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-rw-r--r--fs/posix_acl.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 8f245ab20143..f40df9b665fb 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -786,3 +786,39 @@ const struct xattr_handler posix_acl_default_xattr_handler = {
.set = posix_acl_xattr_set,
};
EXPORT_SYMBOL_GPL(posix_acl_default_xattr_handler);
+
+int simple_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+{
+ int error;
+
+ if (type == ACL_TYPE_ACCESS) {
+ error = posix_acl_equiv_mode(acl, &inode->i_mode);
+ if (error < 0)
+ return 0;
+ if (error == 0)
+ acl = NULL;
+ }
+
+ inode->i_ctime = CURRENT_TIME;
+ set_cached_acl(inode, type, acl);
+ return 0;
+}
+
+int simple_acl_create(struct inode *dir, struct inode *inode)
+{
+ struct posix_acl *default_acl, *acl;
+ int error;
+
+ error = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);
+ if (error)
+ return error;
+
+ set_cached_acl(inode, ACL_TYPE_DEFAULT, default_acl);
+ set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
+
+ if (default_acl)
+ posix_acl_release(default_acl);
+ if (acl)
+ posix_acl_release(acl);
+ return 0;
+}