make generic_acl slightly more generic
Now that we cache the ACL pointers in the generic inode all the generic_acl
cruft can go away and generic_acl.c can directly implement xattr handlers
dealing with the full Posix ACL semantics for in-memory filesystems.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/generic_acl.h b/include/linux/generic_acl.h
index 886f5fa..ca666d1 100644
--- a/include/linux/generic_acl.h
+++ b/include/linux/generic_acl.h
@@ -1,36 +1,15 @@
-/*
- * include/linux/generic_acl.h
- *
- * (C) 2005 Andreas Gruenbacher <agruen@suse.de>
- *
- * This file is released under the GPL.
- */
+#ifndef LINUX_GENERIC_ACL_H
+#define LINUX_GENERIC_ACL_H
-#ifndef GENERIC_ACL_H
-#define GENERIC_ACL_H
+#include <linux/xattr.h>
-#include <linux/posix_acl.h>
-#include <linux/posix_acl_xattr.h>
+struct inode;
-/**
- * struct generic_acl_operations - filesystem operations
- *
- * Filesystems must make these operations available to the generic
- * operations.
- */
-struct generic_acl_operations {
- struct posix_acl *(*getacl)(struct inode *, int);
- void (*setacl)(struct inode *, int, struct posix_acl *);
-};
+extern struct xattr_handler generic_acl_access_handler;
+extern struct xattr_handler generic_acl_default_handler;
-size_t generic_acl_list(struct inode *, struct generic_acl_operations *, int,
- char *, size_t);
-int generic_acl_get(struct inode *, struct generic_acl_operations *, int,
- void *, size_t);
-int generic_acl_set(struct inode *, struct generic_acl_operations *, int,
- const void *, size_t);
-int generic_acl_init(struct inode *, struct inode *,
- struct generic_acl_operations *);
-int generic_acl_chmod(struct inode *, struct generic_acl_operations *);
+int generic_acl_init(struct inode *, struct inode *);
+int generic_acl_chmod(struct inode *);
+int generic_check_acl(struct inode *inode, int mask);
-#endif
+#endif /* LINUX_GENERIC_ACL_H */