From: Christoph Hellwig <hch@infradead.org>
To: Sarthak Kukreti <sarthakkukreti@chromium.org>
Cc: dm-devel@redhat.com, linux-block@vger.kernel.org,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Alasdair Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@kernel.org>,
Christoph Hellwig <hch@infradead.org>,
Brian Foster <bfoster@redhat.com>, Theodore Ts'o <tytso@mit.edu>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Bart Van Assche <bvanassche@google.com>,
"Darrick J. Wong" <djwong@kernel.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v7 1/5] block: Don't invalidate pagecache for invalid falloc modes
Date: Thu, 18 May 2023 21:09:30 -0700 [thread overview]
Message-ID: <ZGb2ej6H12hFogPM@infradead.org> (raw)
In-Reply-To: <20230518223326.18744-2-sarthakkukreti@chromium.org>
On Thu, May 18, 2023 at 03:33:22PM -0700, Sarthak Kukreti wrote:
> Only call truncate_bdev_range() if the fallocate mode is
> supported. This fixes a bug where data in the pagecache
> could be invalidated if the fallocate() was called on the
> block device with an invalid mode.
>
> Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices")
> Cc: stable@vger.kernel.org
> Reported-by: Darrick J. Wong <djwong@kernel.org>
> Signed-off-by: Sarthak Kukreti <sarthakkukreti@chromium.org>
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2023-05-19 4:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230518223326.18744-1-sarthakkukreti@chromium.org>
2023-05-18 22:33 ` [PATCH v7 1/5] block: Don't invalidate pagecache for invalid falloc modes Sarthak Kukreti
2023-05-19 4:09 ` Christoph Hellwig [this message]
2023-05-19 15:17 ` Darrick J. Wong
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