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fs
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gfs2
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super.h

super.h 2.2 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
    4. 

  4.  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef __SUPER_DOT_H__
    8. 

  8. #define __SUPER_DOT_H__
    9. 

  9. 

  10. #include <linux/fs.h>
    11. 

  11. #include <linux/dcache.h>
    12. 

  12. #include "incore.h"
    13. 

  13. 

  14. /* Supported fs format version range */
    15. 

  15. #define GFS2_FS_FORMAT_MIN (1801)
    16. 

  16. #define GFS2_FS_FORMAT_MAX (1802)
    17. 

  17. 

  18. extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
    19. 

  19. 

  20. static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
    21. 

  21. {
    22. 

  22. 	unsigned int x;
    23. 

  23. 	spin_lock(&sdp->sd_jindex_spin);
    24. 

  24. 	x = sdp->sd_journals;
    25. 

  25. 	spin_unlock(&sdp->sd_jindex_spin);
    26. 

  26. 	return x;
    27. 

  27. }
    28. 

  28. 

  29. extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
    30. 

  30. 

  31. extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
    32. 

  32. extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
    33. 

  33. extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
    34. 

  34. 				     struct gfs2_inode **ipp);
    35. 

  35. 

  36. extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
    37. 

  37. extern void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
    38. 

  38. extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
    39. 

  39. extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
    40. 

  40. extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
    41. 

  41. 			       s64 dinodes);
    42. 

  42. extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
    43. 

  43. 				  const void *buf);
    44. 

  44. extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
    45. 

  45. 				   void *buf);
    46. 

  46. extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
    47. 

  47. extern int gfs2_statfs_sync(struct super_block *sb, int type);
    48. 

  48. extern void gfs2_freeze_func(struct work_struct *work);
    49. 

  49. 

  50. extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
    51. 

  51. extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
    52. 

  52. 					     unsigned int index);
    53. 

  53. extern void free_sbd(struct gfs2_sbd *sdp);
    54. 

  54. 

  55. extern struct file_system_type gfs2_fs_type;
    56. 

  56. extern struct file_system_type gfs2meta_fs_type;
    57. 

  57. extern const struct export_operations gfs2_export_ops;
    58. 

  58. extern const struct super_operations gfs2_super_ops;
    59. 

  59. extern const struct dentry_operations gfs2_dops;
    60. 

  60. 

  61. extern const struct xattr_handler *gfs2_xattr_handlers_max[];
    62. 

  62. extern const struct xattr_handler **gfs2_xattr_handlers_min;
    63. 

  63. 

  64. #endif /* __SUPER_DOT_H__ */
    65. 

  65.