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Merge branch 'for-linus' of git://git.kernel.dk/linux-block

Browse source 
Pull block fixes from Jens Axboe:
 "A small collection of fixes that should go into this cycle.

   - a pull request from Christoph for NVMe, which ended up being
     manually applied to avoid pulling in newer bits in master. Mostly
     fibre channel fixes from James, but also a few fixes from Jon and
     Vijay

   - a pull request from Konrad, with just a single fix for xen-blkback
     from Gustavo.

   - a fuseblk bdi fix from Jan, fixing a regression in this series with
     the dynamic backing devices.

   - a blktrace fix from Shaohua, replacing sscanf() with kstrtoull().

   - a request leak fix for drbd from Lars, fixing a regression in the
     last series with the kref changes. This will go to stable as well"

* 'for-linus' of git://git.kernel.dk/linux-block:
  nvmet: release the sq ref on rdma read errors
  nvmet-fc: remove target cpu scheduling flag
  nvme-fc: stop queues on error detection
  nvme-fc: require target or discovery role for fc-nvme targets
  nvme-fc: correct port role bits
  nvme: unmap CMB and remove sysfs file in reset path
  blktrace: fix integer parse
  fuseblk: Fix warning in super_setup_bdi_name()
  block: xen-blkback: add null check to avoid null pointer dereference
  drbd: fix request leak introduced by locking/atomic, kref: Kill kref_sub()
This commit is contained in:
Linus Torvalds 2017-05-20 16:12:30 -07:00
commit 894e21642d
13 changed files with 59 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

10
drivers/nvme/host/fc.c
View file

@ -1754,6 +1754,10 @@ nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg)
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: resetting controller\n", ctrl->cnum);
/* stop the queues on error, cleanup is in reset thread */
if (ctrl->queue_count > 1)
nvme_stop_queues(&ctrl->ctrl);
if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) {
dev_err(ctrl->ctrl.device,
"NVME-FC{%d}: error_recovery: Couldn't change state "
@ -2720,6 +2724,12 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
unsigned long flags;
int ret, idx;
if (!(rport->remoteport.port_role &
(FC_PORT_ROLE_NVME_DISCOVERY | FC_PORT_ROLE_NVME_TARGET))) {
ret = -EBADR;
goto out_fail;
}
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (!ctrl) {
ret = -ENOMEM;

7
drivers/nvme/host/pci.c
View file

@ -1506,6 +1506,11 @@ static inline void nvme_release_cmb(struct nvme_dev *dev)
if (dev->cmb) {
iounmap(dev->cmb);
dev->cmb = NULL;
if (dev->cmbsz) {
sysfs_remove_file_from_group(&dev->ctrl.device->kobj,
&dev_attr_cmb.attr, NULL);
dev->cmbsz = 0;
}
}
}
@ -1779,6 +1784,7 @@ static void nvme_pci_disable(struct nvme_dev *dev)
{
struct pci_dev *pdev = to_pci_dev(dev->dev);
nvme_release_cmb(dev);
pci_free_irq_vectors(pdev);
if (pci_is_enabled(pdev)) {
@ -2184,7 +2190,6 @@ static void nvme_remove(struct pci_dev *pdev)
nvme_dev_disable(dev, true);
nvme_dev_remove_admin(dev);
nvme_free_queues(dev, 0);
nvme_release_cmb(dev);
nvme_release_prp_pools(dev);
nvme_dev_unmap(dev);
nvme_put_ctrl(&dev->ctrl);

6
drivers/nvme/target/core.c
View file

@ -529,6 +529,12 @@ fail:
}
EXPORT_SYMBOL_GPL(nvmet_req_init);
void nvmet_req_uninit(struct nvmet_req *req)
{
percpu_ref_put(&req->sq->ref);
}
EXPORT_SYMBOL_GPL(nvmet_req_uninit);
static inline bool nvmet_cc_en(u32 cc)
{
return cc & 0x1;

4
drivers/nvme/target/fc.c
View file

@ -517,9 +517,7 @@ nvmet_fc_queue_to_cpu(struct nvmet_fc_tgtport *tgtport, int qid)
{
int cpu, idx, cnt;
if (!(tgtport->ops->target_features &
NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED) ||
tgtport->ops->max_hw_queues == 1)
if (tgtport->ops->max_hw_queues == 1)
return WORK_CPU_UNBOUND;
/* Simple cpu selection based on qid modulo active cpu count */

1
drivers/nvme/target/fcloop.c
View file

@ -698,7 +698,6 @@ static struct nvmet_fc_target_template tgttemplate = {
.dma_boundary = FCLOOP_DMABOUND_4G,
/* optional features */
.target_features = NVMET_FCTGTFEAT_CMD_IN_ISR |
NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED |
NVMET_FCTGTFEAT_OPDONE_IN_ISR,
/* sizes of additional private data for data structures */
.target_priv_sz = sizeof(struct fcloop_tport),

1
drivers/nvme/target/nvmet.h
View file

@ -261,6 +261,7 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req);
bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
struct nvmet_sq *sq, struct nvmet_fabrics_ops *ops);
void nvmet_req_uninit(struct nvmet_req *req);
void nvmet_req_complete(struct nvmet_req *req, u16 status);
void nvmet_cq_setup(struct nvmet_ctrl *ctrl, struct nvmet_cq *cq, u16 qid,

1
drivers/nvme/target/rdma.c
View file

@ -567,6 +567,7 @@ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc)
rsp->n_rdma = 0;
if (unlikely(wc->status != IB_WC_SUCCESS)) {
nvmet_req_uninit(&rsp->req);
nvmet_rdma_release_rsp(rsp);
if (wc->status != IB_WC_WR_FLUSH_ERR) {
pr_info("RDMA READ for CQE 0x%p failed with status %s (%d).\n",