nfs_mount.h 2.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef _LINUX_NFS_MOUNT_H
  3. #define _LINUX_NFS_MOUNT_H
  4. /*
  5. * linux/include/linux/nfs_mount.h
  6. *
  7. * Copyright (C) 1992 Rick Sladkey
  8. *
  9. * structure passed from user-space to kernel-space during an nfs mount
  10. */
  11. #include <linux/in.h>
  12. #include <linux/nfs.h>
  13. #include <linux/nfs2.h>
  14. #include <linux/nfs3.h>
  15. /*
  16. * WARNING! Do not delete or change the order of these fields. If
  17. * a new field is required then add it to the end. The version field
  18. * tracks which fields are present. This will ensure some measure of
  19. * mount-to-kernel version compatibility. Some of these aren't used yet
  20. * but here they are anyway.
  21. */
  22. #define NFS_MOUNT_VERSION 6
  23. #define NFS_MAX_CONTEXT_LEN 256
  24. struct nfs_mount_data {
  25. int version; /* 1 */
  26. int fd; /* 1 */
  27. struct nfs2_fh old_root; /* 1 */
  28. int flags; /* 1 */
  29. int rsize; /* 1 */
  30. int wsize; /* 1 */
  31. int timeo; /* 1 */
  32. int retrans; /* 1 */
  33. int acregmin; /* 1 */
  34. int acregmax; /* 1 */
  35. int acdirmin; /* 1 */
  36. int acdirmax; /* 1 */
  37. struct sockaddr_in addr; /* 1 */
  38. char hostname[NFS_MAXNAMLEN + 1]; /* 1 */
  39. int namlen; /* 2 */
  40. unsigned int bsize; /* 3 */
  41. struct nfs3_fh root; /* 4 */
  42. int pseudoflavor; /* 5 */
  43. char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
  44. };
  45. /* bits in the flags field visible to user space */
  46. #define NFS_MOUNT_SOFT 0x0001 /* 1 */
  47. #define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */
  48. #define NFS_MOUNT_SECURE 0x0004 /* 1 */
  49. #define NFS_MOUNT_POSIX 0x0008 /* 1 */
  50. #define NFS_MOUNT_NOCTO 0x0010 /* 1 */
  51. #define NFS_MOUNT_NOAC 0x0020 /* 1 */
  52. #define NFS_MOUNT_TCP 0x0040 /* 2 */
  53. #define NFS_MOUNT_VER3 0x0080 /* 3 */
  54. #define NFS_MOUNT_KERBEROS 0x0100 /* 3 */
  55. #define NFS_MOUNT_NONLM 0x0200 /* 3 */
  56. #define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */
  57. #define NFS_MOUNT_NOACL 0x0800 /* 4 */
  58. #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */
  59. #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */
  60. #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
  61. #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
  62. #define NFS_MOUNT_FLAGMASK 0xFFFF
  63. #endif