xfs_iocore.c 3.1 KB

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  1. /*
  2. * Copyright (c) 2000-2003,2005 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. #include "xfs.h"
  19. #include "xfs_fs.h"
  20. #include "xfs_types.h"
  21. #include "xfs_bit.h"
  22. #include "xfs_log.h"
  23. #include "xfs_inum.h"
  24. #include "xfs_trans.h"
  25. #include "xfs_sb.h"
  26. #include "xfs_ag.h"
  27. #include "xfs_dir2.h"
  28. #include "xfs_dfrag.h"
  29. #include "xfs_dmapi.h"
  30. #include "xfs_mount.h"
  31. #include "xfs_bmap_btree.h"
  32. #include "xfs_alloc_btree.h"
  33. #include "xfs_ialloc_btree.h"
  34. #include "xfs_dir2_sf.h"
  35. #include "xfs_attr_sf.h"
  36. #include "xfs_dinode.h"
  37. #include "xfs_inode.h"
  38. #include "xfs_inode_item.h"
  39. #include "xfs_itable.h"
  40. #include "xfs_btree.h"
  41. #include "xfs_alloc.h"
  42. #include "xfs_ialloc.h"
  43. #include "xfs_bmap.h"
  44. #include "xfs_error.h"
  45. #include "xfs_rw.h"
  46. #include "xfs_quota.h"
  47. #include "xfs_trans_space.h"
  48. #include "xfs_iomap.h"
  49. STATIC xfs_fsize_t
  50. xfs_size_fn(
  51. xfs_inode_t *ip)
  52. {
  53. return (ip->i_d.di_size);
  54. }
  55. STATIC int
  56. xfs_ioinit(
  57. struct bhv_vfs *vfsp,
  58. struct xfs_mount_args *mntargs,
  59. int flags)
  60. {
  61. return xfs_mountfs(vfsp, XFS_VFSTOM(vfsp), flags);
  62. }
  63. xfs_ioops_t xfs_iocore_xfs = {
  64. .xfs_ioinit = (xfs_ioinit_t) xfs_ioinit,
  65. .xfs_bmapi_func = (xfs_bmapi_t) xfs_bmapi,
  66. .xfs_bunmapi_func = (xfs_bunmapi_t) xfs_bunmapi,
  67. .xfs_bmap_eof_func = (xfs_bmap_eof_t) xfs_bmap_eof,
  68. .xfs_iomap_write_direct =
  69. (xfs_iomap_write_direct_t) xfs_iomap_write_direct,
  70. .xfs_iomap_write_delay =
  71. (xfs_iomap_write_delay_t) xfs_iomap_write_delay,
  72. .xfs_iomap_write_allocate =
  73. (xfs_iomap_write_allocate_t) xfs_iomap_write_allocate,
  74. .xfs_iomap_write_unwritten =
  75. (xfs_iomap_write_unwritten_t) xfs_iomap_write_unwritten,
  76. .xfs_ilock = (xfs_lock_t) xfs_ilock,
  77. .xfs_lck_map_shared = (xfs_lck_map_shared_t) xfs_ilock_map_shared,
  78. .xfs_ilock_demote = (xfs_lock_demote_t) xfs_ilock_demote,
  79. .xfs_ilock_nowait = (xfs_lock_nowait_t) xfs_ilock_nowait,
  80. .xfs_unlock = (xfs_unlk_t) xfs_iunlock,
  81. .xfs_size_func = (xfs_size_t) xfs_size_fn,
  82. .xfs_iodone = (xfs_iodone_t) fs_noerr,
  83. .xfs_swap_extents_func = (xfs_swap_extents_t) xfs_swap_extents,
  84. };
  85. void
  86. xfs_iocore_inode_reinit(
  87. xfs_inode_t *ip)
  88. {
  89. xfs_iocore_t *io = &ip->i_iocore;
  90. io->io_flags = 0;
  91. if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
  92. io->io_flags |= XFS_IOCORE_RT;
  93. io->io_dmevmask = ip->i_d.di_dmevmask;
  94. io->io_dmstate = ip->i_d.di_dmstate;
  95. }
  96. void
  97. xfs_iocore_inode_init(
  98. xfs_inode_t *ip)
  99. {
  100. xfs_iocore_t *io = &ip->i_iocore;
  101. xfs_mount_t *mp = ip->i_mount;
  102. io->io_mount = mp;
  103. #ifdef DEBUG
  104. io->io_lock = &ip->i_lock;
  105. io->io_iolock = &ip->i_iolock;
  106. #endif
  107. io->io_obj = (void *)ip;
  108. xfs_iocore_inode_reinit(ip);
  109. }