X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fext4%2Facl.c;h=e0270d1f8d82b68e8823cccc4db7539fb9a34f5b;hb=42776163e13a56ea3096edff7a5df95408e80eb4;hp=5e2ed4504eadd85401d9f86d5e3784ecd2e2e7c1;hpb=e569aa78ba01f7f66e016a4d57310fd041524d17;p=karo-tx-linux.git

diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 5e2ed4504ead..e0270d1f8d82 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -238,10 +238,17 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
 }
 
 int
-ext4_check_acl(struct inode *inode, int mask)
+ext4_check_acl(struct inode *inode, int mask, unsigned int flags)
 {
-	struct posix_acl *acl = ext4_get_acl(inode, ACL_TYPE_ACCESS);
+	struct posix_acl *acl;
+
+	if (flags & IPERM_FLAG_RCU) {
+		if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
+			return -ECHILD;
+		return -EAGAIN;
+	}
 
+	acl = ext4_get_acl(inode, ACL_TYPE_ACCESS);
 	if (IS_ERR(acl))
 		return PTR_ERR(acl);
 	if (acl) {