ext4: clarify ext4_error message in ext4_mb_generate_buddy_error()

We are spending a lot of time explaining to users what this error
means.  Let's try to improve the message to avoid this problem.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 7f72f50..2dcb936 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -752,8 +752,8 @@ void ext4_mb_generate_buddy(struct super_block *sb,
 
        if (free != grp->bb_free) {
                ext4_grp_locked_error(sb, group, 0, 0,
-                                     "%u clusters in bitmap, %u in gd; "
-                                     "block bitmap corrupt.",
+                                     "block bitmap and bg descriptor "
+                                     "inconsistent: %u vs %u free clusters",
                                      free, grp->bb_free);
                /*
                 * If we intend to continue, we consider group descriptor