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From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: hch@infradead.org, akpm@linux-foundation.org, tytso@mit.edu,
	viro@zeniv.linux.org.uk, linux-xfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH v2 2/2] vfs: don't allow writes to swap files
Date: Sun, 18 Aug 2019 01:39:37 -0700
Message-ID: <20190818083937.GC13583@infradead.org> (raw)
In-Reply-To: <20190816161948.GJ15186@magnolia>

On Fri, Aug 16, 2019 at 09:19:49AM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Don't let userspace write to an active swap file because the kernel
> effectively has a long term lease on the storage and things could get
> seriously corrupted if we let this happen.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15 16:05 [PATCH v3 0/2] vfs: make active swap files unwritable Darrick J. Wong
2019-08-15 16:05 ` [PATCH 1/2] mm: set S_SWAPFILE on blockdev swap devices Darrick J. Wong
2019-08-16  6:39   ` Christoph Hellwig
2019-08-15 16:05 ` [PATCH 2/2] vfs: don't allow writes to swap files Darrick J. Wong
2019-08-16  6:41   ` Christoph Hellwig
2019-08-16  6:48     ` Darrick J. Wong
2019-08-16 16:19   ` [PATCH v2 " Darrick J. Wong
2019-08-18  8:39     ` Christoph Hellwig [this message]
2019-08-15 16:34 ` [PATCH RFC 3/2] fstests: check that we can't write " Darrick J. Wong
2019-08-15 21:26   ` Andrew Morton
2019-08-16  2:13     ` Darrick J. Wong
2019-08-17  2:05   ` [PATCH v2 " Darrick J. Wong

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