mke2fs: Allow a flex_bg size of 1

It's unusual, and rarely needed, but it's legal value.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index 38b0b65..6a5f494 100644 (file)
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -1270,7 +1270,7 @@ static void PRS(int argc, char *argv[])
                                        _("Illegal number for flex_bg size"));
                                exit(1);
                        }
-                       if (flex_bg_size < 2 ||
+                       if (flex_bg_size < 1 ||
                            (flex_bg_size & (flex_bg_size-1)) != 0) {
                                com_err(program_name, 0,
                                        _("flex_bg size must be a power of 2"));