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linux-sg2042
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Merge branch 'nvme-5.2' of git://git.infradead.org/nvme into for-5.2/block 

Pull NVMe changes from Christoph.

* 'nvme-5.2' of git://git.infradead.org/nvme:
  nvme: set 0 capacity if namespace block size exceeds PAGE_SIZE
  nvme-rdma: fix typo in struct comment
  nvme-loop: kill timeout handler
  nvme-tcp: rename function to have nvme_tcp prefix
  nvme-rdma: fix a NULL deref when an admin connect times out
  nvme-tcp: fix a NULL deref when an admin connect times out
  nvmet-tcp: don't fail maxr2t greater than 1
  nvmet-file: clamp-down file namespace lba_shift
  nvmet: include <linux/scatterlist.h>
  nvmet: return a specified error it subsys_alloc fails
  nvmet: rename nvme_completion instances from rsp to cqe
  nvmet-rdma: remove p2p_client initialization from fast-path
This commit is contained in:
Jens Axboe 2019-04-26 10:25:19 -06:00
parent cc6be13159 01fa017484
commit 41d7f2ed84
15 changed files with 77 additions and 84 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/nvme/host/core.c
View File

@ -1591,6 +1591,10 @@ static void nvme_update_disk_info(struct gendisk *disk,
sector_t capacity = le64_to_cpu(id->nsze) << (ns->lba_shift - 9);
unsigned short bs = 1 << ns->lba_shift;
if (ns->lba_shift > PAGE_SHIFT) {
/* unsupported block size, set capacity to 0 later */
bs = (1 << 9);
}
blk_mq_freeze_queue(disk->queue);
blk_integrity_unregister(disk);
@ -1601,7 +1605,8 @@ static void nvme_update_disk_info(struct gendisk *disk,
if (ns->ms && !ns->ext &&
(ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
nvme_init_integrity(disk, ns->ms, ns->pi_type);
if (ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk))
if ((ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) ||
ns->lba_shift > PAGE_SHIFT)
capacity = 0;
set_capacity(disk, capacity);

10
drivers/nvme/host/rdma.c
View File

@ -914,8 +914,9 @@ static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl,
{
blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
nvme_rdma_stop_queue(&ctrl->queues[0]);
blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_cancel_request,
&ctrl->ctrl);
if (ctrl->ctrl.admin_tagset)
blk_mq_tagset_busy_iter(ctrl->ctrl.admin_tagset,
nvme_cancel_request, &ctrl->ctrl);
blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
nvme_rdma_destroy_admin_queue(ctrl, remove);
}
@ -926,8 +927,9 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl,
if (ctrl->ctrl.queue_count > 1) {
nvme_stop_queues(&ctrl->ctrl);
nvme_rdma_stop_io_queues(ctrl);
blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request,
&ctrl->ctrl);
if (ctrl->ctrl.tagset)
blk_mq_tagset_busy_iter(ctrl->ctrl.tagset,
nvme_cancel_request, &ctrl->ctrl);
if (remove)
nvme_start_queues(&ctrl->ctrl);
nvme_rdma_destroy_io_queues(ctrl, remove);

18
drivers/nvme/host/tcp.c
View File

@ -473,7 +473,6 @@ static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue,
}
return 0;
}
static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue,
@ -634,7 +633,6 @@ static inline void nvme_tcp_end_request(struct request *rq, u16 status)
nvme_end_request(rq, cpu_to_le16(status << 1), res);
}
static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb,
unsigned int *offset, size_t *len)
{
@ -1535,7 +1533,7 @@ out_free_queue:
return ret;
}
static int nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
static int __nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
{
int i, ret;
@ -1565,7 +1563,7 @@ static unsigned int nvme_tcp_nr_io_queues(struct nvme_ctrl *ctrl)
return nr_io_queues;
}
static int nvme_alloc_io_queues(struct nvme_ctrl *ctrl)
static int nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
{
unsigned int nr_io_queues;
int ret;
@ -1582,7 +1580,7 @@ static int nvme_alloc_io_queues(struct nvme_ctrl *ctrl)
dev_info(ctrl->device,
"creating %d I/O queues.\n", nr_io_queues);
return nvme_tcp_alloc_io_queues(ctrl);
return __nvme_tcp_alloc_io_queues(ctrl);
}
static void nvme_tcp_destroy_io_queues(struct nvme_ctrl *ctrl, bool remove)
@ -1599,7 +1597,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new)
{
int ret;
ret = nvme_alloc_io_queues(ctrl);
ret = nvme_tcp_alloc_io_queues(ctrl);
if (ret)
return ret;
@ -1710,7 +1708,9 @@ static void nvme_tcp_teardown_admin_queue(struct nvme_ctrl *ctrl,
{
blk_mq_quiesce_queue(ctrl->admin_q);
nvme_tcp_stop_queue(ctrl, 0);
blk_mq_tagset_busy_iter(ctrl->admin_tagset, nvme_cancel_request, ctrl);
if (ctrl->admin_tagset)
blk_mq_tagset_busy_iter(ctrl->admin_tagset,
nvme_cancel_request, ctrl);
blk_mq_unquiesce_queue(ctrl->admin_q);
nvme_tcp_destroy_admin_queue(ctrl, remove);
}
@ -1722,7 +1722,9 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl,
return;
nvme_stop_queues(ctrl);
nvme_tcp_stop_io_queues(ctrl);
blk_mq_tagset_busy_iter(ctrl->tagset, nvme_cancel_request, ctrl);
if (ctrl->tagset)
blk_mq_tagset_busy_iter(ctrl->tagset,
nvme_cancel_request, ctrl);
if (remove)
nvme_start_queues(ctrl);
nvme_tcp_destroy_io_queues(ctrl, remove);

1
drivers/nvme/target/Kconfig
View File

@ -3,6 +3,7 @@ config NVME_TARGET
tristate "NVMe Target support"
depends on BLOCK
depends on CONFIGFS_FS
select SGL_ALLOC
help
This enabled target side support for the NVMe protocol, that is
it allows the Linux kernel to implement NVMe subsystems and

4
drivers/nvme/target/configfs.c
View File

@ -898,8 +898,8 @@ static struct config_group *nvmet_subsys_make(struct config_group *group,
}
subsys = nvmet_subsys_alloc(name, NVME_NQN_NVME);
if (!subsys)
return ERR_PTR(-ENOMEM);
if (IS_ERR(subsys))
return ERR_CAST(subsys);
config_group_init_type_name(&subsys->group, name, &nvmet_subsys_type);

29
drivers/nvme/target/core.c
View File

@ -8,6 +8,7 @@
#include <linux/random.h>
#include <linux/rculist.h>
#include <linux/pci-p2pdma.h>
#include <linux/scatterlist.h>
#include "nvmet.h"
@ -647,7 +648,7 @@ static void nvmet_update_sq_head(struct nvmet_req *req)
} while (cmpxchg(&req->sq->sqhd, old_sqhd, new_sqhd) !=
old_sqhd);
}
req->rsp->sq_head = cpu_to_le16(req->sq->sqhd & 0x0000FFFF);
req->cqe->sq_head = cpu_to_le16(req->sq->sqhd & 0x0000FFFF);
}
static void nvmet_set_error(struct nvmet_req *req, u16 status)
@ -656,7 +657,7 @@ static void nvmet_set_error(struct nvmet_req *req, u16 status)
struct nvme_error_slot *new_error_slot;
unsigned long flags;
req->rsp->status = cpu_to_le16(status << 1);
req->cqe->status = cpu_to_le16(status << 1);
if (!ctrl || req->error_loc == NVMET_NO_ERROR_LOC)
return;
@ -676,15 +677,15 @@ static void nvmet_set_error(struct nvmet_req *req, u16 status)
spin_unlock_irqrestore(&ctrl->error_lock, flags);
/* set the more bit for this request */
req->rsp->status |= cpu_to_le16(1 << 14);
req->cqe->status |= cpu_to_le16(1 << 14);
}
static void __nvmet_req_complete(struct nvmet_req *req, u16 status)
{
if (!req->sq->sqhd_disabled)
nvmet_update_sq_head(req);
req->rsp->sq_id = cpu_to_le16(req->sq->qid);
req->rsp->command_id = req->cmd->common.command_id;
req->cqe->sq_id = cpu_to_le16(req->sq->qid);
req->cqe->command_id = req->cmd->common.command_id;
if (unlikely(status))
nvmet_set_error(req, status);
@ -841,8 +842,8 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
req->sg = NULL;
req->sg_cnt = 0;
req->transfer_len = 0;
req->rsp->status = 0;
req->rsp->sq_head = 0;
req->cqe->status = 0;
req->cqe->sq_head = 0;
req->ns = NULL;
req->error_loc = NVMET_NO_ERROR_LOC;
req->error_slba = 0;
@ -1069,7 +1070,7 @@ u16 nvmet_ctrl_find_get(const char *subsysnqn, const char *hostnqn, u16 cntlid,
if (!subsys) {
pr_warn("connect request for invalid subsystem %s!\n",
subsysnqn);
req->rsp->result.u32 = IPO_IATTR_CONNECT_DATA(subsysnqn);
req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(subsysnqn);
return NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
}
@ -1090,7 +1091,7 @@ u16 nvmet_ctrl_find_get(const char *subsysnqn, const char *hostnqn, u16 cntlid,
pr_warn("could not find controller %d for subsys %s / host %s\n",
cntlid, subsysnqn, hostnqn);
req->rsp->result.u32 = IPO_IATTR_CONNECT_DATA(cntlid);
req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(cntlid);
status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
out:
@ -1188,7 +1189,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
if (!subsys) {
pr_warn("connect request for invalid subsystem %s!\n",
subsysnqn);
req->rsp->result.u32 = IPO_IATTR_CONNECT_DATA(subsysnqn);
req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(subsysnqn);
goto out;
}
@ -1197,7 +1198,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
if (!nvmet_host_allowed(subsys, hostnqn)) {
pr_info("connect by host %s for subsystem %s not allowed\n",
hostnqn, subsysnqn);
req->rsp->result.u32 = IPO_IATTR_CONNECT_DATA(hostnqn);
req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(hostnqn);
up_read(&nvmet_config_sem);
status = NVME_SC_CONNECT_INVALID_HOST | NVME_SC_DNR;
goto out_put_subsystem;
@ -1367,7 +1368,7 @@ struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn,
subsys = kzalloc(sizeof(*subsys), GFP_KERNEL);
if (!subsys)
return NULL;
return ERR_PTR(-ENOMEM);
subsys->ver = NVME_VS(1, 3, 0); /* NVMe 1.3.0 */
/* generate a random serial number as our controllers are ephemeral: */
@ -1383,14 +1384,14 @@ struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn,
default:
pr_err("%s: Unknown Subsystem type - %d\n", __func__, type);
kfree(subsys);
return NULL;
return ERR_PTR(-EINVAL);
}
subsys->type = type;
subsys->subsysnqn = kstrndup(subsysnqn, NVMF_NQN_SIZE,
GFP_KERNEL);
if (!subsys->subsysnqn) {
kfree(subsys);
return NULL;
return ERR_PTR(-ENOMEM);
}
kref_init(&subsys->ref);

4
drivers/nvme/target/discovery.c
View File

@ -372,8 +372,8 @@ int __init nvmet_init_discovery(void)
{
nvmet_disc_subsys =
nvmet_subsys_alloc(NVME_DISC_SUBSYS_NAME, NVME_NQN_DISC);
if (!nvmet_disc_subsys)
return -ENOMEM;
if (IS_ERR(nvmet_disc_subsys))
return PTR_ERR(nvmet_disc_subsys);
return 0;
}

16
drivers/nvme/target/fabrics-cmd.c
View File

@ -72,7 +72,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req)
offsetof(struct nvmf_property_get_command, attrib);
}
req->rsp->result.u64 = cpu_to_le64(val);
req->cqe->result.u64 = cpu_to_le64(val);
nvmet_req_complete(req, status);
}
@ -124,7 +124,7 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req)
if (c->cattr & NVME_CONNECT_DISABLE_SQFLOW) {
req->sq->sqhd_disabled = true;
req->rsp->sq_head = cpu_to_le16(0xffff);
req->cqe->sq_head = cpu_to_le16(0xffff);
}
if (ctrl->ops->install_queue) {
@ -158,7 +158,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
goto out;
/* zero out initial completion result, assign values as needed */
req->rsp->result.u32 = 0;
req->cqe->result.u32 = 0;
if (c->recfmt != 0) {
pr_warn("invalid connect version (%d).\n",
@ -172,7 +172,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
pr_warn("connect attempt for invalid controller ID %#x\n",
d->cntlid);
status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
req->rsp->result.u32 = IPO_IATTR_CONNECT_DATA(cntlid);
req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(cntlid);
goto out;
}
@ -195,7 +195,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
pr_info("creating controller %d for subsystem %s for NQN %s.\n",
ctrl->cntlid, ctrl->subsys->subsysnqn, ctrl->hostnqn);
req->rsp->result.u16 = cpu_to_le16(ctrl->cntlid);
req->cqe->result.u16 = cpu_to_le16(ctrl->cntlid);
out:
kfree(d);
@ -222,7 +222,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
goto out;
/* zero out initial completion result, assign values as needed */
req->rsp->result.u32 = 0;
req->cqe->result.u32 = 0;
if (c->recfmt != 0) {
pr_warn("invalid connect version (%d).\n",
@ -240,14 +240,14 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
if (unlikely(qid > ctrl->subsys->max_qid)) {
pr_warn("invalid queue id (%d)\n", qid);
status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
req->rsp->result.u32 = IPO_IATTR_CONNECT_SQE(qid);
req->cqe->result.u32 = IPO_IATTR_CONNECT_SQE(qid);
goto out_ctrl_put;
}
status = nvmet_install_queue(ctrl, req);
if (status) {
/* pass back cntlid that had the issue of installing queue */
req->rsp->result.u16 = cpu_to_le16(ctrl->cntlid);
req->cqe->result.u16 = cpu_to_le16(ctrl->cntlid);
goto out_ctrl_put;
}

2
drivers/nvme/target/fc.c
View File

@ -2184,7 +2184,7 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
}
fod->req.cmd = &fod->cmdiubuf.sqe;
fod->req.rsp = &fod->rspiubuf.cqe;
fod->req.cqe = &fod->rspiubuf.cqe;
fod->req.port = tgtport->pe->port;
/* clear any response payload */

7
drivers/nvme/target/io-cmd-file.c
View File

@ -49,7 +49,12 @@ int nvmet_file_ns_enable(struct nvmet_ns *ns)
goto err;
ns->size = stat.size;
ns->blksize_shift = file_inode(ns->file)->i_blkbits;
/*
* i_blkbits can be greater than the universally accepted upper bound,
* so make sure we export a sane namespace lba_shift.
*/
ns->blksize_shift = min_t(u8,
file_inode(ns->file)->i_blkbits, 12);
ns->bvec_cache = kmem_cache_create("nvmet-bvec",
NVMET_MAX_MPOOL_BVEC * sizeof(struct bio_vec),

22
drivers/nvme/target/loop.c
View File

@ -18,7 +18,7 @@
struct nvme_loop_iod {
struct nvme_request nvme_req;
struct nvme_command cmd;
struct nvme_completion rsp;
struct nvme_completion cqe;
struct nvmet_req req;
struct nvme_loop_queue *queue;
struct work_struct work;
@ -94,7 +94,7 @@ static void nvme_loop_queue_response(struct nvmet_req *req)
{
struct nvme_loop_queue *queue =
container_of(req->sq, struct nvme_loop_queue, nvme_sq);
struct nvme_completion *cqe = req->rsp;
struct nvme_completion *cqe = req->cqe;
/*
* AEN requests are special as they don't time out and can
@ -129,20 +129,6 @@ static void nvme_loop_execute_work(struct work_struct *work)
nvmet_req_execute(&iod->req);
}
static enum blk_eh_timer_return
nvme_loop_timeout(struct request *rq, bool reserved)
{
struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(rq);
/* queue error recovery */
nvme_reset_ctrl(&iod->queue->ctrl->ctrl);
/* fail with DNR on admin cmd timeout */
nvme_req(rq)->status = NVME_SC_ABORT_REQ | NVME_SC_DNR;
return BLK_EH_DONE;
}
static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
@ -207,7 +193,7 @@ static int nvme_loop_init_iod(struct nvme_loop_ctrl *ctrl,
struct nvme_loop_iod *iod, unsigned int queue_idx)
{
iod->req.cmd = &iod->cmd;
iod->req.rsp = &iod->rsp;
iod->req.cqe = &iod->cqe;
iod->queue = &ctrl->queues[queue_idx];
INIT_WORK(&iod->work, nvme_loop_execute_work);
return 0;
@ -253,7 +239,6 @@ static const struct blk_mq_ops nvme_loop_mq_ops = {
.complete = nvme_loop_complete_rq,
.init_request = nvme_loop_init_request,
.init_hctx = nvme_loop_init_hctx,
.timeout = nvme_loop_timeout,
};
static const struct blk_mq_ops nvme_loop_admin_mq_ops = {
@ -261,7 +246,6 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = {
.complete = nvme_loop_complete_rq,
.init_request = nvme_loop_init_request,
.init_hctx = nvme_loop_init_admin_hctx,
.timeout = nvme_loop_timeout,
};
static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl)

4
drivers/nvme/target/nvmet.h
View File

@ -284,7 +284,7 @@ struct nvmet_fabrics_ops {
struct nvmet_req {
struct nvme_command *cmd;
struct nvme_completion *rsp;
struct nvme_completion *cqe;
struct nvmet_sq *sq;
struct nvmet_cq *cq;
struct nvmet_ns *ns;
@ -322,7 +322,7 @@ extern struct workqueue_struct *buffered_io_wq;
static inline void nvmet_set_result(struct nvmet_req *req, u32 result)
{
req->rsp->result.u32 = cpu_to_le32(result);
req->cqe->result.u32 = cpu_to_le32(result);
}
/*

21
drivers/nvme/target/rdma.c
View File

@ -160,7 +160,7 @@ static inline bool nvmet_rdma_need_data_out(struct nvmet_rdma_rsp *rsp)
{
return !nvme_is_write(rsp->req.cmd) &&
rsp->req.transfer_len &&
!rsp->req.rsp->status &&
!rsp->req.cqe->status &&
!(rsp->flags & NVMET_RDMA_REQ_INLINE_DATA);
}
@ -364,16 +364,17 @@ static int nvmet_rdma_alloc_rsp(struct nvmet_rdma_device *ndev,
struct nvmet_rdma_rsp *r)
{
/* NVMe CQE / RDMA SEND */
r->req.rsp = kmalloc(sizeof(*r->req.rsp), GFP_KERNEL);
if (!r->req.rsp)
r->req.cqe = kmalloc(sizeof(*r->req.cqe), GFP_KERNEL);
if (!r->req.cqe)
goto out;
r->send_sge.addr = ib_dma_map_single(ndev->device, r->req.rsp,
sizeof(*r->req.rsp), DMA_TO_DEVICE);
r->send_sge.addr = ib_dma_map_single(ndev->device, r->req.cqe,
sizeof(*r->req.cqe), DMA_TO_DEVICE);
if (ib_dma_mapping_error(ndev->device, r->send_sge.addr))
goto out_free_rsp;
r->send_sge.length = sizeof(*r->req.rsp);
r->req.p2p_client = &ndev->device->dev;
r->send_sge.length = sizeof(*r->req.cqe);
r->send_sge.lkey = ndev->pd->local_dma_lkey;
r->send_cqe.done = nvmet_rdma_send_done;
@ -388,7 +389,7 @@ static int nvmet_rdma_alloc_rsp(struct nvmet_rdma_device *ndev,
return 0;
out_free_rsp:
kfree(r->req.rsp);
kfree(r->req.cqe);
out:
return -ENOMEM;
}
@ -397,8 +398,8 @@ static void nvmet_rdma_free_rsp(struct nvmet_rdma_device *ndev,
struct nvmet_rdma_rsp *r)
{
ib_dma_unmap_single(ndev->device, r->send_sge.addr,
sizeof(*r->req.rsp), DMA_TO_DEVICE);
kfree(r->req.rsp);
sizeof(*r->req.cqe), DMA_TO_DEVICE);
kfree(r->req.cqe);
}
static int
@ -763,8 +764,6 @@ static void nvmet_rdma_handle_command(struct nvmet_rdma_queue *queue,
cmd->send_sge.addr, cmd->send_sge.length,
DMA_TO_DEVICE);
cmd->req.p2p_client = &queue->dev->device->dev;
if (!nvmet_req_init(&cmd->req, &queue->nvme_cq,
&queue->nvme_sq, &nvmet_rdma_ops))
return;

14
drivers/nvme/target/tcp.c
View File

@ -161,14 +161,14 @@ static inline bool nvmet_tcp_has_data_in(struct nvmet_tcp_cmd *cmd)
static inline bool nvmet_tcp_need_data_in(struct nvmet_tcp_cmd *cmd)
{
return nvmet_tcp_has_data_in(cmd) && !cmd->req.rsp->status;
return nvmet_tcp_has_data_in(cmd) && !cmd->req.cqe->status;
}
static inline bool nvmet_tcp_need_data_out(struct nvmet_tcp_cmd *cmd)
{
return !nvme_is_write(cmd->req.cmd) &&
cmd->req.transfer_len > 0 &&
!cmd->req.rsp->status;
!cmd->req.cqe->status;
}
static inline bool nvmet_tcp_has_inline_data(struct nvmet_tcp_cmd *cmd)
@ -378,7 +378,7 @@ static void nvmet_setup_c2h_data_pdu(struct nvmet_tcp_cmd *cmd)
pdu->hdr.plen =
cpu_to_le32(pdu->hdr.hlen + hdgst +
cmd->req.transfer_len + ddgst);
pdu->command_id = cmd->req.rsp->command_id;
pdu->command_id = cmd->req.cqe->command_id;
pdu->data_length = cpu_to_le32(cmd->req.transfer_len);
pdu->data_offset = cpu_to_le32(cmd->wbytes_done);
@ -774,12 +774,6 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue)
return -EPROTO;
}
if (icreq->maxr2t != 0) {
pr_err("queue %d: unsupported maxr2t %d\n", queue->idx,
le32_to_cpu(icreq->maxr2t) + 1);
return -EPROTO;
}
queue->hdr_digest = !!(icreq->digest & NVME_TCP_HDR_DIGEST_ENABLE);
queue->data_digest = !!(icreq->digest & NVME_TCP_DATA_DIGEST_ENABLE);
if (queue->hdr_digest || queue->data_digest) {
@ -1224,7 +1218,7 @@ static int nvmet_tcp_alloc_cmd(struct nvmet_tcp_queue *queue,
sizeof(*c->rsp_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO);
if (!c->rsp_pdu)
goto out_free_cmd;
c->req.rsp = &c->rsp_pdu->cqe;
c->req.cqe = &c->rsp_pdu->cqe;
c->data_pdu = page_frag_alloc(&queue->pf_cache,
sizeof(*c->data_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO);

2
include/linux/nvme-rdma.h
View File

@ -77,7 +77,7 @@ struct nvme_rdma_cm_rep {
* struct nvme_rdma_cm_rej - rdma connect reject
*
* @recfmt: format of the RDMA Private Data
* @fsts: error status for the associated connect request
* @sts: error status for the associated connect request
*/
struct nvme_rdma_cm_rej {
__le16 recfmt;