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authorDavid S. Miller <davem@davemloft.net>2014-07-16 23:09:34 +0200
committerDavid S. Miller <davem@davemloft.net>2014-07-16 23:09:34 +0200
commit1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch)
treea243defcf921ea174f8e43fce11d06830a6a9c36 /drivers/block/drbd/drbd_receiver.c
parentMerge branch 'bonding-next' (diff)
parentMerge tag 'for-linus-20140716' of git://git.infradead.org/linux-mtd (diff)
downloadlinux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.xz
linux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
-rw-r--r--drivers/block/drbd/drbd_receiver.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index b6c8aaf4931b..5b17ec88ea05 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1337,8 +1337,11 @@ int drbd_submit_peer_request(struct drbd_device *device,
return 0;
}
+ /* Discards don't have any payload.
+ * But the scsi layer still expects a bio_vec it can use internally,
+ * see sd_setup_discard_cmnd() and blk_add_request_payload(). */
if (peer_req->flags & EE_IS_TRIM)
- nr_pages = 0; /* discards don't have any payload. */
+ nr_pages = 1;
/* In most cases, we will only need one bio. But in case the lower
* level restrictions happen to be different at this offset on this