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zfs: Fix compilation on 3.13 and later kernels

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This commit is contained in:
Ricardo M. Correia 2014-03-04 02:22:06 +01:00
parent c5b3257388
commit a7e65a8a95
2 changed files with 44 additions and 1 deletions
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43
pkgs/os-specific/linux/zfs/3.13-compat.patch Normal file
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@ -0,0 +1,43 @@
From 729210564a5325e190fc4fba22bf17bacf957ace Mon Sep 17 00:00:00 2001
From: Richard Yao <ryao@gentoo.org>
Date: Mon, 25 Nov 2013 12:21:21 -0500
Subject: [PATCH] Properly ignore bdi_setup_and_register return value
This broke compilation against Linux 3.13 and GCC 4.7.3.
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1906
---
config/kernel-bdi-setup-and-register.m4 | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/config/kernel-bdi-setup-and-register.m4 b/config/kernel-bdi-setup-and-register.m4
index 4196091..cb8ed67 100644
--- a/config/kernel-bdi-setup-and-register.m4
+++ b/config/kernel-bdi-setup-and-register.m4
@@ -1,12 +1,14 @@
dnl #
dnl # 2.6.34 API change
-dnl # The bdi_setup_and_register() helper function is avilable and
+dnl # The bdi_setup_and_register() helper function is available and
dnl # exported by the kernel. This is a trivial helper function but
dnl # using it significantly simplifies the code surrounding setting
dnl # up and tearing down the bdi structure.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER],
[AC_MSG_CHECKING([whether bdi_setup_and_register() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-result"
ZFS_LINUX_TRY_COMPILE_SYMBOL([
#include <linux/backing-dev.h>
], [
@@ -18,4 +20,5 @@ AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER],
], [
AC_MSG_RESULT(no)
])
+ EXTRA_KCFLAGS="$tmp_flags"
])
--
1.8.5.5

2
pkgs/os-specific/linux/zfs/default.nix
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@ -8,7 +8,7 @@ stdenv.mkDerivation {
sha256 = "18b5f18k8mwb17r5ippsilmp1a2sqjw9fwn0z82159dkhsadg33b";
};
patches = [ ./mount_zfs_prefix.patch ./nix-build.patch ./libblkid-1db7b9b.patch ./gcc-4.8.patch ];
patches = [ ./mount_zfs_prefix.patch ./nix-build.patch ./libblkid-1db7b9b.patch ./gcc-4.8.patch ./3.13-compat.patch ];
buildInputs = [ spl perl autoconf automake libtool zlib libuuid coreutils ];