From: Andrew Morton <akpm@linux-foundation.org>
To: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Cc: <linux-fsdevel@vger.kernel.org>, <nvdimm@lists.linux.dev>,
<dan.j.williams@intel.com>, <willy@infradead.org>, <jack@suse.cz>
Subject: Re: [PATCH] fsdax: dedupe should compare the min of two iters' length
Date: Fri, 24 Mar 2023 13:34:14 -0700 [thread overview]
Message-ID: <20230324133414.c0fa29239383e8f5930c3ceb@linux-foundation.org> (raw)
In-Reply-To: <a34449ea-4571-2528-9047-f02079e47818@fujitsu.com>
On Fri, 24 Mar 2023 12:19:46 +0800 Shiyang Ruan <ruansy.fnst@fujitsu.com> wrote:
> > Again, how does the bug impact real-world kernel users?
>
> The dedupe command will fail with -EIO if the range is larger than one
> page size and not aligned to the page size. Also report warning in dmesg:
>
> [ 4338.498374] ------------[ cut here ]------------
> [ 4338.498689] WARNING: CPU: 3 PID: 1415645 at fs/iomap/iter.c:16
OK, thanks. I added the above to the changelog and added cc:stable.
prev parent reply other threads:[~2023-03-24 20:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-22 7:25 [PATCH] fsdax: dedupe should compare the min of two iters' length Shiyang Ruan
2023-03-22 14:44 ` Darrick J. Wong
2023-03-22 23:12 ` Andrew Morton
2023-03-23 6:48 ` Shiyang Ruan
2023-03-23 22:12 ` Andrew Morton
2023-03-24 4:19 ` Shiyang Ruan
2023-03-24 20:34 ` Andrew Morton [this message]
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