mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 13:14:36 +07:00
0ad30ff67b
Patch fixes compilation error in nfs_callback_up_net()
serv->sv_bc_enabled is defined under enabled CONFIG_SUNRPC_BACKCHANNEL,
however nfs_callback_up_net() can access it even if this config option
was not set.
Fixes: a289ce5311 (sunrpc: replace svc_serv->sv_bc_xprt by boolean flag)
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/******************************************************************************
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(c) 2008 NetApp. All Rights Reserved.
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NetApp provides this source code under the GPL v2 License.
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The GPL v2 license is available at
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http://opensource.org/licenses/gpl-license.php.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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/*
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* Functions to create and manage the backchannel
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*/
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#ifndef _LINUX_SUNRPC_BC_XPRT_H
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#define _LINUX_SUNRPC_BC_XPRT_H
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#include <linux/sunrpc/svcsock.h>
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#include <linux/sunrpc/xprt.h>
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#include <linux/sunrpc/sched.h>
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#ifdef CONFIG_SUNRPC_BACKCHANNEL
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struct rpc_rqst *xprt_lookup_bc_request(struct rpc_xprt *xprt, __be32 xid);
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void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied);
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void xprt_init_bc_request(struct rpc_rqst *req, struct rpc_task *task);
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void xprt_free_bc_request(struct rpc_rqst *req);
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int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
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void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs);
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/* Socket backchannel transport methods */
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int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs);
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void xprt_destroy_bc(struct rpc_xprt *xprt, unsigned int max_reqs);
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void xprt_free_bc_rqst(struct rpc_rqst *req);
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/*
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* Determine if a shared backchannel is in use
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*/
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static inline bool svc_is_backchannel(const struct svc_rqst *rqstp)
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{
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return rqstp->rq_server->sv_bc_enabled;
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}
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static inline void set_bc_enabled(struct svc_serv *serv)
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{
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serv->sv_bc_enabled = true;
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}
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#else /* CONFIG_SUNRPC_BACKCHANNEL */
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static inline int xprt_setup_backchannel(struct rpc_xprt *xprt,
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unsigned int min_reqs)
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{
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return 0;
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}
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static inline bool svc_is_backchannel(const struct svc_rqst *rqstp)
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{
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return false;
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}
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static inline void set_bc_enabled(struct svc_serv *serv)
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{
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}
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static inline void xprt_free_bc_request(struct rpc_rqst *req)
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{
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}
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#endif /* CONFIG_SUNRPC_BACKCHANNEL */
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#endif /* _LINUX_SUNRPC_BC_XPRT_H */
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