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nvme fixes for Linux 6.2

Browse Source 
- fix a missing queue put in nvmet_fc_ls_create_association (Amit Engel)
  - clear queue pointers on tag_set initialization failure
    (Maurizio Lombardi)
  - use workqueue dedicated to authentication (Shin'ichiro Kawasaki)
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Merge tag 'nvme-6.2-2023-02-02' of git://git.infradead.org/nvme into block-6.2

Pul NVMe fixes from Christoph:

"nvme fixes for Linux 6.2

 - fix a missing queue put in nvmet_fc_ls_create_association (Amit Engel)
 - clear queue pointers on tag_set initialization failure
   (Maurizio Lombardi)
 - use workqueue dedicated to authentication (Shin'ichiro Kawasaki)"

* tag 'nvme-6.2-2023-02-02' of git://git.infradead.org/nvme:
  nvme-auth: use workqueue dedicated to authentication
  nvme: clear the request_queue pointers on failure in nvme_alloc_io_tag_set
  nvme: clear the request_queue pointers on failure in nvme_alloc_admin_tag_set
  nvme-fc: fix a missing queue put in nvmet_fc_ls_create_association
This commit is contained in:
Jens Axboe 2023-02-02 11:02:12 -07:00
commit e02bbac74c
3 changed files with 19 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/nvme/host/auth.c
View File

@ -45,6 +45,8 @@ struct nvme_dhchap_queue_context {
int sess_key_len;
};
struct workqueue_struct *nvme_auth_wq;
#define nvme_auth_flags_from_qid(qid) \
(qid == 0) ? 0 : BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_RESERVED
#define nvme_auth_queue_from_qid(ctrl, qid) \
@ -866,7 +868,7 @@ int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid)
chap = &ctrl->dhchap_ctxs[qid];
cancel_work_sync(&chap->auth_work);
queue_work(nvme_wq, &chap->auth_work);
queue_work(nvme_auth_wq, &chap->auth_work);
return 0;
}
EXPORT_SYMBOL_GPL(nvme_auth_negotiate);
@ -1008,10 +1010,15 @@ EXPORT_SYMBOL_GPL(nvme_auth_free);
int __init nvme_init_auth(void)
{
nvme_auth_wq = alloc_workqueue("nvme-auth-wq",
WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 0);
if (!nvme_auth_wq)
return -ENOMEM;
nvme_chap_buf_cache = kmem_cache_create("nvme-chap-buf-cache",
CHAP_BUF_SIZE, 0, SLAB_HWCACHE_ALIGN, NULL);
if (!nvme_chap_buf_cache)
return -ENOMEM;
goto err_destroy_workqueue;
nvme_chap_buf_pool = mempool_create(16, mempool_alloc_slab,
mempool_free_slab, nvme_chap_buf_cache);
@ -1021,6 +1028,8 @@ int __init nvme_init_auth(void)
return 0;
err_destroy_chap_buf_cache:
kmem_cache_destroy(nvme_chap_buf_cache);
err_destroy_workqueue:
destroy_workqueue(nvme_auth_wq);
return -ENOMEM;
}
@ -1028,4 +1037,5 @@ void __exit nvme_exit_auth(void)
{
mempool_destroy(nvme_chap_buf_pool);
kmem_cache_destroy(nvme_chap_buf_cache);
destroy_workqueue(nvme_auth_wq);
}

5
drivers/nvme/host/core.c
View File

@ -4892,7 +4892,9 @@ int nvme_alloc_admin_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
blk_mq_destroy_queue(ctrl->admin_q);
blk_put_queue(ctrl->admin_q);
out_free_tagset:
blk_mq_free_tag_set(ctrl->admin_tagset);
blk_mq_free_tag_set(set);
ctrl->admin_q = NULL;
ctrl->fabrics_q = NULL;
return ret;
}
EXPORT_SYMBOL_GPL(nvme_alloc_admin_tag_set);
@ -4954,6 +4956,7 @@ int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
out_free_tag_set:
blk_mq_free_tag_set(set);
ctrl->connect_q = NULL;
return ret;
}
EXPORT_SYMBOL_GPL(nvme_alloc_io_tag_set);

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

@ -1685,8 +1685,10 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
else {
queue = nvmet_fc_alloc_target_queue(iod->assoc, 0,
be16_to_cpu(rqst->assoc_cmd.sqsize));
if (!queue)
if (!queue) {
ret = VERR_QUEUE_ALLOC_FAIL;
nvmet_fc_tgt_a_put(iod->assoc);
}
}
}