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[Qemu-devel] [PATCH] block: assert that bs->request_alignment is a power
From: |
Peter Lieven |
Subject: |
[Qemu-devel] [PATCH] block: assert that bs->request_alignment is a power of 2 |
Date: |
Mon, 30 May 2016 13:59:59 +0200 |
at least bdrv_co_preadv/pwritev expect this.
Signed-off-by: Peter Lieven <address@hidden>
---
block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 736432f..f54bc25 100644
--- a/block.c
+++ b/block.c
@@ -1018,7 +1018,7 @@ static int bdrv_open_common(BlockDriverState *bs,
BdrvChild *file,
assert(bdrv_opt_mem_align(bs) != 0);
assert(bdrv_min_mem_align(bs) != 0);
- assert((bs->request_alignment != 0) || bdrv_is_sg(bs));
+ assert(is_power_of_2(bs->request_alignment) || bdrv_is_sg(bs));
qemu_opts_del(opts);
return 0;
--
1.9.1
- [Qemu-devel] [PATCH] block: assert that bs->request_alignment is a power of 2,
Peter Lieven <=