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64afc4e66e
The kernel is now being compiled with -Wmissing-prototypes. Most of our test stub functions had no prototype, and failed to compile. Since they don't need to be visible anywhere else, just make them all static. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Sponsored-by: https://despairlabs.com/sponsor/ Closes #15805
110 lines
2.7 KiB
Plaintext
110 lines
2.7 KiB
Plaintext
dnl #
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dnl # Check for direct IO interfaces.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO], [
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ZFS_LINUX_TEST_SRC([direct_io_iter], [
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#include <linux/fs.h>
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static ssize_t test_direct_IO(struct kiocb *kiocb,
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struct iov_iter *iter) { return 0; }
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static const struct address_space_operations
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aops __attribute__ ((unused)) = {
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.direct_IO = test_direct_IO,
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};
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],[])
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ZFS_LINUX_TEST_SRC([direct_io_iter_offset], [
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#include <linux/fs.h>
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static ssize_t test_direct_IO(struct kiocb *kiocb,
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struct iov_iter *iter, loff_t offset) { return 0; }
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static const struct address_space_operations
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aops __attribute__ ((unused)) = {
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.direct_IO = test_direct_IO,
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};
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],[])
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ZFS_LINUX_TEST_SRC([direct_io_iter_rw_offset], [
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#include <linux/fs.h>
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static ssize_t test_direct_IO(int rw, struct kiocb *kiocb,
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struct iov_iter *iter, loff_t offset) { return 0; }
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static const struct address_space_operations
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aops __attribute__ ((unused)) = {
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.direct_IO = test_direct_IO,
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};
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],[])
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ZFS_LINUX_TEST_SRC([direct_io_iovec], [
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#include <linux/fs.h>
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static ssize_t test_direct_IO(int rw, struct kiocb *kiocb,
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const struct iovec *iov, loff_t offset,
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unsigned long nr_segs) { return 0; }
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static const struct address_space_operations
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aops __attribute__ ((unused)) = {
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.direct_IO = test_direct_IO,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_VFS_DIRECT_IO], [
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dnl #
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dnl # Linux 4.6.x API change
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dnl #
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AC_MSG_CHECKING([whether aops->direct_IO() uses iov_iter])
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ZFS_LINUX_TEST_RESULT([direct_io_iter], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_VFS_DIRECT_IO_ITER, 1,
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[aops->direct_IO() uses iov_iter without rw])
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],[
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AC_MSG_RESULT([no])
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dnl #
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dnl # Linux 4.1.x API change
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dnl #
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AC_MSG_CHECKING(
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[whether aops->direct_IO() uses offset])
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ZFS_LINUX_TEST_RESULT([direct_io_iter_offset], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_VFS_DIRECT_IO_ITER_OFFSET, 1,
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[aops->direct_IO() uses iov_iter with offset])
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],[
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AC_MSG_RESULT([no])
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dnl #
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dnl # Linux 3.16.x API change
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dnl #
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AC_MSG_CHECKING(
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[whether aops->direct_IO() uses rw and offset])
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ZFS_LINUX_TEST_RESULT([direct_io_iter_rw_offset], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_VFS_DIRECT_IO_ITER_RW_OFFSET, 1,
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[aops->direct_IO() uses iov_iter with ]
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[rw and offset])
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],[
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AC_MSG_RESULT([no])
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dnl #
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dnl # Ancient Linux API (predates git)
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dnl #
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AC_MSG_CHECKING(
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[whether aops->direct_IO() uses iovec])
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ZFS_LINUX_TEST_RESULT([direct_io_iovec], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_VFS_DIRECT_IO_IOVEC, 1,
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[aops->direct_IO() uses iovec])
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],[
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ZFS_LINUX_TEST_ERROR([direct IO])
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AC_MSG_RESULT([no])
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])
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])
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])
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])
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])
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