On Sat, May 06 2023 at 2:29P -0400,
Sarthak Kukreti <sarthakkukr...@chromium.org> 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: sta...@vger.kernel.org
> Reported-by: Darrick J. Wong <djw...@kernel.org>
> Signed-off-by: Sarthak Kukreti <sarthakkukr...@chromium.org>
Reviewed-by: Mike Snitzer <snit...@kernel.org>
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