Re: [PATCH v3] ibmvfc: Add max_sectors module parameter

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On Tue, 2024-09-03 at 08:47 -0500, Brian King wrote:
> There are some scenarios that can occur, such as performing an
> upgrade of the virtual I/O server, where the supported max transfer
> of the backing device for an ibmvfc HBA can change. If the max
> transfer of the backing device decreases, this can cause issues with
> previously discovered LUNs. This patch accomplishes two things.
> First, it changes the default ibmvfc max transfer value to 1MB.
> This is generally supported by all backing devices, which should
> mitigate this issue out of the box. Secondly, it adds a module
> parameter, enabling a user to increase the max transfer value to
> values that are larger than 1MB, as long as they have configured
> these larger values on the virtual I/O server as well.
> 
> Signed-off-by: Brian King <brking@xxxxxxxxxxxxx>

Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>







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