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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-01-31 09:46:24 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-06-24 16:03:31 -0300 |
| commit | b4deb7beb8c977f79642a6a839c0475e1ce3a209 (patch) | |
| tree | 13200fa7415f11a269750fc039437a31d9e05cd5 /sysdeps/unix/sysv/linux/sys | |
| parent | 6c0eedd97e49aae3b22abcdd892efb7c3f57b9f4 (diff) | |
| download | glibc-b4deb7beb8c977f79642a6a839c0475e1ce3a209.tar.gz | |
linux: Add fsmount
It was added on 5.2 (93766fbd2696c2c4453dd8e1070977e9cd4e6b6d) to
provide a way by which a filesystem opened with fsopen and configured
by a series of fsconfig calls can have a detached mount object
created for it.
Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/mount.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/mount.h b/sysdeps/unix/sysv/linux/sys/mount.h index 56da283d3f..6d55c55de8 100644 --- a/sysdeps/unix/sysv/linux/sys/mount.h +++ b/sysdeps/unix/sysv/linux/sys/mount.h @@ -137,6 +137,22 @@ enum /* fsopen flags. */ #define FSOPEN_CLOEXEC 0x00000001 +/* fsmount flags. */ +#define FSMOUNT_CLOEXEC 0x00000001 + +/* mount attributes used on fsmount. */ +#define MOUNT_ATTR_RDONLY 0x00000001 /* Mount read-only. */ +#define MOUNT_ATTR_NOSUID 0x00000002 /* Ignore suid and sgid bits. */ +#define MOUNT_ATTR_NODEV 0x00000004 /* Disallow access to device special files. */ +#define MOUNT_ATTR_NOEXEC 0x00000008 /* Disallow program execution. */ +#define MOUNT_ATTR__ATIME 0x00000070 /* Setting on how atime should be updated. */ +#define MOUNT_ATTR_RELATIME 0x00000000 /* - Update atime relative to mtime/ctime. */ +#define MOUNT_ATTR_NOATIME 0x00000010 /* - Do not update access times. */ +#define MOUNT_ATTR_STRICTATIME 0x00000020 /* - Always perform atime updates */ +#define MOUNT_ATTR_NODIRATIME 0x00000080 /* Do not update directory access times. */ +#define MOUNT_ATTR_IDMAP 0x00100000 /* Idmap mount to @userns_fd in struct mount_attr. */ +#define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* Do not follow symlinks. */ + __BEGIN_DECLS @@ -155,6 +171,11 @@ extern int umount2 (const char *__special_file, int __flags) __THROW; mouting. */ extern int fsopen (const char *__fs_name, unsigned int __flags) __THROW; +/* Create a mount representation for the FD created by fsopen using + FLAGS with ATTR_FLAGS describing how the mount is to be performed. */ +extern int fsmount (int __fd, unsigned int __flags, + unsigned int __ms_flags) __THROW; + __END_DECLS #endif /* _SYS_MOUNT_H */ |