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authorKlaus Jensen <k.jensen@samsung.com>2020-07-29 21:08:04 +0200
committerKlaus Jensen <k.jensen@samsung.com>2020-09-02 08:48:50 +0200
commit13b4463d8b4f46ab69755d1dd74c6a0c957cce08 (patch)
tree988eb11893abd98bc840a252920ecd120b3b55f2 /hw
parent904248a53f3506fc41d30c6ef63d3ee7692d76d5 (diff)
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hw/block/nvme: remove redundant has_sg member
Remove the has_sg member from NvmeRequest since it's redundant. Signed-off-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/block/nvme.c7
-rw-r--r--hw/block/nvme.h1
2 files changed, 2 insertions, 6 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 81f26fe..c04e244 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -565,7 +565,8 @@ static void nvme_rw_cb(void *opaque, int ret)
block_acct_failed(blk_get_stats(n->conf.blk), &req->acct);
req->status = NVME_INTERNAL_DEV_ERROR;
}
- if (req->has_sg) {
+
+ if (req->qsg.nalloc) {
qemu_sglist_destroy(&req->qsg);
}
nvme_enqueue_req_completion(cq, req);
@@ -574,7 +575,6 @@ static void nvme_rw_cb(void *opaque, int ret)
static uint16_t nvme_flush(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
NvmeRequest *req)
{
- req->has_sg = false;
block_acct_start(blk_get_stats(n->conf.blk), &req->acct, 0,
BLOCK_ACCT_FLUSH);
req->aiocb = blk_aio_flush(n->conf.blk, nvme_rw_cb, req);
@@ -600,7 +600,6 @@ static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
return NVME_LBA_RANGE | NVME_DNR;
}
- req->has_sg = false;
block_acct_start(blk_get_stats(n->conf.blk), &req->acct, 0,
BLOCK_ACCT_WRITE);
req->aiocb = blk_aio_pwrite_zeroes(n->conf.blk, offset, count,
@@ -638,7 +637,6 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
}
if (req->qsg.nsg > 0) {
- req->has_sg = true;
block_acct_start(blk_get_stats(n->conf.blk), &req->acct, req->qsg.size,
acct);
req->aiocb = is_write ?
@@ -647,7 +645,6 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
dma_blk_read(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE,
nvme_rw_cb, req);
} else {
- req->has_sg = false;
block_acct_start(blk_get_stats(n->conf.blk), &req->acct, req->iov.size,
acct);
req->aiocb = is_write ?
diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index 0b6a8ae..5519b5c 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -22,7 +22,6 @@ typedef struct NvmeRequest {
struct NvmeSQueue *sq;
BlockAIOCB *aiocb;
uint16_t status;
- bool has_sg;
NvmeCqe cqe;
BlockAcctCookie acct;
QEMUSGList qsg;