diff options
Diffstat (limited to 'include/linux/sunrpc/bc_xprt.h')
| -rw-r--r-- | include/linux/sunrpc/bc_xprt.h | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h index 969c0a671dbf..f22bf915dcf6 100644 --- a/include/linux/sunrpc/bc_xprt.h +++ b/include/linux/sunrpc/bc_xprt.h @@ -1,22 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** (c) 2008 NetApp. All Rights Reserved. -NetApp provides this source code under the GPL v2 License. -The GPL v2 license is available at -http://opensource.org/licenses/gpl-license.php. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************/ @@ -32,20 +18,31 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <linux/sunrpc/sched.h> #ifdef CONFIG_SUNRPC_BACKCHANNEL -struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt); +struct rpc_rqst *xprt_lookup_bc_request(struct rpc_xprt *xprt, __be32 xid); +void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied); +void xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task, + const struct rpc_timeout *to); void xprt_free_bc_request(struct rpc_rqst *req); int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs); -int bc_send(struct rpc_rqst *req); + +/* Socket backchannel transport methods */ +int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs); +void xprt_destroy_bc(struct rpc_xprt *xprt, unsigned int max_reqs); +void xprt_free_bc_rqst(struct rpc_rqst *req); +unsigned int xprt_bc_max_slots(struct rpc_xprt *xprt); /* * Determine if a shared backchannel is in use */ -static inline int svc_is_backchannel(const struct svc_rqst *rqstp) +static inline bool svc_is_backchannel(const struct svc_rqst *rqstp) { - if (rqstp->rq_server->sv_bc_xprt) - return 1; - return 0; + return rqstp->rq_server->sv_bc_enabled; +} + +static inline void set_bc_enabled(struct svc_serv *serv) +{ + serv->sv_bc_enabled = true; } #else /* CONFIG_SUNRPC_BACKCHANNEL */ static inline int xprt_setup_backchannel(struct rpc_xprt *xprt, @@ -54,9 +51,18 @@ static inline int xprt_setup_backchannel(struct rpc_xprt *xprt, return 0; } -static inline int svc_is_backchannel(const struct svc_rqst *rqstp) +static inline void xprt_destroy_backchannel(struct rpc_xprt *xprt, + unsigned int max_reqs) +{ +} + +static inline bool svc_is_backchannel(const struct svc_rqst *rqstp) +{ + return false; +} + +static inline void set_bc_enabled(struct svc_serv *serv) { - return 0; } static inline void xprt_free_bc_request(struct rpc_rqst *req) @@ -64,4 +70,3 @@ static inline void xprt_free_bc_request(struct rpc_rqst *req) } #endif /* CONFIG_SUNRPC_BACKCHANNEL */ #endif /* _LINUX_SUNRPC_BC_XPRT_H */ - |