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Linux 6.17: d_set_d_op() is no longer available

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We only have extremely narrow uses, so move it all into a single
function that does only what we need, with and without d_set_d_op().

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17621
This commit is contained in:
Rob Norris
2025-07-31 13:12:43 +10:00
committed by Tony Hutter
parent f3421697d0
commit 7d7ae8979a
3 changed files with 55 additions and 36 deletions
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config/kernel-dentry-operations.m4
+7 -3
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@@ -24,6 +24,9 @@ dnl #
dnl # 2.6.38 API change
dnl # Added d_set_d_op() helper function.
dnl #
dnl # 6.17 API change
dnl # d_set_d_op() removed. No direct replacement.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_D_SET_D_OP], [
ZFS_LINUX_TEST_SRC([d_set_d_op], [
#include <linux/dcache.h>
@@ -34,11 +37,12 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_D_SET_D_OP], [
AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], [
AC_MSG_CHECKING([whether d_set_d_op() is available])
ZFS_LINUX_TEST_RESULT_SYMBOL([d_set_d_op],
[d_set_d_op], [fs/dcache.c], [
ZFS_LINUX_TEST_RESULT([d_set_d_op], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_D_SET_D_OP, 1,
[Define if d_set_d_op() is available])
], [
ZFS_LINUX_TEST_ERROR([d_set_d_op])
AC_MSG_RESULT(no)
])
])