On Tue, Apr 11, 2023 at 04:31:59PM -0700, Darrick J. Wong wrote:
> Unfortunately, the ondisk buffer is corrupt, but recovery just read the
> buffer with no buffer ops specified:
>
> error = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno,
> buf_f->blf_len, buf_flags, &bp, NULL);
> +
> + /*
> + * We're skipping replay of this buffer log item due to the log
> + * item LSN being behind the ondisk buffer. Verify the buffer
> + * contents since we aren't going to run the write verifier.
> + */
> + if (bp->b_ops) {
> + bp->b_ops->verify_read(bp);
> + error = bp->b_error;
> + }
How do we end up with ops attached here if xfs_buf_read doesn't
attach them? The buf type specific recover routines later attach
ops, but this is called before we reach them.
