linux-kernel - [PATCH 3/3] blk-mq: remove the error

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Date:   Sun,  8 May 2022 11:37:09 +0200
From:   Willy Tarreau <w@....eu>
To:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Denis Efremov <efremov@...ux.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Christoph Hellwig <hch@....de>,
        Minh Yuan <yuanmingbuaa@...il.com>,
        Linus Torvalds <torvalds@...uxfoundation.org>,
        Willy Tarreau <w@....eu>
Subject: [PATCH 3/3] blk-mq: remove the error_count from struct request

The last two users were floppy.c and ataflop.c respectively, it was
verified that no other drivers makes use of this, so let's remove it.

Suggested-by: Linus Torvalds <torvalds@...uxfoundation.org>
Cc: Minh Yuan <yuanmingbuaa@...il.com>
Cc: Denis Efremov <efremov@...ux.com>,
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Christoph Hellwig <hch@....de>
Signed-off-by: Willy Tarreau <w@....eu>
---
 include/linux/blk-mq.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 7aa5c54901a9..9f07061418db 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -163,7 +163,6 @@ struct request {
 		struct rb_node rb_node;	/* sort/lookup */
 		struct bio_vec special_vec;
 		void *completion_data;
-		int error_count; /* for legacy drivers, don't use */
 	};
 
 
-- 
2.17.5