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02f4b63db9
All of these set a #define that doesn't appear anywhere in the tree. Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #16479
61 lines
1.7 KiB
Plaintext
61 lines
1.7 KiB
Plaintext
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_ITERATE], [
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ZFS_LINUX_TEST_SRC([file_operations_iterate_shared], [
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#include <linux/fs.h>
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static int iterate(struct file *filp, struct dir_context * context)
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{ return 0; }
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static const struct file_operations fops
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__attribute__ ((unused)) = {
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.iterate_shared = iterate,
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};
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],[])
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ZFS_LINUX_TEST_SRC([file_operations_iterate], [
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#include <linux/fs.h>
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static int iterate(struct file *filp,
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struct dir_context *context) { return 0; }
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static const struct file_operations fops
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__attribute__ ((unused)) = {
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.iterate = iterate,
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};
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#if defined(FMODE_KABI_ITERATE)
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#error "RHEL 7.5, FMODE_KABI_ITERATE interface"
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#endif
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_VFS_ITERATE], [
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dnl #
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dnl # 4.7 API change
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dnl #
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AC_MSG_CHECKING([whether fops->iterate_shared() is available])
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ZFS_LINUX_TEST_RESULT([file_operations_iterate_shared], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_VFS_ITERATE_SHARED, 1,
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[fops->iterate_shared() is available])
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],[
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AC_MSG_RESULT(no)
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dnl #
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dnl # 3.11 API change
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dnl #
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dnl # RHEL 7.5 compatibility; the fops.iterate() method was
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dnl # added to the file_operations structure but in order to
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dnl # maintain KABI compatibility all callers must set
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dnl # FMODE_KABI_ITERATE which is checked in iterate_dir().
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dnl # When detected ignore this interface and fallback to
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dnl # to using fops.readdir() to retain KABI compatibility.
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dnl #
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AC_MSG_CHECKING([whether fops->iterate() is available])
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ZFS_LINUX_TEST_RESULT([file_operations_iterate], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_VFS_ITERATE, 1,
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[fops->iterate() is available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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])
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