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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Ritesh Harjani <riteshh@linux.ibm.com>,
	Eric Biggers <ebiggers@kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Christoph Hellwig <hch@infradead.org>, Jan Kara <jack@suse.com>,
	tytso@mit.edu, "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
	linux-ext4@vger.kernel.org
Subject: Re: [PATCH 1/2] fibmap: Warn and return an error in case of block > INT_MAX
Date: Fri, 24 Apr 2020 16:46:47 -0700	[thread overview]
Message-ID: <20200424234647.GX6749@magnolia> (raw)
In-Reply-To: <20200424234058.GA29705@bombadil.infradead.org>

On Fri, Apr 24, 2020 at 04:40:58PM -0700, Matthew Wilcox wrote:
> On Sat, Apr 25, 2020 at 04:24:24AM +0530, Ritesh Harjani wrote:
> > Ok, I see.
> > Let me replace WARN() with below pr_warn() line then. If no objections,
> > then will send this in a v2 with both patches combined as Darrick
> > suggested. - (with Reviewed-by tags of Jan & Christoph).
> > 
> > pr_warn("fibmap: this would truncate fibmap result\n");
> 
> We generally don't like userspace to be able to trigger kernel messages
> on demand, so they can't swamp the logfiles.  printk_ratelimited()?

Or WARN_ON_ONCE...

--D

  reply	other threads:[~2020-04-24 23:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-24  7:22 [PATCH 0/2] WARN fibmap user in case of possible addr truncation Ritesh Harjani
2020-04-24  7:22 ` [PATCH 1/2] fibmap: Warn and return an error in case of block > INT_MAX Ritesh Harjani
2020-04-24  9:57   ` Jan Kara
2020-04-24 10:07   ` Christoph Hellwig
2020-04-24 19:17   ` Eric Biggers
2020-04-24 22:54     ` Ritesh Harjani
2020-04-24 23:40       ` Matthew Wilcox
2020-04-24 23:46         ` Darrick J. Wong [this message]
2020-04-25  7:03           ` Ritesh Harjani
2020-04-27  1:04             ` Dave Chinner
2020-04-28  7:29               ` Ritesh Harjani
2020-04-24  7:22 ` [PATCH 2/2] iomap: bmap: Remove the WARN and return the proper block address Ritesh Harjani
2020-04-24  9:59   ` Jan Kara
2020-04-24 10:07   ` Christoph Hellwig
2020-04-24 17:48   ` Darrick J. Wong
2020-04-24 22:39     ` Ritesh Harjani

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