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Code Issues Releases Wiki Activity

uas: bump hw_max_sectors to 2048 blocks for SS or faster drives

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There's no reason for uas to use a smaller value of max_sectors than
usb-storage.

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200903181725.2931-3-tom.ty89@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tom Yan 2020-09-04 02:17:25 +08:00 committed by Greg Kroah-Hartman
parent 558033c282
commit 5df7ef7d32
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/storage/uas.c
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@ -839,6 +839,8 @@ static int uas_slave_configure(struct scsi_device *sdev)
blk_queue_max_hw_sectors(sdev->request_queue, 64);
else if (devinfo->flags & US_FL_MAX_SECTORS_240)
blk_queue_max_hw_sectors(sdev->request_queue, 240);
else if (devinfo->udev->speed >= USB_SPEED_SUPER)
blk_queue_max_hw_sectors(sdev->request_queue, 2048);
blk_queue_max_hw_sectors(sdev->request_queue,
min_t(size_t, queue_max_hw_sectors(sdev->request_queue),