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cifs: smbd: take an array of reqeusts when sending upper layer data

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To support compounding, __smb_send_rqst() now sends an array of requests to
the transport layer.
Change smbd_send() to take an array of requests, and send them in as few
packets as possible.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
This commit is contained in:
Long Li
2019-04-15 14:49:17 -07:00
committed by Steve French
parent 46e6661963
commit 4739f23286
3 changed files with 32 additions and 30 deletions
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5
fs/cifs/smbdirect.h
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@@ -284,7 +284,8 @@ void smbd_destroy(struct TCP_Server_Info *server);
/* Interface for carrying upper layer I/O through send/recv */
int smbd_recv(struct smbd_connection *info, struct msghdr *msg);
int smbd_send(struct TCP_Server_Info *server, struct smb_rqst *rqst);
int smbd_send(struct TCP_Server_Info *server,
int num_rqst, struct smb_rqst *rqst);
enum mr_state {
MR_READY,
@@ -324,7 +325,7 @@ static inline void *smbd_get_connection(
static inline int smbd_reconnect(struct TCP_Server_Info *server) {return -1; }
static inline void smbd_destroy(struct TCP_Server_Info *server) {}
static inline int smbd_recv(struct smbd_connection *info, struct msghdr *msg) {return -1; }
static inline int smbd_send(struct TCP_Server_Info *server, struct smb_rqst *rqst) {return -1; }
static inline int smbd_send(struct TCP_Server_Info *server, int num_rqst, struct smb_rqst *rqst) {return -1; }
#endif
#endif