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[Qemu-block] [PULL 21/31] block: assert that bs->request_alignment is a
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 21/31] block: assert that bs->request_alignment is a power of 2 |
Date: |
Wed, 8 Jun 2016 11:16:47 +0200 |
From: Peter Lieven <address@hidden>
at least bdrv_co_preadv/pwritev expect this.
Signed-off-by: Peter Lieven <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Signed-off-by: Kevin Wolf <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;
--
1.8.3.1
- [Qemu-block] [PULL 18/31] block: Kill bdrv_co_write_zeroes(), (continued)
- [Qemu-block] [PULL 18/31] block: Kill bdrv_co_write_zeroes(), Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 22/31] raw-posix: Fetch max sectors for host block device, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 19/31] migration/block: Convert load to BlockBackend, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 14/31] qed: Convert to bdrv_co_pwrite_zeroes(), Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 20/31] migration/block: Convert saving to BlockBackend, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 15/31] raw-posix: Convert to bdrv_co_pwrite_zeroes(), Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 23/31] qcow2: avoid extra flushes in qcow2, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 27/31] qemu-img bench, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 28/31] qemu-img bench: Sequential writes, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 25/31] blockdev: clean up error handling in do_open_tray, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 21/31] block: assert that bs->request_alignment is a power of 2,
Kevin Wolf <=
- [Qemu-block] [PULL 30/31] qemu-img bench: Implement -S (step size), Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 24/31] block: Fix bdrv_all_delete_snapshot() error handling, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 29/31] qemu-img bench: Make start offset configurable, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 26/31] block: Don't emulate natively supported pwritev flags, Kevin Wolf, 2016/06/08
- [Qemu-block] [PULL 31/31] qemu-img bench: Add --flush-interval, Kevin Wolf, 2016/06/08
- Re: [Qemu-block] [Qemu-devel] [PULL 00/31] Block layer patches, Peter Maydell, 2016/06/08