xfs: remove xfs_buf_ioerror_retry

Merge xfs_buf_ioerror_retry into its only caller to make the resubmission
flow a little easier to follow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_buf.c

@@ -1185,23 +1185,6 @@ xfs_buf_ioerror_alert_ratelimited(
 	lasttarg = bp->b_target;
 }
 
-static bool
-xfs_buf_ioerror_retry(
-	struct xfs_buf		*bp,
-	struct xfs_error_cfg	*cfg)
-{
-	if ((bp->b_flags & (XBF_STALE | XBF_WRITE_FAIL)) &&
-	    bp->b_last_error == bp->b_error)
-		return false;
-
-	bp->b_flags |= (XBF_WRITE | XBF_DONE | XBF_WRITE_FAIL);
-	bp->b_last_error = bp->b_error;
-	if (cfg->retry_timeout != XFS_ERR_RETRY_FOREVER &&
-	    !bp->b_first_retry_time)
-		bp->b_first_retry_time = jiffies;
-	return true;
-}
-
 /*
  * Account for this latest trip around the retry handler, and decide if
  * we've failed enough times to constitute a permanent failure.
@@ -1281,10 +1264,13 @@ xfs_buf_ioend_disposition(
 	trace_xfs_buf_iodone_async(bp, _RET_IP_);
 
 	cfg = xfs_error_get_cfg(mp, XFS_ERR_METADATA, bp->b_error);
-	if (xfs_buf_ioerror_retry(bp, cfg)) {
-		xfs_buf_ioerror(bp, 0);
-		xfs_buf_submit(bp);
-		return XBF_IOEND_DONE;
+	if (bp->b_last_error != bp->b_error ||
+	    !(bp->b_flags & (XBF_STALE | XBF_WRITE_FAIL))) {
+		bp->b_last_error = bp->b_error;
+		if (cfg->retry_timeout != XFS_ERR_RETRY_FOREVER &&
+		    !bp->b_first_retry_time)
+			bp->b_first_retry_time = jiffies;
+		goto resubmit;
 	}
 
 	/*
@@ -1299,6 +1285,11 @@ xfs_buf_ioend_disposition(
 	/* Still considered a transient error. Caller will schedule retries. */
 	return XBF_IOEND_FAIL;
 
+resubmit:
+	xfs_buf_ioerror(bp, 0);
+	bp->b_flags |= (XBF_WRITE | XBF_DONE | XBF_WRITE_FAIL);
+	xfs_buf_submit(bp);
+	return XBF_IOEND_DONE;
 out_stale:
 	xfs_buf_stale(bp);
 	bp->b_flags |= XBF_DONE;