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e6713cfd54
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
256 lines
7.1 KiB
Plaintext
256 lines
7.1 KiB
Plaintext
dnl #
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dnl # 2.6.35 API change,
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dnl # The 'struct xattr_handler' was constified in the generic
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dnl # super_block structure.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER], [
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ZFS_LINUX_TEST_SRC([const_xattr_handler], [
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#include <linux/fs.h>
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#include <linux/xattr.h>
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const struct xattr_handler xattr_test_handler = {
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.prefix = "test",
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.get = NULL,
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.set = NULL,
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};
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const struct xattr_handler *xattr_handlers[] = {
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&xattr_test_handler,
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};
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const struct super_block sb __attribute__ ((unused)) = {
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.s_xattr = xattr_handlers,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], [
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AC_MSG_CHECKING([whether super_block uses const struct xattr_handler])
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ZFS_LINUX_TEST_RESULT([const_xattr_handler], [
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AC_MSG_RESULT([yes])
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],[
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ZFS_LINUX_TEST_ERROR([const xattr_handler])
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])
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])
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dnl #
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dnl # Supported xattr handler get() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET], [
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ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode], [
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#include <linux/xattr.h>
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static int get(const struct xattr_handler *handler,
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struct dentry *dentry, struct inode *inode,
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const char *name, void *buffer, size_t size) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.get = get,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode_flags], [
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#include <linux/xattr.h>
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static int get(const struct xattr_handler *handler,
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struct dentry *dentry, struct inode *inode,
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const char *name, void *buffer,
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size_t size, int flags) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.get = get,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
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dnl #
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dnl # 4.7 API change,
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dnl # The xattr_handler->get() callback was changed to take both
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dnl # dentry and inode.
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dnl #
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AC_MSG_CHECKING([whether xattr_handler->get() wants dentry and inode])
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ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1,
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[xattr_handler->get() wants both dentry and inode])
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],[
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dnl #
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dnl # Android API change,
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dnl # The xattr_handler->get() callback was
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dnl # changed to take dentry, inode and flags.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(
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[whether xattr_handler->get() wants dentry and inode and flags])
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ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode_flags], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE_FLAGS, 1,
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[xattr_handler->get() wants dentry and inode and flags])
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],[
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ZFS_LINUX_TEST_ERROR([xattr get()])
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])
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])
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])
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dnl #
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dnl # Supported xattr handler set() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET], [
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ZFS_LINUX_TEST_SRC([xattr_handler_set_mnt_idmap], [
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#include <linux/xattr.h>
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static int set(const struct xattr_handler *handler,
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struct mnt_idmap *idmap,
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struct dentry *dentry, struct inode *inode,
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const char *name, const void *buffer,
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size_t size, int flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_set_userns], [
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#include <linux/xattr.h>
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static int set(const struct xattr_handler *handler,
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struct user_namespace *mnt_userns,
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struct dentry *dentry, struct inode *inode,
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const char *name, const void *buffer,
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size_t size, int flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry_inode], [
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#include <linux/xattr.h>
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static int set(const struct xattr_handler *handler,
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struct dentry *dentry, struct inode *inode,
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const char *name, const void *buffer,
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size_t size, int flags)
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{ return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.set = set,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
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dnl #
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dnl # 5.12 API change,
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dnl # The xattr_handler->set() callback was changed to 8 arguments, and
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dnl # struct user_namespace* was inserted as arg #2
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dnl #
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dnl # 6.3 API change,
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dnl # The xattr_handler->set() callback 2nd arg is now struct mnt_idmap *
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dnl #
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AC_MSG_CHECKING([whether xattr_handler->set() wants dentry, inode, and mnt_idmap])
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ZFS_LINUX_TEST_RESULT([xattr_handler_set_mnt_idmap], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_IDMAP, 1,
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[xattr_handler->set() takes mnt_idmap])
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], [
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AC_MSG_CHECKING([whether xattr_handler->set() wants dentry, inode, and user_namespace])
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ZFS_LINUX_TEST_RESULT([xattr_handler_set_userns], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_USERNS, 1,
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[xattr_handler->set() takes user_namespace])
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],[
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dnl #
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dnl # 4.7 API change,
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dnl # The xattr_handler->set() callback was changed to take both
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dnl # dentry and inode.
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dnl #
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether xattr_handler->set() wants dentry and inode])
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ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry_inode], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_SET_DENTRY_INODE, 1,
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[xattr_handler->set() wants both dentry and inode])
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],[
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ZFS_LINUX_TEST_ERROR([xattr set()])
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])
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])
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])
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])
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dnl #
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dnl # Supported xattr handler list() interfaces checked newest to oldest.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST], [
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ZFS_LINUX_TEST_SRC([xattr_handler_list_simple], [
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#include <linux/xattr.h>
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static bool list(struct dentry *dentry) { return 0; }
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static const struct xattr_handler
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xops __attribute__ ((unused)) = {
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.list = list,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [
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dnl # 4.5 API change,
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dnl # The xattr_handler->list() callback was changed to take only a
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dnl # dentry and it only needs to return if it's accessible.
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AC_MSG_CHECKING([whether xattr_handler->list() wants simple])
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ZFS_LINUX_TEST_RESULT([xattr_handler_list_simple], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_XATTR_LIST_SIMPLE, 1,
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[xattr_handler->list() wants simple])
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],[
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 4.9 API change,
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dnl # iops->{set,get,remove}xattr and generic_{set,get,remove}xattr are
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dnl # removed. xattr operations will directly go through sb->s_xattr.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR], [
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ZFS_LINUX_TEST_SRC([have_generic_setxattr], [
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#include <linux/fs.h>
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#include <linux/xattr.h>
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static const struct inode_operations
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iops __attribute__ ((unused)) = {
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.setxattr = generic_setxattr
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_GENERIC_SETXATTR], [
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AC_MSG_CHECKING([whether generic_setxattr() exists])
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ZFS_LINUX_TEST_RESULT([have_generic_setxattr], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_GENERIC_SETXATTR, 1,
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[generic_setxattr() 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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AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR], [
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ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER
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ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET
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ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET
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ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST
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ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR
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])
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AC_DEFUN([ZFS_AC_KERNEL_XATTR], [
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ZFS_AC_KERNEL_CONST_XATTR_HANDLER
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ZFS_AC_KERNEL_XATTR_HANDLER_GET
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ZFS_AC_KERNEL_XATTR_HANDLER_SET
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ZFS_AC_KERNEL_XATTR_HANDLER_LIST
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ZFS_AC_KERNEL_GENERIC_SETXATTR
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])
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