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

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