drbd: disable discard support if granularity > max

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The discard_granularity describes the minimum unit of a discard.
If that is larger than the maximal discard size, we need to disable
discards completely.

Reviewed-by: Joel Colledge <joel.colledge@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20221109133453.51652-3-christoph.boehmwalder@linbit.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Philipp Reisner 2022-11-09 14:34:52 +01:00 • committed by Jens Axboe

parent 258bea6388

commit 21b87a7d75

1 changed files with 13 additions and 0 deletions

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drivers/block/drbd/drbd_nl.c

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