linux-kernel - [PATCH 12/12] fs: logfs: remove unnecesary check

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Date:   Fri, 11 Nov 2016 20:05:40 +0800
From:   Ming Lei <tom.leiming@...il.com>
To:     Jens Axboe <axboe@...com>, linux-kernel@...r.kernel.org
Cc:     linux-block@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>,
        Ming Lei <tom.leiming@...il.com>,
        Joern Engel <joern@...fs.org>,
        Prasad Joshi <prasadjoshi.linux@...il.com>,
        logfs@...fs.org (open list:LogFS)
Subject: [PATCH 12/12] fs: logfs: remove unnecesary check

The check on bio->bi_vcnt doesn't make sense in erase_end_io().

Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Ming Lei <tom.leiming@...il.com>
---
 fs/logfs/dev_bdev.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
index b9188be0bf83..9bfa0151d7c9 100644
--- a/fs/logfs/dev_bdev.c
+++ b/fs/logfs/dev_bdev.c
@@ -143,7 +143,6 @@ static void erase_end_io(struct bio *bio)
 	struct logfs_super *super = logfs_super(sb); 
 
 	BUG_ON(bio->bi_error); /* FIXME: Retry io or write elsewhere */ 
-	BUG_ON(bio->bi_vcnt == 0); 
 	bio_put(bio); 
 	if (atomic_dec_and_test(&super->s_pending_writes))
 		wake_up(&wq); 
-- 
2.7.4