The patch titled
Subject: ocfs2: improve ocfs2 Makefile
has been added to the -mm tree. Its filename is
ocfs2-improve-ocfs2-makefile.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-improve-ocfs2-makefile.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-improve-ocfs2-makefile.patch
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------------------------------------------------------
From: Larry Chen <lchen@xxxxxxxx>
Subject: ocfs2: improve ocfs2 Makefile
Included file path was hard-wired in the ocfs2 makefile, which might
causes some confusion when compiling ocfs2 as an external module.
Say if we compile ocfs2 module as following.
cp -r /kernel/tree/fs/ocfs2 /other/dir/ocfs2
cd /other/dir/ocfs2
make -C /path/to/kernel_source M=`pwd` modules
Acutally, the compiler wil try to find included file in
/kernel/tree/fs/ocfs2, rather than the directory /other/dir/ocfs2.
To fix this little bug, we introduce the var $(src) provided by kbuild.
$(src) means the absolute path of the running kbuild file.
Link: http://lkml.kernel.org/r/20181108085546.15149-1-lchen@xxxxxxxx
Signed-off-by: Larry Chen <lchen@xxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <jiangqi903@xxxxxxxxx>
Cc: Changwei Ge <ge.changwei@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/Makefile | 2 +-
fs/ocfs2/dlm/Makefile | 2 +-
fs/ocfs2/dlmfs/Makefile | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
--- a/fs/ocfs2/dlmfs/Makefile~ocfs2-improve-ocfs2-makefile
+++ a/fs/ocfs2/dlmfs/Makefile
@@ -1,4 +1,4 @@
-ccflags-y := -Ifs/ocfs2
+ccflags-y := -I$(src)/..
obj-$(CONFIG_OCFS2_FS) += ocfs2_dlmfs.o
--- a/fs/ocfs2/dlm/Makefile~ocfs2-improve-ocfs2-makefile
+++ a/fs/ocfs2/dlm/Makefile
@@ -1,4 +1,4 @@
-ccflags-y := -Ifs/ocfs2
+ccflags-y := -I$(src)/..
obj-$(CONFIG_OCFS2_FS_O2CB) += ocfs2_dlm.o
--- a/fs/ocfs2/Makefile~ocfs2-improve-ocfs2-makefile
+++ a/fs/ocfs2/Makefile
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-ccflags-y := -Ifs/ocfs2
+ccflags-y := -I$(src)
obj-$(CONFIG_OCFS2_FS) += \
ocfs2.o \
_
Patches currently in -mm which might be from lchen@xxxxxxxx are
ocfs2-fix-dead-lock-caused-by-ocfs2_defrag_extent.patch
ocfs2-improve-ocfs2-makefile.patch
