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block/nvme: Set request_alignment at initialization

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Commit bdd6a90a9e ("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>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201029093306.1063879-18-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-10-29 10:32:58 +01:00 committed by Stefan Hajnoczi
parent 08d5406798
commit c8228ac355
1 changed files with 1 additions and 0 deletions
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block/nvme.c
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@ -758,6 +758,7 @@ 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. */