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author	Philipp Reisner <philipp.reisner@linbit.com>
	Mon, 13 Jun 2016 22:26:13 +0000 (00:26 +0200)
committer	Jens Axboe <axboe@fb.com>
	Tue, 14 Jun 2016 03:43:04 +0000 (21:43 -0600)
commit	700ca8c04a0f4402f379055eec97351e0d6c0087
tree	c69ed1d2afe9c805a018e04baec8694043b9882b	tree \| snapshot
parent	c5c2385481971a587b4f036d640cc585d75601a0	commit \| diff

drbd: Implement handling of thinly provisioned storage on resync target nodes

If during resync we read only zeroes for a range of sectors assume
that these secotors can be discarded on the sync target node.

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

John Crispins staging tree

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drivers/block/drbd/drbd_int.h		diff \| blob \| history
drivers/block/drbd/drbd_main.c		diff \| blob \| history
drivers/block/drbd/drbd_protocol.h		diff \| blob \| history
drivers/block/drbd/drbd_receiver.c		diff \| blob \| history
drivers/block/drbd/drbd_worker.c		diff \| blob \| history