super.h 2.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
  4. * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
  5. */
  6. #ifndef __SUPER_DOT_H__
  7. #define __SUPER_DOT_H__
  8. #include <linux/fs.h>
  9. #include <linux/dcache.h>
  10. #include "incore.h"
  11. /* Supported fs format version range */
  12. #define GFS2_FS_FORMAT_MIN (1801)
  13. #define GFS2_FS_FORMAT_MAX (1802)
  14. extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
  15. static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
  16. {
  17. unsigned int x;
  18. spin_lock(&sdp->sd_jindex_spin);
  19. x = sdp->sd_journals;
  20. spin_unlock(&sdp->sd_jindex_spin);
  21. return x;
  22. }
  23. extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
  24. extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
  25. extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
  26. extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
  27. struct gfs2_inode **ipp);
  28. extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
  29. extern void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
  30. extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
  31. extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
  32. extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
  33. s64 dinodes);
  34. extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
  35. const void *buf);
  36. extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
  37. void *buf);
  38. extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
  39. extern int gfs2_statfs_sync(struct super_block *sb, int type);
  40. extern void gfs2_freeze_func(struct work_struct *work);
  41. extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
  42. extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
  43. unsigned int index);
  44. extern void free_sbd(struct gfs2_sbd *sdp);
  45. extern struct file_system_type gfs2_fs_type;
  46. extern struct file_system_type gfs2meta_fs_type;
  47. extern const struct export_operations gfs2_export_ops;
  48. extern const struct super_operations gfs2_super_ops;
  49. extern const struct dentry_operations gfs2_dops;
  50. extern const struct xattr_handler *gfs2_xattr_handlers_max[];
  51. extern const struct xattr_handler **gfs2_xattr_handlers_min;
  52. #endif /* __SUPER_DOT_H__ */