drbd: fix NULL pointer dereference on 4k hard sect size
authorLars Ellenberg <lars.ellenberg@linbit.com>
Fri, 26 Feb 2010 15:53:24 +0000 (16:53 +0100)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Thu, 11 Mar 2010 14:58:25 +0000 (15:58 +0100)
we still don't support 4k 'physical' sectors 'natively',
but use a read-modify-write workaround.
And we even tried to use the extra page before we allocated it :(

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

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