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Linux: use standard macro for set_nlink configure test

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A generic macro exists to test for functions in the kernel, use
it for set_nlink.

Reviewed-on: http://gerrit.openafs.org/6566
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
(cherry picked from commit 64bd0b728ca95ba7bb4f1fdd909386fde3ce81e1)

Change-Id: I93d169bec8f476d5e692f7f5a7fe31002af7ce1e
Reviewed-on: http://gerrit.openafs.org/6569
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
This commit is contained in:
Marc Dionne 2012-01-18 10:25:03 -05:00 committed by Derrick Brashear
parent e6ddb2a188
commit 39f0511911
3 changed files with 4 additions and 14 deletions
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4
acinclude.m4
View File

@ -887,6 +887,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
AC_CHECK_LINUX_FUNC([rcu_read_lock],
[#include <linux/rcupdate.h>],
[rcu_read_lock();])
AC_CHECK_LINUX_FUNC([set_nlink],
[#include <linux/fs.h>],
[set_nlink(NULL, 1);])
AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
[#include <linux/splice.h>],
[splice_direct_to_actor(NULL,NULL,NULL);])
@ -947,7 +950,6 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
LINUX_HAVE_DCACHE_LOCK
LINUX_D_COUNT_IS_INT
LINUX_HAVE_SET_NLINK
dnl If we are guaranteed that keyrings will work - that is
dnl a) The kernel has keyrings enabled

2
src/afs/LINUX/osi_vfsops.c
View File

@ -440,7 +440,7 @@ void
vattr2inode(struct inode *ip, struct vattr *vp)
{
ip->i_ino = vp->va_nodeid;
#ifdef HAVE_SET_NLINK
#ifdef HAVE_LINUX_SET_NLINK
set_nlink(ip, vp->va_nlink);
#else
ip->i_nlink = vp->va_nlink;

12
src/cf/linux-test4.m4
View File

@ -634,15 +634,3 @@ AC_DEFUN([LINUX_DOP_D_DELETE_TAKES_CONST], [
[define if dentry.d_op->d_delete takes a const argument],
[-Werror])
])
AC_DEFUN([LINUX_HAVE_SET_NLINK], [
AC_CHECK_LINUX_BUILD([for set_nlink],
[ac_cv_linux_have_set_nlink],
[#include <linux/fs.h>],
[struct inode _inode;
set_nlink(&_inode, 1);],
[HAVE_SET_NLINK],
[define if set_nlink exists],
[-Werror])
])