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Commit cf47c7a2 authored by Stefan Richter's avatar Stefan Richter
Browse files

firewire: fw-sbp2: implement max sectors limit for some old bridges 



This currently only affects one bridge in the hardwired blacklist.
I don't own one of those, hence haven't tested it.

Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent dae1a3aa

drivers/firewire/fw-sbp2.c

+3 −1
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <linux/device.h>

#include <linux/scatterlist.h>

#include <linux/dma-mapping.h>

#include <linux/blkdev.h>

#include <linux/timer.h>



#include <scsi/scsi.h>
@@ -1080,7 +1081,8 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) 
		fw_notify("setting fix_capacity for %s\n", unit->device.bus_id);

		sdev->fix_capacity = 1;

	}



	if (sd->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS)

		blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512);

	return 0;

}