mirror_zfs/config/kernel-mkdir.m4
Rob Norris 02f4b63db9 config: remove checks with unused defines
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
2024-09-18 11:23:35 -07:00

86 lines
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dnl #
dnl # Supported mkdir() interfaces checked newest to oldest.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_MKDIR], [
dnl #
dnl # 6.3 API change
dnl # mkdir() takes struct mnt_idmap * as the first arg
dnl #
ZFS_LINUX_TEST_SRC([mkdir_mnt_idmap], [
#include <linux/fs.h>
static int mkdir(struct mnt_idmap *idmap,
struct inode *inode, struct dentry *dentry,
umode_t umode) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.mkdir = mkdir,
};
],[])
dnl #
dnl # 5.12 API change
dnl # The struct user_namespace arg was added as the first argument to
dnl # mkdir()
dnl #
ZFS_LINUX_TEST_SRC([mkdir_user_namespace], [
#include <linux/fs.h>
static int mkdir(struct user_namespace *userns,
struct inode *inode, struct dentry *dentry,
umode_t umode) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.mkdir = mkdir,
};
],[])
dnl #
dnl # 3.3 API change
dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a
dnl # umode_t type rather than an int. The expectation is that any backport
dnl # would also change all three prototypes. However, if it turns out that
dnl # some distribution doesn't backport the whole thing this could be
dnl # broken apart into three separate checks.
dnl #
ZFS_LINUX_TEST_SRC([inode_operations_mkdir], [
#include <linux/fs.h>
static int mkdir(struct inode *inode, struct dentry *dentry,
umode_t umode) { return 0; }
static const struct inode_operations
iops __attribute__ ((unused)) = {
.mkdir = mkdir,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_MKDIR], [
dnl #
dnl # 6.3 API change
dnl # mkdir() takes struct mnt_idmap * as the first arg
dnl #
AC_MSG_CHECKING([whether iops->mkdir() takes struct mnt_idmap*])
ZFS_LINUX_TEST_RESULT([mkdir_mnt_idmap], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_MKDIR_IDMAP, 1,
[iops->mkdir() takes struct mnt_idmap*])
],[
dnl #
dnl # 5.12 API change
dnl # The struct user_namespace arg was added as the first argument to
dnl # mkdir() of the iops structure.
dnl #
AC_MSG_CHECKING([whether iops->mkdir() takes struct user_namespace*])
ZFS_LINUX_TEST_RESULT([mkdir_user_namespace], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOPS_MKDIR_USERNS, 1,
[iops->mkdir() takes struct user_namespace*])
],[
AC_MSG_RESULT(no)
])
])
])