mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 18:48:01 +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
/******************************************************************************
|
|
|
|
(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.
|
|
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Functions to create and manage the backchannel
|
|
*/
|
|
|
|
#ifndef _LINUX_SUNRPC_BC_XPRT_H
|
|
#define _LINUX_SUNRPC_BC_XPRT_H
|
|
|
|
#include <linux/sunrpc/svcsock.h>
|
|
#include <linux/sunrpc/xprt.h>
|
|
#include <linux/sunrpc/sched.h>
|
|
|
|
#ifdef CONFIG_SUNRPC_BACKCHANNEL
|
|
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);
|
|
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);
|
|
|
|
/* 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);
|
|
|
|
/*
|
|
* Determine if a shared backchannel is in use
|
|
*/
|
|
static inline bool svc_is_backchannel(const struct svc_rqst *rqstp)
|
|
{
|
|
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,
|
|
unsigned int min_reqs)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline bool svc_is_backchannel(const struct svc_rqst *rqstp)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline void set_bc_enabled(struct svc_serv *serv)
|
|
{
|
|
}
|
|
|
|
static inline void xprt_free_bc_request(struct rpc_rqst *req)
|
|
{
|
|
}
|
|
#endif /* CONFIG_SUNRPC_BACKCHANNEL */
|
|
#endif /* _LINUX_SUNRPC_BC_XPRT_H */
|
|
|