323bee32e9
In order to avoid blocking a service thread, the receive side checks to see if there is sufficient write space to reply to the request. Each transport has a different mechanism for determining if there is enough write space to reply. The code that checked for write space was coupled with code that checked for CLOSE and CONN. These checks have been broken out into separate statements to make the code easier to read. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
40 lines
940 B
C
40 lines
940 B
C
/*
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* linux/include/linux/sunrpc/svc_xprt.h
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*
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* RPC server transport I/O
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*/
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#ifndef SUNRPC_SVC_XPRT_H
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#define SUNRPC_SVC_XPRT_H
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#include <linux/sunrpc/svc.h>
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struct svc_xprt_ops {
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int (*xpo_has_wspace)(struct svc_xprt *);
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int (*xpo_recvfrom)(struct svc_rqst *);
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void (*xpo_prep_reply_hdr)(struct svc_rqst *);
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int (*xpo_sendto)(struct svc_rqst *);
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void (*xpo_release_rqst)(struct svc_rqst *);
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void (*xpo_detach)(struct svc_xprt *);
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void (*xpo_free)(struct svc_xprt *);
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};
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struct svc_xprt_class {
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const char *xcl_name;
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struct module *xcl_owner;
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struct svc_xprt_ops *xcl_ops;
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struct list_head xcl_list;
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u32 xcl_max_payload;
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};
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struct svc_xprt {
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struct svc_xprt_class *xpt_class;
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struct svc_xprt_ops *xpt_ops;
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};
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int svc_reg_xprt_class(struct svc_xprt_class *);
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void svc_unreg_xprt_class(struct svc_xprt_class *);
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void svc_xprt_init(struct svc_xprt_class *, struct svc_xprt *);
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#endif /* SUNRPC_SVC_XPRT_H */
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