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smb: client: make use of smb: smbdirect_socket.recv_io.free.{list,lock}

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This will be used by the server too in order to have common
helper functions in future.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Stefan Metzmacher 2025-08-05 18:11:35 +02:00 committed by Steve French
parent d0df32a302
commit 5950045084
2 changed files with 13 additions and 15 deletions
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25
fs/smb/client/smbdirect.c
View File

@ -1165,19 +1165,20 @@ static struct smbdirect_recv_io *_get_first_reassembly(struct smbd_connection *i
*/
static struct smbdirect_recv_io *get_receive_buffer(struct smbd_connection *info)
{
struct smbdirect_socket *sc = &info->socket;
struct smbdirect_recv_io *ret = NULL;
unsigned long flags;
spin_lock_irqsave(&info->receive_queue_lock, flags);
if (!list_empty(&info->receive_queue)) {
spin_lock_irqsave(&sc->recv_io.free.lock, flags);
if (!list_empty(&sc->recv_io.free.list)) {
ret = list_first_entry(
&info->receive_queue,
&sc->recv_io.free.list,
struct smbdirect_recv_io, list);
list_del(&ret->list);
info->count_receive_queue--;
info->count_get_receive_buffer++;
}
spin_unlock_irqrestore(&info->receive_queue_lock, flags);
spin_unlock_irqrestore(&sc->recv_io.free.lock, flags);
return ret;
}
@ -1202,11 +1203,11 @@ static void put_receive_buffer(
response->sge.length = 0;
}
spin_lock_irqsave(&info->receive_queue_lock, flags);
list_add_tail(&response->list, &info->receive_queue);
spin_lock_irqsave(&sc->recv_io.free.lock, flags);
list_add_tail(&response->list, &sc->recv_io.free.list);
info->count_receive_queue++;
info->count_put_receive_buffer++;
spin_unlock_irqrestore(&info->receive_queue_lock, flags);
spin_unlock_irqrestore(&sc->recv_io.free.lock, flags);
queue_work(info->workqueue, &info->post_send_credits_work);
}
@ -1223,8 +1224,8 @@ static int allocate_receive_buffers(struct smbd_connection *info, int num_buf)
info->reassembly_data_length = 0;
info->reassembly_queue_length = 0;
INIT_LIST_HEAD(&info->receive_queue);
spin_lock_init(&info->receive_queue_lock);
INIT_LIST_HEAD(&sc->recv_io.free.list);
spin_lock_init(&sc->recv_io.free.lock);
info->count_receive_queue = 0;
init_waitqueue_head(&info->wait_receive_queues);
@ -1236,16 +1237,16 @@ static int allocate_receive_buffers(struct smbd_connection *info, int num_buf)
response->socket = sc;
response->sge.length = 0;
list_add_tail(&response->list, &info->receive_queue);
list_add_tail(&response->list, &sc->recv_io.free.list);
info->count_receive_queue++;
}
return 0;
allocate_failed:
while (!list_empty(&info->receive_queue)) {
while (!list_empty(&sc->recv_io.free.list)) {
response = list_first_entry(
&info->receive_queue,
&sc->recv_io.free.list,
struct smbdirect_recv_io, list);
list_del(&response->list);
info->count_receive_queue--;

3
fs/smb/client/smbdirect.h
View File

@ -105,10 +105,7 @@ struct smbd_connection {
wait_queue_head_t wait_post_send;
/* Receive queue */
struct list_head receive_queue;
int count_receive_queue;
spinlock_t receive_queue_lock;
wait_queue_head_t wait_receive_queues;
/* Reassembly queue */