]> git.proxmox.com Git - mirror_zfs.git/blobdiff - config/kernel-xattr-handler.m4
ztest: scrub ddt repair
[mirror_zfs.git] / config / kernel-xattr-handler.m4
index 638557e32e4030a2b1cf26b027ecef634912877d..0b61b85b1d45ecb421d27a00db9cefc9db45ef30 100644 (file)
@@ -57,6 +57,31 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_NAME], [
        ])
 ])
 
+dnl #
+dnl # 4.9 API change,
+dnl # iops->{set,get,remove}xattr and generic_{set,get,remove}xattr are
+dnl # removed. xattr operations will directly go through sb->s_xattr.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR], [
+       AC_MSG_CHECKING([whether generic_setxattr() exists])
+       ZFS_LINUX_TRY_COMPILE([
+               #include <linux/fs.h>
+               #include <linux/xattr.h>
+
+               static const struct inode_operations
+                   iops __attribute__ ((unused)) = {
+                       .setxattr = generic_setxattr
+               };
+       ],[
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_GENERIC_SETXATTR, 1,
+                   [generic_setxattr() exists])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])
+
 dnl #
 dnl # Supported xattr handler get() interfaces checked newest to oldest.
 dnl #
@@ -81,7 +106,7 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
        ],[
                AC_MSG_RESULT(yes)
                AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1,
-                   [xattr_handler->get() wants xattr_handler])
+                   [xattr_handler->get() wants both dentry and inode])
        ],[
                dnl #
                dnl # 4.4 API change,
@@ -89,6 +114,7 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [
                dnl # attr_handler, and handler_flags argument was removed and
                dnl # should be accessed by handler->flags.
                dnl #
+               AC_MSG_RESULT(no)
                AC_MSG_CHECKING([whether xattr_handler->get() wants xattr_handler])
                ZFS_LINUX_TRY_COMPILE([
                        #include <linux/xattr.h>
@@ -163,18 +189,18 @@ dnl # Supported xattr handler set() interfaces checked newest to oldest.
 dnl #
 AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
        dnl #
-       dnl # 4.4 API change,
-       dnl # The xattr_handler->set() callback was changed to take a
-       dnl # xattr_handler, and handler_flags argument was removed and
-       dnl # should be accessed by handler->flags.
+       dnl # 4.7 API change,
+       dnl # The xattr_handler->set() callback was changed to take both
+       dnl # dentry and inode.
        dnl #
-       AC_MSG_CHECKING([whether xattr_handler->set() wants xattr_handler])
+       AC_MSG_CHECKING([whether xattr_handler->set() wants both dentry and inode])
        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)
+                   struct dentry *dentry, struct inode *inode,
+                   const char *name, const void *buffer,
+                   size_t size, int flags)
                    { return 0; }
                static const struct xattr_handler
                    xops __attribute__ ((unused)) = {
@@ -183,23 +209,24 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
        ],[
        ],[
                AC_MSG_RESULT(yes)
-               AC_DEFINE(HAVE_XATTR_SET_HANDLER, 1,
-                   [xattr_handler->set() wants xattr_handler])
+               AC_DEFINE(HAVE_XATTR_SET_DENTRY_INODE, 1,
+                   [xattr_handler->set() wants both dentry and inode])
        ],[
                dnl #
-               dnl # 2.6.33 API change,
+               dnl # 4.4 API change,
                dnl # The xattr_handler->set() callback was changed to take a
-               dnl # dentry instead of an inode, and a handler_flags
-               dnl # argument was added.
+               dnl # xattr_handler, and handler_flags argument was removed and
+               dnl # should be accessed by handler->flags.
                dnl #
                AC_MSG_RESULT(no)
-               AC_MSG_CHECKING([whether xattr_handler->set() wants dentry])
+               AC_MSG_CHECKING([whether xattr_handler->set() wants xattr_handler])
                ZFS_LINUX_TRY_COMPILE([
                        #include <linux/xattr.h>
 
-                       int set(struct dentry *dentry, const char *name,
-                           const void *buffer, size_t size, int flags,
-                           int handler_flags) { return 0; }
+                       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,
@@ -207,21 +234,23 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
                ],[
                ],[
                        AC_MSG_RESULT(yes)
-                       AC_DEFINE(HAVE_XATTR_SET_DENTRY, 1,
-                           [xattr_handler->set() wants dentry])
+                       AC_DEFINE(HAVE_XATTR_SET_HANDLER, 1,
+                           [xattr_handler->set() wants xattr_handler])
                ],[
                        dnl #
-                       dnl # 2.6.32 API
+                       dnl # 2.6.33 API change,
+                       dnl # The xattr_handler->set() callback was changed to take a
+                       dnl # dentry instead of an inode, and a handler_flags
+                       dnl # argument was added.
                        dnl #
                        AC_MSG_RESULT(no)
-                       AC_MSG_CHECKING(
-                           [whether xattr_handler->set() wants inode])
+                       AC_MSG_CHECKING([whether xattr_handler->set() wants dentry])
                        ZFS_LINUX_TRY_COMPILE([
                                #include <linux/xattr.h>
 
-                               int set(struct inode *ip, const char *name,
-                                   const void *buffer, size_t size, int flags)
-                                   { return 0; }
+                               int set(struct dentry *dentry, const char *name,
+                                   const void *buffer, size_t size, int flags,
+                                   int handler_flags) { return 0; }
                                static const struct xattr_handler
                                    xops __attribute__ ((unused)) = {
                                        .set = set,
@@ -229,10 +258,33 @@ AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [
                        ],[
                        ],[
                                AC_MSG_RESULT(yes)
-                               AC_DEFINE(HAVE_XATTR_SET_INODE, 1,
-                                   [xattr_handler->set() wants inode])
+                               AC_DEFINE(HAVE_XATTR_SET_DENTRY, 1,
+                                   [xattr_handler->set() wants dentry])
                        ],[
-                               AC_MSG_ERROR([no; please file a bug report])
+                               dnl #
+                               dnl # 2.6.32 API
+                               dnl #
+                               AC_MSG_RESULT(no)
+                               AC_MSG_CHECKING(
+                                   [whether xattr_handler->set() wants inode])
+                               ZFS_LINUX_TRY_COMPILE([
+                                       #include <linux/xattr.h>
+
+                                       int set(struct inode *ip, 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_XATTR_SET_INODE, 1,
+                                           [xattr_handler->set() wants inode])
+                               ],[
+                                       AC_MSG_ERROR([no; please file a bug report])
+                               ])
                        ])
                ])
        ])
@@ -244,7 +296,7 @@ dnl #
 AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [
        dnl # 4.5 API change,
        dnl # The xattr_handler->list() callback was changed to take only a
-       dnl # dentry and it only needs to return if it's accessable.
+       dnl # dentry and it only needs to return if it's accessible.
        AC_MSG_CHECKING([whether xattr_handler->list() wants simple])
        ZFS_LINUX_TRY_COMPILE([
                #include <linux/xattr.h>