Linux: 3.1: adapt to fsync changes

[openafs.git] / src / cf / linux-test4.m4

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index efe1b5a..8d401be 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -414,6 +414,22 @@ struct dentry _d;
 ])
 
 
+int (*fsync) (struct file *, loff_t start, loff_t end, int datasync);
+
+AC_DEFUN([LINUX_FOP_F_FSYNC_TAKES_RANGE], [
+  AC_CHECK_LINUX_BUILD([whether file_operations.fsync takes a range],
+                      [ac_cv_linux_func_f_fsync_takes_range],
+                      [#include <linux/fs.h>],
+[struct inode _inode;
+struct file _file;
+loff_t start, end;
+(void)_inode.i_fop->fsync(&_file, start, end, 0);],
+                      [FOP_FSYNC_TAKES_RANGE],
+                      [define if your fops.fsync takes range arguments],
+                      [])
+])
+
+
 AC_DEFUN([LINUX_HAVE_KMEM_CACHE_T], [
   AC_CHECK_LINUX_BUILD([whether kmem_cache_t exists],
                       [ac_cv_linux_have_kmem_cache_t],