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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 07:04:53 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 07:04:53 +0400
commit9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch)
treedb432a17bccca1ca2c16907f0ee83ac449ed4012 /drivers/usb/storage/scsiglue.c
parent0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff)
parent0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff)
downloadlinux-9ff9a26b786c35ee8d2a66222924a807ec851a9f.tar.xz
Merge commit 'origin/master' into next
Manual merge of: arch/powerpc/include/asm/elf.h drivers/i2c/busses/i2c-mpc.c
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
-rw-r--r--drivers/usb/storage/scsiglue.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 727c506417cc..4ca3b5860643 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -135,6 +135,12 @@ static int slave_configure(struct scsi_device *sdev)
if (sdev->request_queue->max_sectors > max_sectors)
blk_queue_max_sectors(sdev->request_queue,
max_sectors);
+ } else if (sdev->type == TYPE_TAPE) {
+ /* Tapes need much higher max_sector limits, so just
+ * raise it to the maximum possible (4 GB / 512) and
+ * let the queue segment size sort out the real limit.
+ */
+ blk_queue_max_sectors(sdev->request_queue, 0x7FFFFF);
}
/* Some USB host controllers can't do DMA; they have to use PIO.
@@ -563,4 +569,4 @@ unsigned char usb_stor_sense_invalidCDB[18] = {
[7] = 0x0a, /* additional length */
[12] = 0x24 /* Invalid Field in CDB */
};
-
+EXPORT_SYMBOL_GPL(usb_stor_sense_invalidCDB);