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Linux: fix statfs configure test

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The change to the statfs configure test that was made for 2.6.36
broke the test for older kernels.  The new test is based on a call,
and that will generate a warning but not an error when the arguments
don't match the prototype.

Take another tack, and revert to the old style test, but with the
simple_statfs function instead of vfs_statfs.

Reviewed-on: http://gerrit.openafs.org/2975
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
(cherry picked from commit 59927e20052c3f075e0269e46691bc94c3974f86)

Change-Id: Iaee4e3d62ce95c33539ba57c19ddc916b097deb2
Reviewed-on: http://gerrit.openafs.org/3521
Reviewed-by: Simon Wilkinson <sxw@inf.ed.ac.uk>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
This commit is contained in:
Marc Dionne 2010-10-13 19:11:25 -04:00 committed by Derrick Brashear
parent 4fcda9a268
commit fa0aca7bde
1 changed files with 1 additions and 4 deletions
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5
src/cf/linux-test4.m4
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@ -734,10 +734,7 @@ AC_DEFUN([LINUX_STATFS_TAKES_DENTRY], [
AC_TRY_KBUILD( AC_TRY_KBUILD(
[#include <linux/fs.h> [#include <linux/fs.h>
#include <linux/statfs.h>], #include <linux/statfs.h>],
[struct super_block _sb; [extern int simple_statfs(struct dentry *, struct kstatfs *);],
struct dentry _dentry;
struct kstatfs _kstatfs;
(void)_sb.s_op->statfs(&_dentry, &_kstatfs);],
ac_cv_linux_statfs_takes_dentry=yes, ac_cv_linux_statfs_takes_dentry=yes,
ac_cv_linux_statfs_takes_dentry=no)]) ac_cv_linux_statfs_takes_dentry=no)])
AC_MSG_RESULT($ac_cv_linux_statfs_takes_dentry)]) AC_MSG_RESULT($ac_cv_linux_statfs_takes_dentry)])