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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2016-10-27 16:29:13 -0400
committerJohn Snow <jsnow@redhat.com>2016-10-27 16:29:13 -0400
commit99868af3d0a75cf6a515a9aa81bf0d7bcb39eadb (patch)
treed5763d2625f5f74ecd5e750b76c5017ce67d39eb /hw/block
parent835f3d24b42fcbeca5c49048994a4e5d0fe905c5 (diff)
downloadqemu-99868af3d0a75cf6a515a9aa81bf0d7bcb39eadb.zip
dma-helpers: explicitly pass alignment into DMA helpers
The hard-coded default alignment is BDRV_SECTOR_SIZE, however this is not necessarily the case for all platforms. Use this as the default alignment for all current callers. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Message-id: 1476445266-27503-2-git-send-email-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'hw/block')
-rw-r--r--hw/block/nvme.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index cef3bb42f1..b380142028 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -258,8 +258,10 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
req->has_sg = true;
dma_acct_start(n->conf.blk, &req->acct, &req->qsg, acct);
req->aiocb = is_write ?
- dma_blk_write(n->conf.blk, &req->qsg, data_offset, nvme_rw_cb, req) :
- dma_blk_read(n->conf.blk, &req->qsg, data_offset, nvme_rw_cb, req);
+ dma_blk_write(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE,
+ nvme_rw_cb, req) :
+ dma_blk_read(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE,
+ nvme_rw_cb, req);
return NVME_NO_COMPLETE;
}