[dm-devel] [PATCH 1/3] block: invalidate the page cache when issuing BLKZEROOUT.
Hannes Reinecke
hare at suse.de
Thu Sep 29 05:56:03 UTC 2016
On 09/29/2016 02:39 AM, Darrick J. Wong wrote:
> Invalidate the page cache (as a regular O_DIRECT write would do) to avoid
> returning stale cache contents at a later time.
>
> Signed-off-by: Darrick J. Wong <darrick.wong at oracle.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>
> ---
> block/ioctl.c | 18 ++++++++++++------
> 1 file changed, 12 insertions(+), 6 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare at suse.com>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare at suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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