mke2fs: Make lost+found always have at least 2 blocks
Make sure lost+found has always at least 2 disk blocks. This will provide at
least elementary test that we have not screwed-up support for 64KB blocks since
the second directory block will be empty.
Signed-off-by: Andreas Dilger <adilger@sun.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index 44f45aa..b0cbc42 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -534,7 +534,10 @@
}
for (i=1; i < EXT2_NDIR_BLOCKS; i++) {
- if ((lpf_size += fs->blocksize) >= 16*1024)
+ /* Ensure that lost+found is at least 2 blocks, so we always
+ * test large empty blocks for big-block filesystems. */
+ if ((lpf_size += fs->blocksize) >= 16*1024 &&
+ lpf_size >= 2 * fs->blocksize)
break;
retval = ext2fs_expand_dir(fs, ino);
if (retval) {