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[PATCH 19/25] block/nvme: Set request_alignment at initialization
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 19/25] block/nvme: Set request_alignment at initialization |
Date: |
Tue, 27 Oct 2020 14:55:41 +0100 |
Commit bdd6a90a9e5 ("block: Add VFIO based NVMe driver")
sets the request_alignment in nvme_refresh_limits().
For consistency, also set it during initialization.
Reported-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
block/nvme.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/nvme.c b/block/nvme.c
index a0871fc2a81..682946ad840 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -759,6 +759,7 @@ static int nvme_init(BlockDriverState *bs, const char
*device, int namespace,
s->page_size = MAX(4096, 1 << NVME_CAP_MPSMIN(cap));
s->doorbell_scale = (4 << NVME_CAP_DSTRD(cap)) / sizeof(uint32_t);
bs->bl.opt_mem_alignment = s->page_size;
+ bs->bl.request_alignment = s->page_size;
timeout_ms = MIN(500 * NVME_CAP_TO(cap), 30000);
/* Reset device to get a clean state. */
--
2.26.2
- Re: [PATCH 16/25] block/nvme: Simplify ADMIN queue access, (continued)
- [PATCH 17/25] block/nvme: Simplify nvme_cmd_sync(), Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 15/25] block/nvme: Correctly initialize Admin Queue Attributes, Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 18/25] block/nvme: Pass AioContext argument to nvme_add_io_queue(), Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 19/25] block/nvme: Set request_alignment at initialization,
Philippe Mathieu-Daudé <=
- [PATCH 20/25] block/nvme: Correct minimum device page size, Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 21/25] block/nvme: Change size and alignment of IDENTIFY response buffer, Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 22/25] block/nvme: Change size and alignment of queue, Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 23/25] block/nvme: Change size and alignment of prp_list_pages, Philippe Mathieu-Daudé, 2020/10/27
- [PATCH 24/25] block/nvme: Align iov's va and size on host page size, Philippe Mathieu-Daudé, 2020/10/27
- [RFC PATCH 25/25] block/nvme: Fix use of write-only doorbells page on Aarch64 arch, Philippe Mathieu-Daudé, 2020/10/27