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[PULL,19/33] block/nvme: Set request_alignment at initialization

Message ID 20201104151828.405824-20-stefanha@redhat.com
State Accepted
Commit c8228ac35541564c46bf1c91ebe7951f367e2ce6
Headers show
Series [PULL,01/33] accel/kvm: add PIO ioeventfds only in case kvm_eventfds_allowed is true | expand

Commit Message

Stefan Hajnoczi Nov. 4, 2020, 3:18 p.m. UTC 
From: Philippe Mathieu-Daudé <philmd@redhat.com>

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>
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>
---
 block/nvme.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/block/nvme.c b/block/nvme.c
index cd875555ca..bb75448a09 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -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. */