bcachefs: Improve error message in bch2_write_super()

It's helpful to know what the superblock write is for.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>

diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index be080c407286de901ade0a3aa5ecb34f5b93d0e2..637408d76270913f2499f89755feec4e729a7b81 100644 (file)
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -809,7 +809,8 @@ int bch2_write_super(struct bch_fs *c)
                                 !can_mount_with_written ||
                                 (can_mount_without_written &&
                                  !can_mount_with_written), c,
-               "Unable to write superblock to sufficient devices"))
+               "Unable to write superblock to sufficient devices (from %ps)",
+               (void *) _RET_IP_))
                ret = -1;
 out:
        /* Make new options visible after they're persistent: */