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config: remove HAVE_XATTR_GET_DENTRY_INODE

Browse Source 
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
This commit is contained in:
Rob Norris 2024-08-16 18:50:48 +10:00 committed by Brian Behlendorf
parent e055f0e053
commit 1af510b550
2 changed files with 22 additions and 57 deletions
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53
config/kernel-xattr-handler.m4
View File

@ -34,21 +34,11 @@ AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], [
])
dnl #
dnl # Supported xattr handler get() interfaces checked newest to oldest.
dnl # Android API change,
dnl # The xattr_handler->get() callback was
dnl # changed to take dentry, inode and flags.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET], [
ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode], [
#include <linux/xattr.h>
static int get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
const char *name, void *buffer, size_t size) { return 0; }
static const struct xattr_handler
xops __attribute__ ((unused)) = {
.get = get,
};
],[])
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET_DENTRY_INODE_FLAGS], [
ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode_flags], [
#include <linux/xattr.h>
@ -63,33 +53,16 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET], [
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
dnl #
dnl # 4.7 API change,
dnl # The xattr_handler->get() callback was changed to take both
dnl # dentry and inode.
dnl #
AC_MSG_CHECKING([whether xattr_handler->get() wants dentry and inode])
ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode], [
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET_DENTRY_INODE_FLAGS], [
AC_MSG_RESULT(no)
AC_MSG_CHECKING(
[whether xattr_handler->get() wants dentry and inode and flags])
ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode_flags], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1,
[xattr_handler->get() wants both dentry and inode])
AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE_FLAGS, 1,
[xattr_handler->get() wants dentry and inode and flags])
],[
dnl #
dnl # Android API change,
dnl # The xattr_handler->get() callback was
dnl # changed to take dentry, inode and flags.
dnl #
AC_MSG_RESULT(no)
AC_MSG_CHECKING(
[whether xattr_handler->get() wants dentry and inode and flags])
ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode_flags], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE_FLAGS, 1,
[xattr_handler->get() wants dentry and inode and flags])
],[
ZFS_LINUX_TEST_ERROR([xattr get()])
])
])
])
@ -211,14 +184,14 @@ AC_DEFUN([ZFS_AC_KERNEL_GENERIC_SETXATTR], [
AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR], [
ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET_DENTRY_INODE_FLAGS
ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET
ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR
])
AC_DEFUN([ZFS_AC_KERNEL_XATTR], [
ZFS_AC_KERNEL_CONST_XATTR_HANDLER
ZFS_AC_KERNEL_XATTR_HANDLER_GET
ZFS_AC_KERNEL_XATTR_HANDLER_GET_DENTRY_INODE_FLAGS
ZFS_AC_KERNEL_XATTR_HANDLER_SET
ZFS_AC_KERNEL_GENERIC_SETXATTR
])

26
include/os/linux/kernel/linux/xattr_compat.h
View File

@ -47,25 +47,11 @@ fn(struct dentry *dentry) \
return (!!__ ## fn(dentry->d_inode, NULL, 0, NULL, 0)); \
}
/*
* 4.7 API change,
* The xattr_handler->get() callback was changed to take a both dentry and
* inode, because the dentry might not be attached to an inode yet.
*/
#if defined(HAVE_XATTR_GET_DENTRY_INODE)
#define ZPL_XATTR_GET_WRAPPER(fn) \
static int \
fn(const struct xattr_handler *handler, struct dentry *dentry, \
struct inode *inode, const char *name, void *buffer, size_t size) \
{ \
return (__ ## fn(inode, name, buffer, size)); \
}
#ifdef HAVE_XATTR_GET_DENTRY_INODE_FLAGS
/*
* Android API change,
* The xattr_handler->get() callback was changed to take a dentry and inode
* and flags, because the dentry might not be attached to an inode yet.
* The xattr_handler->get() callback also takes a flags arg.
*/
#elif defined(HAVE_XATTR_GET_DENTRY_INODE_FLAGS)
#define ZPL_XATTR_GET_WRAPPER(fn) \
static int \
fn(const struct xattr_handler *handler, struct dentry *dentry, \
@ -75,7 +61,13 @@ fn(const struct xattr_handler *handler, struct dentry *dentry, \
return (__ ## fn(inode, name, buffer, size)); \
}
#else
#error "Unsupported kernel"
#define ZPL_XATTR_GET_WRAPPER(fn) \
static int \
fn(const struct xattr_handler *handler, struct dentry *dentry, \
struct inode *inode, const char *name, void *buffer, size_t size) \
{ \
return (__ ## fn(inode, name, buffer, size)); \
}
#endif
/*