[PATCH v2 1/6] block/nbd-client: drop max_block restriction from block_status

Vladimir Sementsov-Ogievskiy posted 6 patches 4 years, 2 months ago
Maintainers: Max Reitz <mreitz@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Eric Blake <eblake@redhat.com>, Fam Zheng <fam@euphon.net>, Stefan Hajnoczi <stefanha@redhat.com>
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[PATCH v2 1/6] block/nbd-client: drop max_block restriction from block_status
Posted by Vladimir Sementsov-Ogievskiy 4 years, 2 months ago
NBD spec is updated, so that max_block doesn't relate to
NBD_CMD_BLOCK_STATUS. So, drop the restriction.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 block/nbd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/block/nbd.c b/block/nbd.c
index 2160859f64..d4d518a780 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -1320,9 +1320,7 @@ static int coroutine_fn nbd_client_co_block_status(
     NBDRequest request = {
         .type = NBD_CMD_BLOCK_STATUS,
         .from = offset,
-        .len = MIN(MIN_NON_ZERO(QEMU_ALIGN_DOWN(INT_MAX,
-                                                bs->bl.request_alignment),
-                                s->info.max_block),
+        .len = MIN(QEMU_ALIGN_DOWN(INT_MAX, bs->bl.request_alignment),
                    MIN(bytes, s->info.size - offset)),
         .flags = NBD_CMD_FLAG_REQ_ONE,
     };
-- 
2.21.0