mirror of
https://github.com/SCST-project/scst.git
synced 2026-05-14 09:11:27 +00:00
66bc3f06a3
- Converted tabs to spaces in the help text. - Removed command-line option '-s' -- the srpt driver is now always included. - Recognizes now both kernel versions with three components (x.y.z) and kernel versions with four components (x.y.z.p). - Empty files for Kconfig and Makefile are added for those components that are not included in the kernel patch, such that make allyesconfig / make allmodconfig keeps working. Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com> git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@528 d57e44dd-8a1f-0410-8b47-8ef2f437770f
323 lines
7.8 KiB
Bash
Executable File
323 lines
7.8 KiB
Bash
Executable File
#!/bin/bash
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############################################################################
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#
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# Script for converting the SCST source tree as it exists in the Subversion
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# repository to a Linux kernel patch.
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#
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# Copyright (C) 2008 Bart Van Assche <bart.vanassche@gmail.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation, version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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############################################################################
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########################
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# Function definitions #
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########################
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function usage {
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echo "Usage: $0 [-h] [-l] [-m] [-q] [-s] <kernel version>, where: "
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echo " -h - show this text"
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echo " -l - add scst_local target driver"
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echo " -m - add mpt target driver"
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echo " -q - add qla2x00t driver"
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}
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# Convert an existing patch.
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# $1: path of patch to be added.
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# $2: path in kernel tree of file to be patched.
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function add_patch {
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if [ ! -e "$1" ]; then
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echo "Error: could not find $1." >&2
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exit 1
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fi
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sed -e "s:^--- [^ ]*:--- orig/linux-${kernel_version}/$2:" \
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-e "s:^+++ [^ ]*:+++ linux-${kernel_version}/$2:" \
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< "$1"
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}
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# Generate a patch for a file to be added to the kernel source tree, and strip
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# trailing whitespace from C source files while converting the file to patch
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# format.
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# $1: path of file to be added.
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# $2: path in kernel tree where file should be added.
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function add_file {
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local a b
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if [ ! -e "$1" ]; then
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echo "Error: could not find $1." >&2
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exit 1
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fi
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# Only include files that were not generated by the build process
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# -- skip *.mod.c.
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if [ "$1" = "${1%.mod.c}" -a "$1" ]; then
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cat <<EOF
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diff -uprN orig/linux-${kernel_version}/$2 linux-${kernel_version}/$2
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--- orig/linux-${kernel_version}/$2
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+++ linux-${kernel_version}/$2
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@@ -0,0 +1,$(wc -l "$1" | { read a b; echo $a; }) @@
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EOF
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if [ "${2%.[ch]}" != "$2" ]; then
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sed -e 's/sBUG(/BUG(/g' -e 's/sBUG_ON(/BUG_ON(/g' -e 's/^/+/' \
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-e 's/^ \([^ ]*:\)$/\1/' < "$1"
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else
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sed -e 's/sBUG(/BUG(/g' -e 's/sBUG_ON(/BUG_ON(/g' -e 's/^/+/' < "$1"
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fi
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fi
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}
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function add_empty_file {
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local a b
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cat <<EOF
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diff -uprN orig/linux-${kernel_version}/$1 linux-${kernel_version}/$1
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--- orig/linux-${kernel_version}/$1
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+++ linux-${kernel_version}/$1
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@@ -0,0 +1,1 @@
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+
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EOF
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}
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#########################
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# Argument verification #
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#########################
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qla2x00t="false"
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srpt="true"
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mpt_scst="false"
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scst_local="false"
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if [ ! -e scst -o ! -e iscsi-scst -o ! -e srpt -o ! -e scst_local ]; then
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echo "Please run this script from inside the SCST subversion source tree."
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exit 1
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fi
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set -- $(/usr/bin/getopt hlmq "$@")
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while [ "$1" != "${1#-}" ]
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do
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case "$1" in
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'-h') usage; exit 1;;
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'-l') scst_local="true"; shift;;
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'-m') mpt_scst="true"; shift;;
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'-q') qla2x00t="true"; shift;;
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'--') shift;;
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*) usage; exit 1;;
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esac
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done
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if [ $# != 1 ]; then
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usage
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exit 1
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fi
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####################
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# Patch Generation #
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####################
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# Strip patch level from the kernel version number.
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if [ "${1#[0-9]*.[0-9]*.[0-9]*.[0-9]*}" != "$1" ]; then
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kernel_version="${1%.[0-9]*}"
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else
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kernel_version="$1"
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fi
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kpatch=( \
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"scst/kernel/scst_exec_req_fifo-${kernel_version}.patch" \
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"iscsi-scst/kernel/patches/put_page_callback-${kernel_version}.patch" \
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)
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for p in "${kpatch[@]}"
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do
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if [ ! -e "$p" ]; then
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echo "Error: kernel version ${kernel_version} is not supported by SCST."
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echo "(could not find file $p)."
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exit 1
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fi >&2
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done
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# Redirect the output of all subsequent commands to the specialize-patch script
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trap "rm -f ${fifo}" EXIT
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fifo=/tmp/generate-kernel-patch-fifo.$$
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rm -f "${fifo}"
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mkfifo "${fifo}"
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"$(dirname $0)/specialize-patch" -v kernel_version="${kernel_version}" \
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< "${fifo}" &
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exec >"${fifo}"
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# General kernel patches.
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cat "${kpatch[@]}"
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# Directory include/scst/
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for f in scst/include/*h
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do
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add_file "${f}" "include/scst/${f#scst/include/}"
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done
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# Directory drivers/
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add_patch "scst/kernel/in-tree/Kconfig.drivers.Linux-${kernel_version}.patch" \
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"drivers/Kconfig"
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add_patch "scst/kernel/in-tree/Makefile.drivers.Linux-${kernel_version}.patch"\
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"drivers/Makefile"
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# Directory drivers/scst/
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add_file "scst/kernel/in-tree/Kconfig.scst" "drivers/scst/Kconfig"
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add_file "scst/kernel/in-tree/Makefile.scst" "drivers/scst/Makefile"
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add_file "scst/README_in-tree" "Documentation/scst/README.scst"
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for f in scst/src/*.[ch]
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do
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add_file "${f}" "drivers/scst/${f#scst/src/}"
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done
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# Directory drivers/scst/dev_handlers/
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add_file "scst/kernel/in-tree/Makefile.dev_handlers" \
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"drivers/scst/dev_handlers/Makefile"
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for f in scst/src/dev_handlers/*.[ch]
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do
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add_file "${f}" "drivers/scst/dev_handlers/${f#scst/src/dev_handlers/}"
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done
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# Directory drivers/scst/iscsi-scst/
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# Make sure the file iscsi-scst/iscsi_scst_itf_ver.h is up to date.
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make -s -C iscsi-scst include/iscsi_scst_itf_ver.h
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for f in iscsi-scst/include/*h
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do
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add_file "${f}" "include/scst/${f#iscsi-scst/include/}"
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done
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add_file "iscsi-scst/kernel/Makefile.in-kernel" \
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"drivers/scst/iscsi-scst/Makefile"
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add_file "iscsi-scst/kernel/Kconfig" "drivers/scst/iscsi-scst/Kconfig"
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for f in iscsi-scst/kernel/*.[ch]
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do
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add_file "${f}" "drivers/scst/iscsi-scst/${f#iscsi-scst/kernel/}"
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done
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# Directory drivers/scst/qla2x00-target/
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if [ "${qla2x00t}" = "true" ]; then
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add_file "qla2x00t/qla2x00-target/Makefile_in-tree" \
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"drivers/scst/qla2xxx-target/Makefile"
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add_file "qla2x00t/qla2x00-target/Kconfig" \
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"drivers/scst/qla2xxx-target/Kconfig"
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add_file "qla2x00t/qla2x_tgt_def.h" \
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"drivers/scst/qla2x00-target/qla2x_tgt_def.h"
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add_file "qla2x00t/qla2x00-target/README" \
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"Documentation/scst/README.qla2x00t"
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for f in qla2x00t/qla2x00-target/*.[ch]
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do
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add_file "${f}" "drivers/scst/qla2xxx-target/${f#qla2x00t/qla2x00-target/}"
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done
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else
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add_empty_file "drivers/scst/qla2xxx-target/Makefile"
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add_empty_file "drivers/scst/qla2xxx-target/Kconfig"
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fi
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# Directory drivers/scst/srpt
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if [ "$srpt" = "true" ]; then
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add_file "srpt/src/Kconfig" "drivers/scst/srpt/Kconfig"
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add_file "srpt/src/Makefile.in_kernel" "drivers/scst/srpt/Makefile"
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add_file "srpt/README" "Documentation/scst/README.srpt"
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for f in srpt/src/*.[ch]
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do
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add_file "${f}" "drivers/scst/srpt/${f#srpt/src/}"
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done
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else
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add_empty_file "drivers/scst/srpt/Kconfig"
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add_empty_file "drivers/scst/srpt/Makefile"
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fi
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# Directory drivers/message/fusion/mpt_scst
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if [ "$mpt_scst" = "true" ]; then
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add_patch "mpt/in-tree/Kconfig-2.6.24.diff" "drivers/message/fusion/Kconfig"
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add_patch "mpt/in-tree/Makefile.diff" "drivers/message/fusion/Makefile"
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add_file "mpt/Makefile" "drivers/message/fusion/mpt_scst/Makefile"
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add_file "mpt/Kconfig" "drivers/message/fusion/mpt_scst/Kconfig"
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for f in mpt/*.[ch]
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do
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add_file "${f}" "drivers/message/fusion/mpt_scst/${f#mpt/}"
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done
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else
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add_empty_file "drivers/message/fusion/Kconfig"
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add_empty_file "drivers/message/fusion/Makefile"
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fi
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# Directory drivers/scst/scst-local
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if [ "$scst_local" = "true" ]; then
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add_file "scst_local/in-tree/Kconfig" "drivers/scst/scst_local/Kconfig"
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add_file "scst_local/in-tree/Makefile" "drivers/scst/scst_local/Makefile"
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add_file "scst_local/scst_local.c" "drivers/scst/scst_local/scst_local.c"
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else
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add_empty_file "drivers/scst/scst_local/Kconfig"
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add_empty_file "drivers/scst/scst_local/Makefile"
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fi
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