1#!/bin/sh
 2# SPDX-License-Identifier: LGPL-2.1
 3
 4if [ $# -ne 1 ] ; then
 5	linux_header_dir=tools/include/uapi/linux
 6else
 7	linux_header_dir=$1
 8fi
 9
10linux_fs=${linux_header_dir}/fs.h
11
12printf "static const char *sync_file_range_flags[] = {\n"
13regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+SYNC_FILE_RANGE_([[:alnum:]_]+)[[:space:]]+([[:xdigit:]]+)[[:space:]]*.*'
14egrep $regex ${linux_fs} | \
15	sed -r "s/$regex/\2 \1/g"	| \
16	xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n"
17printf "};\n"