linux-kernel - [PATCH] btrfs: raid56: Fix stripes if vertical errors are found

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Message-Id: <20230115203215.8115-1-007047221b@gmail.com>
Date:   Sun, 15 Jan 2023 21:32:15 +0100
From:   Tanmay Bhushan <007047221b@...il.com>
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tanmay Bhushan <007047221b@...il.com>
Subject: [PATCH] btrfs: raid56: Fix stripes if vertical errors are found

We take two stripe numbers if vertical errors are found.
In case it is just a pstripe it does not matter but in
case of raid 6 it matters a both stripes need to be fixed.

Signed-off-by: Tanmay Bhushan <007047221b@...il.com>
---
 fs/btrfs/raid56.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 6a2cf754912d..f35898a78b16 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1886,7 +1886,7 @@ static int recover_vertical(struct btrfs_raid_bio *rbio, int sector_nr,
 		sector->uptodate = 1;
 	}
 	if (failb >= 0) {
-		ret = verify_one_sector(rbio, faila, sector_nr);
+		ret = verify_one_sector(rbio, failb, sector_nr);
 		if (ret < 0)
 			goto cleanup;
 
-- 
2.34.1