Linux/include/uapi/linux/mount.h

Version: ~ [ linux-6.11-rc3 ] ~ [ linux-6.10.4 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.45 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.104 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.164 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.223 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.281 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.319 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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1 #ifndef _UAPI_LINUX_MOUNT_H 1 #ifndef _UAPI_LINUX_MOUNT_H 2 #define _UAPI_LINUX_MOUNT_H 2 #define _UAPI_LINUX_MOUNT_H 3 3 4 #include <linux/types.h> << 5 << 6 /* 4 /* 7 * These are the fs-independent mount-flags: u 5 * These are the fs-independent mount-flags: up to 32 flags are supported 8 * 6 * 9 * Usage of these is restricted within the ker 7 * Usage of these is restricted within the kernel to core mount(2) code and 10 * callers of sys_mount() only. Filesystems s 8 * callers of sys_mount() only. Filesystems should be using the SB_* 11 * equivalent instead. 9 * equivalent instead. 12 */ 10 */ 13 #define MS_RDONLY 1 /* Mount read- 11 #define MS_RDONLY 1 /* Mount read-only */ 14 #define MS_NOSUID 2 /* Ignore suid 12 #define MS_NOSUID 2 /* Ignore suid and sgid bits */ 15 #define MS_NODEV 4 /* Disallow ac 13 #define MS_NODEV 4 /* Disallow access to device special files */ 16 #define MS_NOEXEC 8 /* Disallow pr 14 #define MS_NOEXEC 8 /* Disallow program execution */ 17 #define MS_SYNCHRONOUS 16 /* Writes are 15 #define MS_SYNCHRONOUS 16 /* Writes are synced at once */ 18 #define MS_REMOUNT 32 /* Alter flags 16 #define MS_REMOUNT 32 /* Alter flags of a mounted FS */ 19 #define MS_MANDLOCK 64 /* Allow manda 17 #define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */ 20 #define MS_DIRSYNC 128 /* Directory m 18 #define MS_DIRSYNC 128 /* Directory modifications are synchronous */ 21 #define MS_NOSYMFOLLOW 256 /* Do not foll << 22 #define MS_NOATIME 1024 /* Do not upda 19 #define MS_NOATIME 1024 /* Do not update access times. */ 23 #define MS_NODIRATIME 2048 /* Do not upda 20 #define MS_NODIRATIME 2048 /* Do not update directory access times */ 24 #define MS_BIND 4096 21 #define MS_BIND 4096 25 #define MS_MOVE 8192 22 #define MS_MOVE 8192 26 #define MS_REC 16384 23 #define MS_REC 16384 27 #define MS_VERBOSE 32768 /* War is peac 24 #define MS_VERBOSE 32768 /* War is peace. Verbosity is silence. 28 MS_VERBOSE 25 MS_VERBOSE is deprecated. */ 29 #define MS_SILENT 32768 26 #define MS_SILENT 32768 30 #define MS_POSIXACL (1<<16) /* VFS does no 27 #define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ 31 #define MS_UNBINDABLE (1<<17) /* change to u 28 #define MS_UNBINDABLE (1<<17) /* change to unbindable */ 32 #define MS_PRIVATE (1<<18) /* change to p 29 #define MS_PRIVATE (1<<18) /* change to private */ 33 #define MS_SLAVE (1<<19) /* change to s 30 #define MS_SLAVE (1<<19) /* change to slave */ 34 #define MS_SHARED (1<<20) /* change to s 31 #define MS_SHARED (1<<20) /* change to shared */ 35 #define MS_RELATIME (1<<21) /* Update atim 32 #define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */ 36 #define MS_KERNMOUNT (1<<22) /* this is a k 33 #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ 37 #define MS_I_VERSION (1<<23) /* Update inod 34 #define MS_I_VERSION (1<<23) /* Update inode I_version field */ 38 #define MS_STRICTATIME (1<<24) /* Always perf 35 #define MS_STRICTATIME (1<<24) /* Always perform atime updates */ 39 #define MS_LAZYTIME (1<<25) /* Update the 36 #define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */ 40 37 41 /* These sb flags are internal to the kernel * 38 /* These sb flags are internal to the kernel */ 42 #define MS_SUBMOUNT (1<<26) 39 #define MS_SUBMOUNT (1<<26) 43 #define MS_NOREMOTELOCK (1<<27) 40 #define MS_NOREMOTELOCK (1<<27) 44 #define MS_NOSEC (1<<28) 41 #define MS_NOSEC (1<<28) 45 #define MS_BORN (1<<29) 42 #define MS_BORN (1<<29) 46 #define MS_ACTIVE (1<<30) 43 #define MS_ACTIVE (1<<30) 47 #define MS_NOUSER (1<<31) 44 #define MS_NOUSER (1<<31) 48 45 49 /* 46 /* 50 * Superblock flags that can be altered by MS_ 47 * Superblock flags that can be altered by MS_REMOUNT 51 */ 48 */ 52 #define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRON 49 #define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\ 53 MS_LAZYTIME) 50 MS_LAZYTIME) 54 51 55 /* 52 /* 56 * Old magic mount flag and mask 53 * Old magic mount flag and mask 57 */ 54 */ 58 #define MS_MGC_VAL 0xC0ED0000 55 #define MS_MGC_VAL 0xC0ED0000 59 #define MS_MGC_MSK 0xffff0000 56 #define MS_MGC_MSK 0xffff0000 60 << 61 /* << 62 * open_tree() flags. << 63 */ << 64 #define OPEN_TREE_CLONE 1 << 65 #define OPEN_TREE_CLOEXEC O_CLOEXEC << 66 << 67 /* << 68 * move_mount() flags. << 69 */ << 70 #define MOVE_MOUNT_F_SYMLINKS 0x0000 << 71 #define MOVE_MOUNT_F_AUTOMOUNTS 0x0000 << 72 #define MOVE_MOUNT_F_EMPTY_PATH 0x0000 << 73 #define MOVE_MOUNT_T_SYMLINKS 0x0000 << 74 #define MOVE_MOUNT_T_AUTOMOUNTS 0x0000 << 75 #define MOVE_MOUNT_T_EMPTY_PATH 0x0000 << 76 #define MOVE_MOUNT_SET_GROUP 0x0000 << 77 #define MOVE_MOUNT_BENEATH 0x0000 << 78 #define MOVE_MOUNT__MASK 0x0000 << 79 << 80 /* << 81 * fsopen() flags. << 82 */ << 83 #define FSOPEN_CLOEXEC 0x00000001 << 84 << 85 /* << 86 * fspick() flags. << 87 */ << 88 #define FSPICK_CLOEXEC 0x00000001 << 89 #define FSPICK_SYMLINK_NOFOLLOW 0x00000002 << 90 #define FSPICK_NO_AUTOMOUNT 0x00000004 << 91 #define FSPICK_EMPTY_PATH 0x00000008 << 92 << 93 /* << 94 * The type of fsconfig() call made. << 95 */ << 96 enum fsconfig_command { << 97 FSCONFIG_SET_FLAG = 0, /* Set << 98 FSCONFIG_SET_STRING = 1, /* Set << 99 FSCONFIG_SET_BINARY = 2, /* Set << 100 FSCONFIG_SET_PATH = 3, /* Set << 101 FSCONFIG_SET_PATH_EMPTY = 4, /* Set << 102 FSCONFIG_SET_FD = 5, /* Set << 103 FSCONFIG_CMD_CREATE = 6, /* Cre << 104 FSCONFIG_CMD_RECONFIGURE = 7, /* Inv << 105 FSCONFIG_CMD_CREATE_EXCL = 8, /* Cre << 106 }; << 107 << 108 /* << 109 * fsmount() flags. << 110 */ << 111 #define FSMOUNT_CLOEXEC 0x00000001 << 112 << 113 /* << 114 * Mount attributes. << 115 */ << 116 #define MOUNT_ATTR_RDONLY 0x00000001 /* << 117 #define MOUNT_ATTR_NOSUID 0x00000002 /* << 118 #define MOUNT_ATTR_NODEV 0x00000004 /* << 119 #define MOUNT_ATTR_NOEXEC 0x00000008 /* << 120 #define MOUNT_ATTR__ATIME 0x00000070 /* << 121 #define MOUNT_ATTR_RELATIME 0x00000000 /* << 122 #define MOUNT_ATTR_NOATIME 0x00000010 /* << 123 #define MOUNT_ATTR_STRICTATIME 0x00000020 /* << 124 #define MOUNT_ATTR_NODIRATIME 0x00000080 /* << 125 #define MOUNT_ATTR_IDMAP 0x00100000 /* << 126 #define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* << 127 << 128 /* << 129 * mount_setattr() << 130 */ << 131 struct mount_attr { << 132 __u64 attr_set; << 133 __u64 attr_clr; << 134 __u64 propagation; << 135 __u64 userns_fd; << 136 }; << 137 << 138 /* List of all mount_attr versions. */ << 139 #define MOUNT_ATTR_SIZE_VER0 32 /* sizeof f << 140 << 141 << 142 /* << 143 * Structure for getting mount/superblock/file << 144 * << 145 * The interface is similar to statx(2): indiv << 146 * selected with the @mask argument of statmou << 147 * field according to the supported fields. << 148 * << 149 * If string fields are selected, then the cal << 150 * has space after the fixed part of the struc << 151 * copied there and offsets relative to @str a << 152 * If the buffer is too small, then EOVERFLOW << 153 * size is returned in @size. << 154 */ << 155 struct statmount { << 156 __u32 size; /* Total size, << 157 __u32 mnt_opts; /* [str] Mount << 158 __u64 mask; /* What result << 159 __u32 sb_dev_major; /* Device ID * << 160 __u32 sb_dev_minor; << 161 __u64 sb_magic; /* ..._SUPER_M << 162 __u32 sb_flags; /* SB_{RDONLY, << 163 __u32 fs_type; /* [str] Files << 164 __u64 mnt_id; /* Unique ID o << 165 __u64 mnt_parent_id; /* Unique ID o << 166 __u32 mnt_id_old; /* Reused IDs << 167 __u32 mnt_parent_id_old; << 168 __u64 mnt_attr; /* MOUNT_ATTR_ << 169 __u64 mnt_propagation; /* MS_{SHARED, << 170 __u64 mnt_peer_group; /* ID of share << 171 __u64 mnt_master; /* Mount recei << 172 __u64 propagate_from; /* Propagation << 173 __u32 mnt_root; /* [str] Root << 174 __u32 mnt_point; /* [str] Mount << 175 __u64 mnt_ns_id; /* ID of the m << 176 __u64 __spare2[49]; << 177 char str[]; /* Variable si << 178 }; << 179 << 180 /* << 181 * Structure for passing mount ID and miscella << 182 * and listmount(2). << 183 * << 184 * For statmount(2) @param represents the requ << 185 * For listmount(2) @param represents the last << 186 */ << 187 struct mnt_id_req { << 188 __u32 size; << 189 __u32 spare; << 190 __u64 mnt_id; << 191 __u64 param; << 192 __u64 mnt_ns_id; << 193 }; << 194 << 195 /* List of all mnt_id_req versions. */ << 196 #define MNT_ID_REQ_SIZE_VER0 24 /* sizeof f << 197 #define MNT_ID_REQ_SIZE_VER1 32 /* sizeof s << 198 << 199 /* << 200 * @mask bits for statmount(2) << 201 */ << 202 #define STATMOUNT_SB_BASIC 0x0000 << 203 #define STATMOUNT_MNT_BASIC 0x0000 << 204 #define STATMOUNT_PROPAGATE_FROM 0x0000 << 205 #define STATMOUNT_MNT_ROOT 0x0000 << 206 #define STATMOUNT_MNT_POINT 0x0000 << 207 #define STATMOUNT_FS_TYPE 0x0000 << 208 #define STATMOUNT_MNT_NS_ID 0x0000 << 209 #define STATMOUNT_MNT_OPTS 0x0000 << 210 << 211 /* << 212 * Special @mnt_id values that can be passed t << 213 */ << 214 #define LSMT_ROOT 0xffffffffffff << 215 #define LISTMOUNT_REVERSE (1 << 0) /* Li << 216 57 217 #endif /* _UAPI_LINUX_MOUNT_H */ 58 #endif /* _UAPI_LINUX_MOUNT_H */ 218 59

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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/mount.h

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Differences between /include/uapi/linux/mount.h (Version linux-6.11-rc3) and /include/uapi/linux/mount.h (Version linux-5.1.21)

TOMOYO Linux Cross Reference Linux/include/uapi/linux/mount.h

Diff markup

Differences between /include/uapi/linux/mount.h (Version linux-6.11-rc3) and /include/uapi/linux/mount.h (Version linux-5.1.21)

TOMOYO Linux Cross Reference
Linux/include/uapi/linux/mount.h