[dm-devel] [PATCH RESEND v6 6/9] xfs: Implement ->notify_failure() for XFS

[Jane Chu]

On 7/30/2021 3:01 AM, Shiyang Ruan wrote:
> +	mapping = VFS_I(ip)->i_mapping;
> +	if (IS_ENABLED(CONFIG_MEMORY_FAILURE)) {
> +		for (i = 0; i < rec->rm_blockcount; i++) {
> +			error = mf_dax_kill_procs(mapping, rec->rm_offset + i,
> +						  *flags);
> +			if (error)
> +				break;
> +		}
> +	}

If a poison is injected to a PMD dax page, after consuming the poison,
how many SIGBUS signals are expected to be sent to the process?

thanks,
-jane