From 65bb45b97b578c8eed1ffa80caec84708df49729 Mon Sep 17 00:00:00 2001 From: Namjae Jeon Date: Mon, 16 May 2022 16:22:43 +0900 Subject: ksmbd: add smbd max io size parameter Add 'smbd max io size' parameter to adjust smbd-direct max read/write size. Signed-off-by: Namjae Jeon Reviewed-by: Hyunchul Lee Signed-off-by: Steve French --- fs/ksmbd/transport_rdma.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/ksmbd/transport_rdma.h') diff --git a/fs/ksmbd/transport_rdma.h b/fs/ksmbd/transport_rdma.h index 5567d93a6f96..e7b4e6790fab 100644 --- a/fs/ksmbd/transport_rdma.h +++ b/fs/ksmbd/transport_rdma.h @@ -7,6 +7,10 @@ #ifndef __KSMBD_TRANSPORT_RDMA_H__ #define __KSMBD_TRANSPORT_RDMA_H__ +#define SMBD_DEFAULT_IOSIZE (8 * 1024 * 1024) +#define SMBD_MIN_IOSIZE (512 * 1024) +#define SMBD_MAX_IOSIZE (16 * 1024 * 1024) + /* SMB DIRECT negotiation request packet [MS-SMBD] 2.2.1 */ struct smb_direct_negotiate_req { __le16 min_version; @@ -52,10 +56,12 @@ struct smb_direct_data_transfer { int ksmbd_rdma_init(void); void ksmbd_rdma_destroy(void); bool ksmbd_rdma_capable_netdev(struct net_device *netdev); +void init_smbd_max_io_size(unsigned int sz); #else static inline int ksmbd_rdma_init(void) { return 0; } static inline int ksmbd_rdma_destroy(void) { return 0; } static inline bool ksmbd_rdma_capable_netdev(struct net_device *netdev) { return false; } +static inline void init_smbd_max_io_size(unsigned int sz) { } #endif #endif /* __KSMBD_TRANSPORT_RDMA_H__ */ -- cgit v1.2.3