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nvmet-tcp: allocate socket file

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For the TLS upcall we need to allocate a socket file such
that the userspace daemon is able to use the socket.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Hannes Reinecke 2023-08-24 16:39:21 +02:00 committed by Keith Busch
parent 4f8cce2d32
commit 79a4f186ad
1 changed files with 14 additions and 4 deletions
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18
drivers/nvme/target/tcp.c
View file

@ -1493,12 +1493,12 @@ static void nvmet_tcp_release_queue_work(struct work_struct *w)
nvmet_sq_destroy(&queue->nvme_sq);
cancel_work_sync(&queue->io_work);
nvmet_tcp_free_cmd_data_in_buffers(queue);
sock_release(queue->sock);
/* ->sock will be released by fput() */
fput(queue->sock->file);
nvmet_tcp_free_cmds(queue);
if (queue->hdr_digest || queue->data_digest)
nvmet_tcp_free_crypto(queue);
ida_free(&nvmet_tcp_queue_ida, queue->idx);
page = virt_to_head_page(queue->pf_cache.va);
__page_frag_cache_drain(page, queue->pf_cache.pagecnt_bias);
kfree(queue);
@ -1625,6 +1625,7 @@ static void nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port,
struct socket *newsock)
{
struct nvmet_tcp_queue *queue;
struct file *sock_file = NULL;
int ret;
queue = kzalloc(sizeof(*queue), GFP_KERNEL);
@ -1644,10 +1645,16 @@ static void nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port,
init_llist_head(&queue->resp_list);
INIT_LIST_HEAD(&queue->resp_send_list);
sock_file = sock_alloc_file(queue->sock, O_CLOEXEC, NULL);
if (IS_ERR(sock_file)) {
ret = PTR_ERR(sock_file);
goto out_free_queue;
}
queue->idx = ida_alloc(&nvmet_tcp_queue_ida, GFP_KERNEL);
if (queue->idx < 0) {
ret = queue->idx;
goto out_free_queue;
goto out_sock;
}
ret = nvmet_tcp_alloc_cmd(queue, &queue->connect);
@ -1678,11 +1685,14 @@ static void nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port,
nvmet_tcp_free_cmd(&queue->connect);
out_ida_remove:
ida_free(&nvmet_tcp_queue_ida, queue->idx);
out_sock:
fput(queue->sock->file);
out_free_queue:
kfree(queue);
out_release:
pr_err("failed to allocate queue, error %d\n", ret);
sock_release(newsock);
if (!sock_file)
sock_release(newsock);
}
static void nvmet_tcp_accept_work(struct work_struct *w)