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Linux 4.4 compat: xattr operations takes xattr_handler

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The xattr_hander->{list,get,set} were changed to take a xattr_handler,
and handler_flags argument was removed and should be accessed by
handler->flags.

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4021
This commit is contained in:
Chunwei Chen
2015-11-23 15:06:46 -08:00
committed by Brian Behlendorf
parent 1a09371678
commit 61d482f7cd
3 changed files with 164 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
config/kernel-xattr-handler.m4
+69
View File
@@ -37,6 +37,11 @@ dnl # 2.6.33 API change,
dnl # The xattr_hander->get() callback was changed to take a dentry
dnl # instead of an inode, and a handler_flags argument was added.
dnl #
dnl # 4.4 API change,
dnl # The xattr_hander->get() callback was changed to take a xattr_handler,
dnl # and handler_flags argument was removed and should be accessed by
dnl # handler->flags.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
AC_MSG_CHECKING([whether xattr_handler->get() wants dentry])
ZFS_LINUX_TRY_COMPILE([
@@ -55,6 +60,24 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
[xattr_handler->get() wants dentry])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether xattr_handler->get() wants xattr_handler])
ZFS_LINUX_TRY_COMPILE([
#include <linux/xattr.h>
int get(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, void *buffer, size_t size) { return 0; }
static const struct xattr_handler
xops __attribute__ ((unused)) = {
.get = get,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_HANDLER_XATTR_GET, 1,
[xattr_handler->get() wants xattr_handler])
],[
AC_MSG_RESULT(no)
])
])
])
@@ -63,6 +86,11 @@ dnl # 2.6.33 API change,
dnl # The xattr_hander->set() callback was changed to take a dentry
dnl # instead of an inode, and a handler_flags argument was added.
dnl #
dnl # 4.4 API change,
dnl # The xattr_hander->set() callback was changed to take a xattr_handler,
dnl # and handler_flags argument was removed and should be accessed by
dnl # handler->flags.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
AC_MSG_CHECKING([whether xattr_handler->set() wants dentry])
ZFS_LINUX_TRY_COMPILE([
@@ -82,6 +110,24 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
[xattr_handler->set() wants dentry])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether xattr_handler->set() wants xattr_handler])
ZFS_LINUX_TRY_COMPILE([
#include <linux/xattr.h>
int set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags) { return 0; }
static const struct xattr_handler
xops __attribute__ ((unused)) = {
.set = set,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_HANDLER_XATTR_SET, 1,
[xattr_handler->set() wants xattr_handler])
],[
AC_MSG_RESULT(no)
])
])
])
@@ -90,6 +136,11 @@ dnl # 2.6.33 API change,
dnl # The xattr_hander->list() callback was changed to take a dentry
dnl # instead of an inode, and a handler_flags argument was added.
dnl #
dnl # 4.4 API change,
dnl # The xattr_hander->list() callback was changed to take a xattr_handler,
dnl # and handler_flags argument was removed and should be accessed by
dnl # handler->flags.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [
AC_MSG_CHECKING([whether xattr_handler->list() wants dentry])
ZFS_LINUX_TRY_COMPILE([
@@ -109,6 +160,24 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [
[xattr_handler->list() wants dentry])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether xattr_handler->list() wants xattr_handler])
ZFS_LINUX_TRY_COMPILE([
#include <linux/xattr.h>
size_t list(const struct xattr_handler *handler, struct dentry *dentry,
char *list, size_t list_size, const char *name, size_t name_len) { return 0; }
static const struct xattr_handler
xops __attribute__ ((unused)) = {
.list = list,
};
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_HANDLER_XATTR_LIST, 1,
[xattr_handler->list() wants xattr_handler])
],[
AC_MSG_RESULT(no)
])
])
])