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-rw-r--r--config/kernel-setattr-prepare.m423
-rw-r--r--config/kernel.m41
2 files changed, 24 insertions, 0 deletions
diff --git a/config/kernel-setattr-prepare.m4 b/config/kernel-setattr-prepare.m4
new file mode 100644
index 000000000..32f7deb77
--- /dev/null
+++ b/config/kernel-setattr-prepare.m4
@@ -0,0 +1,23 @@
+dnl #
+dnl # 4.9 API change
+dnl # The inode_change_ok() function has been renamed setattr_prepare()
+dnl # and updated to take a dentry rather than an inode.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SETATTR_PREPARE],
+ [AC_MSG_CHECKING([whether setattr_prepare() is available])
+ ZFS_LINUX_TRY_COMPILE_SYMBOL([
+ #include <linux/fs.h>
+ ], [
+ struct dentry *dentry = NULL;
+ struct iattr *attr = NULL;
+ int error;
+
+ error = setattr_prepare(dentry, attr);
+ ], [setattr_prepare], [fs/attr.c], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SETATTR_PREPARE, 1,
+ [setattr_prepare() is available])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index 66e97c250..44a20f213 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -74,6 +74,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE
ZFS_AC_KERNEL_COMMIT_METADATA
ZFS_AC_KERNEL_CLEAR_INODE
+ ZFS_AC_KERNEL_SETATTR_PREPARE
ZFS_AC_KERNEL_INSERT_INODE_LOCKED
ZFS_AC_KERNEL_D_MAKE_ROOT
ZFS_AC_KERNEL_D_OBTAIN_ALIAS