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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: Stefan Richter <stefanr@s5r6.in-berlin.de>
hifive-unleashed-5.1
Stefan Richter 2007-06-17 23:52:08 +02:00
parent dae1a3aa8e
commit cf47c7a26c
1 changed files with 3 additions and 1 deletions
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4
drivers/firewire/fw-sbp2.c
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@ -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;
}