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for-linus-20181109

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Merge tag 'for-linus-20181109' of git://git.kernel.dk/linux-block

Pull block layer fixes from Jens Axboe:

 - Two fixes for an ubd regression, one for missing locking, and one for
   a missing initialization of a field. The latter was an old latent
   bug, but it's now visible and triggers (Me, Anton Ivanov)

 - Set of NVMe fixes via Christoph, but applied manually due to a git
   tree mixup (Christoph, Sagi)

 - Fix for a discard split regression, in three patches (Ming)

 - Update libata git trees (Geert)

 - SPDX identifier for sata_rcar (Kuninori Morimoto)

 - Virtual boundary merge fix (Johannes)

 - Preemptively clear memory we are going to pass to userspace, in case
   the driver does a short read (Keith)

* tag 'for-linus-20181109' of git://git.kernel.dk/linux-block:
  block: make sure writesame bio is aligned with logical block size
  block: cleanup __blkdev_issue_discard()
  block: make sure discard bio is aligned with logical block size
  Revert "nvmet-rdma: use a private workqueue for delete"
  nvme: make sure ns head inherits underlying device limits
  nvmet: don't try to add ns to p2p map unless it actually uses it
  sata_rcar: convert to SPDX identifiers
  ubd: fix missing initialization of io_req
  block: Clear kernel memory before copying to user
  MAINTAINERS: Fix remaining pointers to obsolete libata.git
  ubd: fix missing lock around request issue
  block: respect virtual boundary mask in bvecs
This commit is contained in:
Linus Torvalds 2018-11-09 16:31:51 -06:00
commit dc5db21865
11 changed files with 43 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/nvme/host/core.c
View file

@ -1519,8 +1519,10 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
if (ns->ndev)
nvme_nvm_update_nvm_info(ns);
#ifdef CONFIG_NVME_MULTIPATH
if (ns->head->disk)
if (ns->head->disk) {
nvme_update_disk_info(ns->head->disk, ns, id);
blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
}
#endif
}

1
drivers/nvme/host/multipath.c
View file

@ -285,6 +285,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
/* set to a default value for 512 until disk is validated */
blk_queue_logical_block_size(q, 512);
blk_set_stacking_limits(&q->limits);
/* we need to propagate up the VMC settings */
if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)

2
drivers/nvme/target/core.c
View file

@ -420,7 +420,7 @@ static void nvmet_p2pmem_ns_add_p2p(struct nvmet_ctrl *ctrl,
struct pci_dev *p2p_dev;
int ret;
if (!ctrl->p2p_client)
if (!ctrl->p2p_client || !ns->use_p2pmem)
return;
if (ns->p2p_dev) {

19
drivers/nvme/target/rdma.c
View file

@ -122,7 +122,6 @@ struct nvmet_rdma_device {
int inline_page_count;
};
static struct workqueue_struct *nvmet_rdma_delete_wq;
static bool nvmet_rdma_use_srq;
module_param_named(use_srq, nvmet_rdma_use_srq, bool, 0444);
MODULE_PARM_DESC(use_srq, "Use shared receive queue.");
@ -1274,12 +1273,12 @@ static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
if (queue->host_qid == 0) {
/* Let inflight controller teardown complete */
flush_workqueue(nvmet_rdma_delete_wq);
flush_scheduled_work();
}
ret = nvmet_rdma_cm_accept(cm_id, queue, &event->param.conn);
if (ret) {
queue_work(nvmet_rdma_delete_wq, &queue->release_work);
schedule_work(&queue->release_work);
/* Destroying rdma_cm id is not needed here */
return 0;
}
@ -1344,7 +1343,7 @@ static void __nvmet_rdma_queue_disconnect(struct nvmet_rdma_queue *queue)
if (disconnect) {
rdma_disconnect(queue->cm_id);
queue_work(nvmet_rdma_delete_wq, &queue->release_work);
schedule_work(&queue->release_work);
}
}
@ -1374,7 +1373,7 @@ static void nvmet_rdma_queue_connect_fail(struct rdma_cm_id *cm_id,
mutex_unlock(&nvmet_rdma_queue_mutex);
pr_err("failed to connect queue %d\n", queue->idx);
queue_work(nvmet_rdma_delete_wq, &queue->release_work);
schedule_work(&queue->release_work);
}
/**
@ -1656,17 +1655,8 @@ static int __init nvmet_rdma_init(void)
if (ret)
goto err_ib_client;
nvmet_rdma_delete_wq = alloc_workqueue("nvmet-rdma-delete-wq",
WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 0);
if (!nvmet_rdma_delete_wq) {
ret = -ENOMEM;
goto err_unreg_transport;
}
return 0;
err_unreg_transport:
nvmet_unregister_transport(&nvmet_rdma_ops);
err_ib_client:
ib_unregister_client(&nvmet_rdma_ib_client);
return ret;
@ -1674,7 +1664,6 @@ err_ib_client:
static void __exit nvmet_rdma_exit(void)
{
destroy_workqueue(nvmet_rdma_delete_wq);
nvmet_unregister_transport(&nvmet_rdma_ops);
ib_unregister_client(&nvmet_rdma_ib_client);
WARN_ON_ONCE(!list_empty(&nvmet_rdma_queue_list));