Re: [PATCH] fcoe: Reduce max_sectors to 1024

2014-07-09 Thread Christoph Hellwig
Hannes, can you respin the patch with a comment explaining the limit? > Does it limit IO size for pass through IO not through block layer ? The max_sectors limit also limits the size of passthrough requests. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of

Re: [PATCH] fcoe: Reduce max_sectors to 1024

2014-07-09 Thread Vasu Dev
On Wed, 2014-07-09 at 08:40 +0200, Hannes Reinecke wrote: > On 07/09/2014 08:18 AM, Christoph Hellwig wrote: > > On Wed, Jul 09, 2014 at 08:16:21AM +0200, Hannes Reinecke wrote: > >> The DDP offload on ixgbe is only capable of handling requests up > >> to 1024 sectors. So we should be exposing this

Re: [PATCH] fcoe: Reduce max_sectors to 1024

2014-07-08 Thread Hannes Reinecke
On 07/09/2014 08:18 AM, Christoph Hellwig wrote: On Wed, Jul 09, 2014 at 08:16:21AM +0200, Hannes Reinecke wrote: The DDP offload on ixgbe is only capable of handling requests up to 1024 sectors. So we should be exposing this to avoid spurious messages about 'not enough user buffers'. Shouldn'

Re: [PATCH] fcoe: Reduce max_sectors to 1024

2014-07-08 Thread Christoph Hellwig
On Wed, Jul 09, 2014 at 08:16:21AM +0200, Hannes Reinecke wrote: > The DDP offload on ixgbe is only capable of handling requests up > to 1024 sectors. So we should be exposing this to avoid spurious > messages about 'not enough user buffers'. Shouldn't the network driver be able to communicate it'