[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>

[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>
Nathan Scott · Christoph Hellwig
1 parent 71bce256bf
Showing 1 changed file with 9 additions and 0 deletions Side-by-side Diff
fs/xfs/xfs_mount.c
@@ -301,6 +301,15 @@
 	}
  
 	/*
+	 * 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.
 	 */
 	if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) {
...	...	@@ -301,6 +301,15 @@
301	301	}
302	302
303	303	/*
	304	+ * Version 1 directory format has never worked on Linux.
	305	+ */
	306	+ if (unlikely(!XFS_SB_VERSION_HASDIRV2(sbp))) {
	307	+ cmn_err(CE_WARN,
	308	+ "XFS: Attempted to mount file system using version 1 directory format");
	309	+ return XFS_ERROR(ENOSYS);
	310	+ }
	311	+
	312	+ /*
304	313	* Until this is fixed only page-sized or smaller data blocks work.
305	314	*/
306	315	if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) {