OK6410A Development Board (VIII) 115 linux-5.11 OK6410A Memory File System Mounting Example

mount -t tmpfs tmpfs /work/mount/

struct mount structure

$1 = (struct mount *) 0x816f5780 // struct mount structure address

$2 = { // struct mount structure content

    mnt_hash = {

        next = 0x0,

        pprev = 0x0

    },

    mnt_parent = 0x816f5780, // indicates that it is mounted on the struct mount where /work/mount/ is located. 0x816f5780 is the address of the struct mount where /work/mount/ is located.

    mnt_mountpoint = 0x8134f6e8,

    mnt = {

        mnt_root = 0x8134f6e8,

        mnt_sb = 0x815fb400,

        mnt_flags = 32

    },

    {

        mnt_rcu = {

            next = 0x0,

            func = 0x0

        },

        mnt_llist = {

            next = 0x0

        }

    },

    mnt_pcp = 0x80a7b098,

    mnt_mounts = {

        next = 0x816f57a8,

        prev = 0x816f57a8

    },

    mnt_child = {

        next = 0x816f57b0,

        prev = 0x816f57b0

    },

    mnt_instance = {

        next = 0x815fb46c,

        prev = 0x815fb46c

    },

    mnt_devname = 0x81639a00 "tmpfs",

    mnt_list = {

        next = 0x816f57c4,

        prev = 0x816f57c4

    },

    mnt_expire = {

        next = 0x816f57cc,

        prev = 0x816f57cc

    },

    mnt_share = {

        next = 0x816f57d4,

        prev = 0x816f57d4

    },

    mnt_slave_list = {

        next = 0x816f57dc,

        prev = 0x816f57dc

    },

    mnt_slave = {

        next = 0x816f57e4,

        prev = 0x816f57e4

    },

    mnt_master = 0x0,

    mnt_ns = 0x0,

    mnt_mp = 0x0,

    {

        mnt_mp_list = {

            next = 0x0,

            pprev = 0x0

        },

        mnt_umount = {

            next = 0x0,

            pprev = 0x0

        }

    },

    mnt_umounting = {

        next = 0x816f5800,

        prev = 0x816f5800

    },

    mnt_fsnotify_marks = 0x0,

    mnt_fsnotify_mask = 0,

    mnt_id = 21,

    mnt_group_id = 0,

    mnt_expiry_mark = 0,

    mnt_pins = {

        first = 0x0

    },

    mnt_stuck_children = {

        first = 0x0

    }

}