diff options
Diffstat (limited to 'sys/contrib/openzfs/config/kernel-vfs-direct_IO.m4')
| -rw-r--r-- | sys/contrib/openzfs/config/kernel-vfs-direct_IO.m4 | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/sys/contrib/openzfs/config/kernel-vfs-direct_IO.m4 b/sys/contrib/openzfs/config/kernel-vfs-direct_IO.m4 deleted file mode 100644 index 17605a13fdef..000000000000 --- a/sys/contrib/openzfs/config/kernel-vfs-direct_IO.m4 +++ /dev/null @@ -1,57 +0,0 @@ -dnl # -dnl # Check for Direct I/O interfaces. -dnl # -AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO], [ - ZFS_LINUX_TEST_SRC([direct_io_iter], [ - #include <linux/fs.h> - - static ssize_t test_direct_IO(struct kiocb *kiocb, - struct iov_iter *iter) { return 0; } - - static const struct address_space_operations - aops __attribute__ ((unused)) = { - .direct_IO = test_direct_IO, - }; - ],[]) - - ZFS_LINUX_TEST_SRC([direct_io_iter_offset], [ - #include <linux/fs.h> - - static ssize_t test_direct_IO(struct kiocb *kiocb, - struct iov_iter *iter, loff_t offset) { return 0; } - - static const struct address_space_operations - aops __attribute__ ((unused)) = { - .direct_IO = test_direct_IO, - }; - ],[]) -]) - -AC_DEFUN([ZFS_AC_KERNEL_VFS_DIRECT_IO], [ - dnl # - dnl # Linux 4.6.x API change - dnl # - AC_MSG_CHECKING([whether aops->direct_IO() uses iov_iter]) - ZFS_LINUX_TEST_RESULT([direct_io_iter], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_VFS_DIRECT_IO_ITER, 1, - [aops->direct_IO() uses iov_iter without rw]) - ],[ - AC_MSG_RESULT([no]) - - dnl # - dnl # Linux 4.1.x API change - dnl # - AC_MSG_CHECKING( - [whether aops->direct_IO() uses offset]) - ZFS_LINUX_TEST_RESULT([direct_io_iter_offset], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_VFS_DIRECT_IO_ITER_OFFSET, 1, - [aops->direct_IO() uses iov_iter with offset]) - - ],[ - AC_MSG_RESULT([no]) - ZFS_LINUX_TEST_ERROR([Direct I/O]) - ]) - ]) -]) |