d4dc53dad2
Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap type for mounts (struct mnt_idmap), we need to detect these changes and make zfs work with the new APIs. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Youzhong Yang <yyang@mathworks.com> Closes #14682
55 lines
1.5 KiB
Plaintext
55 lines
1.5 KiB
Plaintext
AC_DEFUN([ZFS_AC_KERNEL_SRC_PERMISSION], [
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dnl #
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dnl # 6.3 API change
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dnl # iops->permission() now takes struct mnt_idmap*
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dnl # as its first arg
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dnl #
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ZFS_LINUX_TEST_SRC([permission_mnt_idmap], [
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#include <linux/fs.h>
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#include <linux/sched.h>
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int inode_permission(struct mnt_idmap *idmap,
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struct inode *inode, int mask) { return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.permission = inode_permission,
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};
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],[])
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dnl #
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dnl # 5.12 API change that added the struct user_namespace* arg
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dnl # to the front of this function type's arg list.
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dnl #
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ZFS_LINUX_TEST_SRC([permission_userns], [
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#include <linux/fs.h>
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#include <linux/sched.h>
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int inode_permission(struct user_namespace *userns,
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struct inode *inode, int mask) { return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.permission = inode_permission,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_PERMISSION], [
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AC_MSG_CHECKING([whether iops->permission() takes struct mnt_idmap*])
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ZFS_LINUX_TEST_RESULT([permission_mnt_idmap], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IOPS_PERMISSION_IDMAP, 1,
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[iops->permission() takes struct mnt_idmap*])
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],[
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AC_MSG_CHECKING([whether iops->permission() takes struct user_namespace*])
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ZFS_LINUX_TEST_RESULT([permission_userns], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IOPS_PERMISSION_USERNS, 1,
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[iops->permission() takes struct user_namespace*])
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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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