Merge pull request #12056 from chrisroberts/f-wsl2-share

Update filesystem type match for WSL2

lib/vagrant/util/platform.rb

@@ -554,6 +554,7 @@ module Vagrant
         # Get list of local mount paths that are DrvFs file systems
         #
         # @return [Array<String>]
+        # @todo(chrisroberts): Constantize types for check
         def wsl_drvfs_mounts
           if !defined?(@_wsl_drvfs_mounts)
             @_wsl_drvfs_mounts = []
@@ -561,7 +562,7 @@ module Vagrant
               result = Util::Subprocess.execute("mount")
               result.stdout.each_line do |line|
                 info = line.match(MOUNT_PATTERN)
-                if info && info[:type] == "drvfs"
+                if info && (info[:type] == "drvfs" || info[:type] == "9p")
                   @_wsl_drvfs_mounts << info[:mount]
                 end
               end