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43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
From 729210564a5325e190fc4fba22bf17bacf957ace Mon Sep 17 00:00:00 2001
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From: Richard Yao <ryao@gentoo.org>
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Date: Mon, 25 Nov 2013 12:21:21 -0500
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Subject: [PATCH] Properly ignore bdi_setup_and_register return value
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This broke compilation against Linux 3.13 and GCC 4.7.3.
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Signed-off-by: Richard Yao <ryao@gentoo.org>
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Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
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Closes #1906
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---
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config/kernel-bdi-setup-and-register.m4 | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/config/kernel-bdi-setup-and-register.m4 b/config/kernel-bdi-setup-and-register.m4
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index 4196091..cb8ed67 100644
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--- a/config/kernel-bdi-setup-and-register.m4
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+++ b/config/kernel-bdi-setup-and-register.m4
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@@ -1,12 +1,14 @@
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dnl #
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dnl # 2.6.34 API change
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-dnl # The bdi_setup_and_register() helper function is avilable and
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+dnl # The bdi_setup_and_register() helper function is available and
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dnl # exported by the kernel. This is a trivial helper function but
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dnl # using it significantly simplifies the code surrounding setting
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dnl # up and tearing down the bdi structure.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER],
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[AC_MSG_CHECKING([whether bdi_setup_and_register() is available])
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+ tmp_flags="$EXTRA_KCFLAGS"
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+ EXTRA_KCFLAGS="-Wno-unused-result"
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ZFS_LINUX_TRY_COMPILE_SYMBOL([
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#include <linux/backing-dev.h>
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], [
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@@ -18,4 +20,5 @@ AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER],
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], [
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AC_MSG_RESULT(no)
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])
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+ EXTRA_KCFLAGS="$tmp_flags"
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])
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--
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1.8.5.5
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