vm_fault_address, [
#include <linux/mm.h>
],[
- struct vm_fault vmf;
- vmf.address = NULL;
+ unsigned long vaddr = ((struct vm_fault *)0)->address;
+ (void)vaddr;
],[
AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
[virtual_address has been replaced by address field])
EXTRA_KCFLAGS="$tmp_flags"
]) # LC_LM_COMPARE_OWNER_EXISTS
-AC_DEFUN([LC_PROG_LINUX_SRC], [])
-AC_DEFUN([LC_PROG_LINUX_RESULTS], [])
-
#
# LC_FSCRYPT_SUPPORT
#
]) # LC_FSCRYPT_SUPPORT
#
+# LC_HAVE_USER_NAMESPACE_ARG
+#
+# kernel 5.12 commit 549c7297717c32ee53f156cd949e055e601f67bb
+# fs: make helpers idmap mount aware
+# Extend some inode methods with an additional user namespace argument.
+#
+AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'inode_operations' members have user namespace argument],
+user_namespace_argument, [
+ #include <linux/fs.h>
+],[
+ ((struct inode_operations *)1)->getattr((struct user_namespace *)NULL,
+ NULL, NULL, 0, 0);
+],[
+ AC_DEFINE(HAVE_USER_NAMESPACE_ARG, 1,
+ ['inode_operations' members have user namespace argument])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_HAVE_USER_NAMESPACE_ARG
+
+AC_DEFUN([LC_PROG_LINUX_SRC], [])
+AC_DEFUN([LC_PROG_LINUX_RESULTS], [])
+
+#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
LC_BIO_BI_PHYS_SEGMENTS
LC_LM_COMPARE_OWNER_EXISTS
+ # 5.12
+ LC_HAVE_USER_NAMESPACE_ARG
+
# kernel patch to extend integrity interface
LC_BIO_INTEGRITY_PREP_FN