#GMount is returned only for user interesting locations, see
#GVolumeMonitor. If the #GFileIface for @file does not have a #mount,
@error will be set to %G_IO_ERROR_NOT_FOUND and %NULL #will be returned.
If @cancellable is not %NULL, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
Gets a #GMount for the #GFile.
#GMount is returned only for user interesting locations, see #GVolumeMonitor. If the #GFileIface for @file does not have a #mount, @error will be set to %G_IO_ERROR_NOT_FOUND and %NULL #will be returned.
If @cancellable is not %NULL, then the operation can be cancelled by triggering the cancellable object from another thread. If the operation was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.