6c78973da0
Add explicit support for splicing from pipe to file through iter_file_splice_write(). Commit 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops") removed the default .splice_write operation which effectively removed UDF support for splicing from pipe. Fixes: 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops") Reported-by: kernel test robot <yujie.liu@intel.com> Link: https://lore.kernel.org/r/202209081443.593ab12-yujie.liu@intel.com Signed-off-by: Jan Kara <jack@suse.cz>