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-rw-r--r--config/kernel-file-inode.m419
1 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-file-inode.m4 b/config/kernel-file-inode.m4
new file mode 100644
index 000000000..300188fa3
--- /dev/null
+++ b/config/kernel-file-inode.m4
@@ -0,0 +1,19 @@
+dnl #
+dnl # 3.19 API change
+dnl # struct access f->f_dentry->d_inode was replaced by accessor function
+dnl # file_inode(f)
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_FILE_INODE], [
+ AC_MSG_CHECKING([whether file_inode() is available])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ struct file *f = NULL;
+ file_inode(f);
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FILE_INODE, 1, [file_inode() is available])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])