From de20614b351e4d4d23af0a105baa8fd2d7cd4f26 Mon Sep 17 00:00:00 2001
From: Nathan Scott <nathans@sgi.com>
Date: Thu, 5 May 2005 13:24:13 -0700
Subject: [PATCH] [XFS] Block mount attempts for filesystems with version 1
directories.
SGI Modid: xfs-linux:xfs-kern:21937a
Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Christoph Hellwig <hch@sgi.com>
---
fs/xfs/xfs_mount.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index b57423caef9b8..2ec967d93e5ae 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -300,6 +300,15 @@ xfs_mount_validate_sb(
return XFS_ERROR(EFSCORRUPTED);
}
+ /*
+ * Version 1 directory format has never worked on Linux.
+ */
+ if (unlikely(!XFS_SB_VERSION_HASDIRV2(sbp))) {
+ cmn_err(CE_WARN,
+ "XFS: Attempted to mount file system using version 1 directory format");
+ return XFS_ERROR(ENOSYS);
+ }
+
/*
* Until this is fixed only page-sized or smaller data blocks work.
*/
--
2.30.2