[Bug 12207] block reads/writes > 122880 bytes to USB tape drive gives EBUSY

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http://bugzilla.kernel.org/show_bug.cgi?id=12207





------- Comment #6 from stern@xxxxxxxxxxxxxxxxxxx  2008-12-23 05:59 -------
You can change the max_sectors setting through sysfs.  However the last time I
looked, the block layer limited max_sectors to 512 KB or something on that
order, so you can't get too much improvement.

Why is a limit of 120 KB unreasonably small?  All it means is that you have to
use more system calls to transfer the same amount of data.  Is anything wrong
with that?


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