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8e002ee26e
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
109 lines
2.5 KiB
Plaintext
109 lines
2.5 KiB
Plaintext
dnl #
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dnl # 2.6.28 API change
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dnl # Added d_obtain_alias() helper function.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS], [
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ZFS_LINUX_TEST_SRC([d_obtain_alias], [
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#include <linux/dcache.h>
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], [
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d_obtain_alias(NULL);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [
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AC_MSG_CHECKING([whether d_obtain_alias() is available])
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ZFS_LINUX_TEST_RESULT_SYMBOL([d_obtain_alias],
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[d_obtain_alias], [fs/dcache.c], [
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AC_MSG_RESULT(yes)
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], [
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ZFS_LINUX_TEST_ERROR([d_obtain_alias()])
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])
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])
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dnl #
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dnl # 2.6.38 API change
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dnl # Added d_set_d_op() helper function.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_D_SET_D_OP], [
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ZFS_LINUX_TEST_SRC([d_set_d_op], [
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#include <linux/dcache.h>
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], [
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d_set_d_op(NULL, NULL);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], [
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AC_MSG_CHECKING([whether d_set_d_op() is available])
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ZFS_LINUX_TEST_RESULT_SYMBOL([d_set_d_op],
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[d_set_d_op], [fs/dcache.c], [
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AC_MSG_RESULT(yes)
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], [
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ZFS_LINUX_TEST_ERROR([d_set_d_op])
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])
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])
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dnl #
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dnl # 3.6 API change
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_D_REVALIDATE_NAMEIDATA], [
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ZFS_LINUX_TEST_SRC([dentry_operations_revalidate], [
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#include <linux/dcache.h>
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#include <linux/sched.h>
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static int revalidate (struct dentry *dentry,
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struct nameidata *nidata) { return 0; }
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static const struct dentry_operations
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dops __attribute__ ((unused)) = {
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.d_revalidate = revalidate,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [
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AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata])
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ZFS_LINUX_TEST_RESULT([dentry_operations_revalidate], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_D_REVALIDATE_NAMEIDATA, 1,
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[dops->d_revalidate() operation takes nameidata])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 2.6.38 API change
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dnl # Added sb->s_d_op default dentry_operations member
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_S_D_OP], [
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ZFS_LINUX_TEST_SRC([super_block_s_d_op], [
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#include <linux/fs.h>
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],[
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struct super_block sb __attribute__ ((unused));
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sb.s_d_op = NULL;
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_S_D_OP], [
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AC_MSG_CHECKING([whether super_block has s_d_op])
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ZFS_LINUX_TEST_RESULT([super_block_s_d_op], [
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AC_MSG_RESULT(yes)
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], [
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ZFS_LINUX_TEST_ERROR([super_block s_d_op])
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_DENTRY], [
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ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS
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ZFS_AC_KERNEL_SRC_D_SET_D_OP
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ZFS_AC_KERNEL_SRC_D_REVALIDATE_NAMEIDATA
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ZFS_AC_KERNEL_SRC_S_D_OP
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])
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AC_DEFUN([ZFS_AC_KERNEL_DENTRY], [
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ZFS_AC_KERNEL_D_OBTAIN_ALIAS
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ZFS_AC_KERNEL_D_SET_D_OP
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ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA
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ZFS_AC_KERNEL_S_D_OP
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])
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