From: Brian Foster <bfoster@redhat.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH] xfs: buffer ->bi_end_io function requires irq-safe lock
Date: Fri, 15 Apr 2016 14:28:28 -0400 [thread overview]
Message-ID: <20160415182828.GA39792@bfoster.bfoster> (raw)
In-Reply-To: <20160415180820.GA20260@infradead.org>
On Fri, Apr 15, 2016 at 11:08:20AM -0700, Christoph Hellwig wrote:
> How about just doing a cmpxchg on bi_error?
Hmm, good idea. Something like this I take it..?
if (bio->bi_error)
cmpxchg(&bp->b_io_error, 0, bio->bi_error);
Brian
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prev parent reply other threads:[~2016-04-15 18:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-15 16:08 [PATCH] xfs: buffer ->bi_end_io function requires irq-safe lock Brian Foster
2016-04-15 18:08 ` Christoph Hellwig
2016-04-15 18:28 ` Brian Foster [this message]
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