diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/syscalls.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/mount.h | 14 |
2 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 530ca9adf5f1..2d6d3e76e3f7 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -412,6 +412,9 @@ asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, asmlinkage long sys_statmount(const struct mnt_id_req __user *req, struct statmount __user *buf, size_t bufsize, unsigned int flags); +asmlinkage long sys_listmount(const struct mnt_id_req __user *req, + u64 __user *buf, size_t bufsize, + unsigned int flags); asmlinkage long sys_truncate(const char __user *path, long length); asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); #if BITS_PER_LONG == 32 diff --git a/include/uapi/linux/mount.h b/include/uapi/linux/mount.h index afdf4f2f6672..dc9a0112d819 100644 --- a/include/uapi/linux/mount.h +++ b/include/uapi/linux/mount.h @@ -176,9 +176,16 @@ struct statmount { char str[]; /* Variable size part containing strings */ }; +/* + * Structure for passing mount ID and miscellaneous parameters to statmount(2) + * and listmount(2). + * + * For statmount(2) @param represents the request mask. + * For listmount(2) @param represents the last listed mount id (or zero). + */ struct mnt_id_req { __u64 mnt_id; - __u64 request_mask; + __u64 param; }; /* @@ -191,4 +198,9 @@ struct mnt_id_req { #define STATMOUNT_MNT_POINT 0x00000010U /* Want/got mnt_point */ #define STATMOUNT_FS_TYPE 0x00000020U /* Want/got fs_type */ +/* + * Special @mnt_id values that can be passed to listmount + */ +#define LSMT_ROOT 0xffffffffffffffff /* root mount */ + #endif /* _UAPI_LINUX_MOUNT_H */ |