commit 48920ff2a5a940cd07d12cc79e4a2c75f1185aee
author Christoph Hellwig <hch@lst.de> Wed Apr 05 19:21:23 2017 +0200
committer Jens Axboe <axboe@fb.com> Sat Apr 08 11:25:38 2017 -0600
tree 0505a85fce20a0d34c5d4bbc71ba8771a037e209
parent 45c21793a6601b29926d67f7a07fe4077a45072e

block: remove the discard_zeroes_data flag

Now that we use the proper REQ_OP_WRITE_ZEROES operation everywhere we can
kill this hack.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

drivers/target/target_core_device.c

diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index c754ae3..d2f089c 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -851,7 +851,7 @@ bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
 	attrib->unmap_granularity = q->limits.discard_granularity / block_size;
 	attrib->unmap_granularity_alignment = q->limits.discard_alignment /
 								block_size;
-	attrib->unmap_zeroes_data = q->limits.discard_zeroes_data;
+	attrib->unmap_zeroes_data = 0;
 	return true;
 }
 EXPORT_SYMBOL(target_configure_unmap_from_queue);