From: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Date: Mon, 20 Sep 2021 16:26:38 +0000 (-0400)
Subject: Revert "btrfs: don't report readahead errors and don't update statistics" because... 
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f3b097ed8d761db6b51db496c8e1d972a6be9e7;p=linux

Revert "btrfs: don't report readahead errors and don't update statistics" because we want to know about errors

This reverts commit 0cc068e6ee59c1fffbfa977d8bf868b7551d80ac.

(cherry picked from commit edca545b3e61a4b4f88d6676317c0d5bd30e785f)
---

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index b98a8498882f..cc5f83f02667 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7094,9 +7094,9 @@ static void btrfs_end_bio(struct bio *bio)
 			if (btrfs_op(bio) == BTRFS_MAP_WRITE)
 				btrfs_dev_stat_inc_and_print(dev,
 						BTRFS_DEV_STAT_WRITE_ERRS);
-			else if (!(bio->bi_opf & REQ_RAHEAD))
+			else
 				btrfs_dev_stat_inc_and_print(dev,
-						BTRFS_DEV_STAT_READ_ERRS);
+					BTRFS_DEV_STAT_READ_ERRS);
 			if (bio->bi_opf & REQ_PREFLUSH)
 				btrfs_dev_stat_inc_and_print(dev,
 						BTRFS_DEV_STAT_FLUSH_ERRS);