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
87 lines
2.7 KiB
Plaintext
87 lines
2.7 KiB
Plaintext
dnl #
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dnl # 3.11 API change
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dnl # Add support for i_op->tmpfile
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_TMPFILE], [
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dnl #
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dnl # 6.3 API change
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dnl # The first arg is now struct mnt_idmap *
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dnl #
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ZFS_LINUX_TEST_SRC([inode_operations_tmpfile_mnt_idmap], [
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#include <linux/fs.h>
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int tmpfile(struct mnt_idmap *idmap,
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struct inode *inode, struct file *file,
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umode_t mode) { return 0; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.tmpfile = tmpfile,
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};
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],[])
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dnl # 6.1 API change
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dnl # use struct file instead of struct dentry
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dnl #
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ZFS_LINUX_TEST_SRC([inode_operations_tmpfile], [
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#include <linux/fs.h>
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int tmpfile(struct user_namespace *userns,
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struct inode *inode, struct file *file,
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umode_t mode) { return 0; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.tmpfile = tmpfile,
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};
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],[])
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dnl #
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dnl # 5.11 API change
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dnl # add support for userns parameter to tmpfile
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dnl #
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ZFS_LINUX_TEST_SRC([inode_operations_tmpfile_dentry_userns], [
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#include <linux/fs.h>
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int tmpfile(struct user_namespace *userns,
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struct inode *inode, struct dentry *dentry,
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umode_t mode) { return 0; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.tmpfile = tmpfile,
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};
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],[])
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ZFS_LINUX_TEST_SRC([inode_operations_tmpfile_dentry], [
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#include <linux/fs.h>
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int tmpfile(struct inode *inode, struct dentry *dentry,
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umode_t mode) { return 0; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.tmpfile = tmpfile,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_TMPFILE], [
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AC_MSG_CHECKING([whether i_op->tmpfile() exists])
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ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile_mnt_idmap], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists])
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AC_DEFINE(HAVE_TMPFILE_IDMAP, 1, [i_op->tmpfile() has mnt_idmap])
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], [
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ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists])
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AC_DEFINE(HAVE_TMPFILE_USERNS, 1, [i_op->tmpfile() has userns])
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],[
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ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile_dentry_userns], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists])
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AC_DEFINE(HAVE_TMPFILE_USERNS, 1, [i_op->tmpfile() has userns])
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AC_DEFINE(HAVE_TMPFILE_DENTRY, 1, [i_op->tmpfile() uses old dentry signature])
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],[
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ZFS_LINUX_TEST_RESULT([inode_operations_tmpfile_dentry], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_TMPFILE, 1, [i_op->tmpfile() exists])
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AC_DEFINE(HAVE_TMPFILE_DENTRY, 1, [i_op->tmpfile() uses old dentry signature])
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],[
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ZFS_LINUX_REQUIRE_API([i_op->tmpfile()], [3.11])
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])
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])
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])
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])
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])
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