Re: [BUG] xfs/104 triggered NULL pointer dereference in iomap based dio

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [BUG] xfs/104 triggered NULL pointer dereference in iomap based dio
From: Chandan Rajendra <chandan@xxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Sep 2017 12:25:57 +0530
Cc: Eryu Guan <eguan@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <20170913165546.GA18388@lst.de>

On Wednesday, September 13, 2017 10:25:46 PM IST Christoph Hellwig wrote:
> Does it work fine if you call sb_init_dio_done_wq unconditionally?
> 
> 

Yes, The issue isn't recreated when sb_init_dio_done_wq() is 
invoked unconditionally.

-- 
chandan

References:
- [BUG] xfs/104 triggered NULL pointer dereference in iomap based dio
  - From: Eryu Guan
- Re: [BUG] xfs/104 triggered NULL pointer dereference in iomap based dio
  - From: Chandan Rajendra
- Re: [BUG] xfs/104 triggered NULL pointer dereference in iomap based dio
  - From: Christoph Hellwig

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