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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
75 lines
2.2 KiB
Plaintext
75 lines
2.2 KiB
Plaintext
AC_DEFUN([ZFS_AC_KERNEL_SRC_SETATTR_PREPARE], [
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dnl #
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dnl # 4.9 API change
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dnl # The inode_change_ok() function has been renamed setattr_prepare()
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dnl # and updated to take a dentry rather than an inode.
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dnl #
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ZFS_LINUX_TEST_SRC([setattr_prepare], [
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#include <linux/fs.h>
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], [
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struct dentry *dentry = NULL;
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struct iattr *attr = NULL;
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int error __attribute__ ((unused)) =
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setattr_prepare(dentry, attr);
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])
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dnl #
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dnl # 5.12 API change
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dnl # The setattr_prepare() function has been changed to accept a new argument
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dnl # for struct user_namespace*
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dnl #
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ZFS_LINUX_TEST_SRC([setattr_prepare_userns], [
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#include <linux/fs.h>
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], [
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struct dentry *dentry = NULL;
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struct iattr *attr = NULL;
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struct user_namespace *userns = NULL;
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int error __attribute__ ((unused)) =
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setattr_prepare(userns, dentry, attr);
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])
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dnl #
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dnl # 6.3 API change
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dnl # The first arg of setattr_prepare() is changed to struct mnt_idmap*
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dnl #
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ZFS_LINUX_TEST_SRC([setattr_prepare_mnt_idmap], [
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#include <linux/fs.h>
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], [
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struct dentry *dentry = NULL;
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struct iattr *attr = NULL;
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struct mnt_idmap *idmap = NULL;
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int error __attribute__ ((unused)) =
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setattr_prepare(idmap, dentry, attr);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SETATTR_PREPARE], [
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AC_MSG_CHECKING([whether setattr_prepare() is available and accepts struct mnt_idmap*])
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ZFS_LINUX_TEST_RESULT_SYMBOL([setattr_prepare_mnt_idmap],
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[setattr_prepare], [fs/attr.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_SETATTR_PREPARE_IDMAP, 1,
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[setattr_prepare() accepts mnt_idmap])
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], [
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AC_MSG_CHECKING([whether setattr_prepare() is available and accepts struct user_namespace*])
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ZFS_LINUX_TEST_RESULT_SYMBOL([setattr_prepare_userns],
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[setattr_prepare], [fs/attr.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_SETATTR_PREPARE_USERNS, 1,
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[setattr_prepare() accepts user_namespace])
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether setattr_prepare() is available, doesn't accept user_namespace])
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ZFS_LINUX_TEST_RESULT_SYMBOL([setattr_prepare],
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[setattr_prepare], [fs/attr.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_SETATTR_PREPARE_NO_USERNS, 1,
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[setattr_prepare() is available, doesn't accept 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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])
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