Function btrfsutil_sys::btrfs_util_set_subvolume_read_only

pub unsafe extern "C" fn btrfs_util_set_subvolume_read_only(
    path: *const c_char, 
    read_only: bool
) -> btrfs_util_error

btrfs_util_set_subvolume_read_only() - Set whether a subvolume is read-only. @path: Subvolume path. @read_only: New value of read-only flag.

This requires appropriate privilege (CAP_SYS_ADMIN).

Return: %BTRFS_UTIL_OK on success, non-zero error code on failure.