From: Long Li <[email protected]> Define wait queue in preparation for implement SMBD send. SMBD uses credit based flow control system, if the client doesn't have enough credits then it must wait for credits.
Signed-off-by: Long Li <[email protected]> --- fs/cifs/cifsrdma.c | 1 + fs/cifs/cifsrdma.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/fs/cifs/cifsrdma.c b/fs/cifs/cifsrdma.c index 9610897..8aa8a47 100644 --- a/fs/cifs/cifsrdma.c +++ b/fs/cifs/cifsrdma.c @@ -484,6 +484,7 @@ struct cifs_rdma_info* cifs_create_rdma_session( mempool_free_slab, info->response_cache); allocate_receive_buffers(info, info->receive_credit_max); + init_waitqueue_head(&info->wait_send_queue); out2: rdma_destroy_id(info->id); diff --git a/fs/cifs/cifsrdma.h b/fs/cifs/cifsrdma.h index e925aa4..287b5b1 100644 --- a/fs/cifs/cifsrdma.h +++ b/fs/cifs/cifsrdma.h @@ -62,6 +62,8 @@ struct cifs_rdma_info { struct list_head receive_queue; spinlock_t receive_queue_lock; + wait_queue_head_t wait_send_queue; + // request pool for RDMA send struct kmem_cache *request_cache; mempool_t *request_mempool; -- 2.7.4
