs_mount *mp, xfs_ino_t ino,
  29                 enum xfs_metafile_type metafile_type, struct xfs_inode **ipp);
  30
  31 #endif /* __XFS_METAFILE_H__ */