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
88 lines
2.1 KiB
Plaintext
88 lines
2.1 KiB
Plaintext
AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_SETATTR], [
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dnl #
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dnl # Linux 6.3 API
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dnl # The first arg of setattr I/O operations handler type
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dnl # is changed to struct mnt_idmap*
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dnl #
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ZFS_LINUX_TEST_SRC([inode_operations_setattr_mnt_idmap], [
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#include <linux/fs.h>
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int test_setattr(
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struct mnt_idmap *idmap,
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struct dentry *de, struct iattr *ia)
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{ return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.setattr = test_setattr,
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};
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],[])
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dnl #
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dnl # Linux 5.12 API
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dnl # The setattr I/O operations handler type was extended to require
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dnl # a struct user_namespace* as its first arg, to support idmapped
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dnl # mounts.
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dnl #
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ZFS_LINUX_TEST_SRC([inode_operations_setattr_userns], [
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#include <linux/fs.h>
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int test_setattr(
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struct user_namespace *userns,
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struct dentry *de, struct iattr *ia)
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{ return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.setattr = test_setattr,
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};
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],[])
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ZFS_LINUX_TEST_SRC([inode_operations_setattr], [
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#include <linux/fs.h>
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int test_setattr(
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struct dentry *de, struct iattr *ia)
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{ return 0; }
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.setattr = test_setattr,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_INODE_SETATTR], [
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dnl #
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dnl # Kernel 6.3 test
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dnl #
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AC_MSG_CHECKING([whether iops->setattr() takes mnt_idmap])
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ZFS_LINUX_TEST_RESULT([inode_operations_setattr_mnt_idmap], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IDMAP_IOPS_SETATTR, 1,
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[iops->setattr() takes struct mnt_idmap*])
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],[
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AC_MSG_RESULT(no)
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dnl #
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dnl # Kernel 5.12 test
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dnl #
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AC_MSG_CHECKING([whether iops->setattr() takes user_namespace])
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ZFS_LINUX_TEST_RESULT([inode_operations_setattr_userns], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_USERNS_IOPS_SETATTR, 1,
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[iops->setattr() takes struct user_namespace*])
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],[
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether iops->setattr() exists])
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ZFS_LINUX_TEST_RESULT([inode_operations_setattr], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IOPS_SETATTR, 1,
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[iops->setattr() exists])
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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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])
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