Re: [PATCH] rbd: lock_on_read map option

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On 09/22/2016 09:22 AM, Ilya Dryomov wrote:
> Add a per-device option to acquire exclusive lock on reads (in addition
> to writes and discards).  The use case is iSCSI, where it will be used
> to prevent execution of stale writes after the implicit failover.
> 
> Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
> ---
>  drivers/block/rbd.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 

Tested-by: Mike Christie <mchristi@xxxxxxxxxx>

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