FreeBSD: Add zfs_link_create() error handling

[mirror_zfs.git] / config / kernel-vfs-rw-iterate.m4

diff --git a/config/kernel-vfs-rw-iterate.m4 b/config/kernel-vfs-rw-iterate.m4
index f8dc4222968680db788ee5b507875e26489f8475..cb20ed03099a47f4c05c75f16847bc7cfda89ccb 100644 (file)
--- a/config/kernel-vfs-rw-iterate.m4
+++ b/config/kernel-vfs-rw-iterate.m4
@@ -1,14 +1,13 @@
 dnl #
-dnl # Linux 4.1.x API
+dnl # Linux 3.16 API
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE],
-       [AC_MSG_CHECKING([whether fops->read/write_iter() are available])
-       ZFS_LINUX_TRY_COMPILE([
+AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE], [
+       ZFS_LINUX_TEST_SRC([file_operations_rw], [
                #include <linux/fs.h>
 
-               ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to)
+               static ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to)
                    { return 0; }
-               ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from)
+               static ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from)
                    { return 0; }
 
                static const struct file_operations
@@ -16,11 +15,65 @@ AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE],
                    .read_iter = test_read,
                    .write_iter = test_write,
                };
+       ],[])
+
+       ZFS_LINUX_TEST_SRC([new_sync_rw], [
+               #include <linux/fs.h>
        ],[
-       ],[
+               ssize_t ret __attribute__ ((unused));
+               struct file *filp = NULL;
+               char __user *rbuf = NULL;
+               const char __user *wbuf = NULL;
+               size_t len = 0;
+               loff_t ppos;
+
+               ret = new_sync_read(filp, rbuf, len, &ppos);
+               ret = new_sync_write(filp, wbuf, len, &ppos);
+       ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE], [
+       AC_MSG_CHECKING([whether fops->read/write_iter() are available])
+       ZFS_LINUX_TEST_RESULT([file_operations_rw], [
                AC_MSG_RESULT(yes)
                AC_DEFINE(HAVE_VFS_RW_ITERATE, 1,
-                       [fops->read/write_iter() are available])
+                   [fops->read/write_iter() are available])
+
+               dnl #
+               dnl # Linux 4.1 API
+               dnl #
+               AC_MSG_CHECKING([whether new_sync_read/write() are available])
+               ZFS_LINUX_TEST_RESULT([new_sync_rw], [
+                       AC_MSG_RESULT(yes)
+                       AC_DEFINE(HAVE_NEW_SYNC_READ, 1,
+                           [new_sync_read()/new_sync_write() are available])
+               ],[
+                       AC_MSG_RESULT(no)
+               ])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])
+
+dnl #
+dnl # Linux 4.1.x API
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS], [
+       ZFS_LINUX_TEST_SRC([generic_write_checks], [
+               #include <linux/fs.h>
+       ],[
+               struct kiocb *iocb = NULL;
+               struct iov_iter *iov = NULL;
+               generic_write_checks(iocb, iov);
+       ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS], [
+       AC_MSG_CHECKING([whether generic_write_checks() takes kiocb])
+       ZFS_LINUX_TEST_RESULT([generic_write_checks], [
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_GENERIC_WRITE_CHECKS_KIOCB, 1,
+                   [generic_write_checks() takes kiocb])
        ],[
                AC_MSG_RESULT(no)
        ])