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sunrpc: move rq_usedeferral flag to rq_flags

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Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2014-11-19 07:51:16 -05:00 committed by J. Bruce Fields
parent 7501cc2bcf
commit 30660e04b0
5 changed files with 10 additions and 9 deletions
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4
fs/nfsd/nfs4proc.c
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@ -1370,7 +1370,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
* Don't use the deferral mechanism for NFSv4; compounds make it
* too hard to avoid non-idempotency problems.
*/
rqstp->rq_usedeferral = false;
clear_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
/*
* According to RFC3010, this takes precedence over all other errors.
@ -1486,7 +1486,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
BUG_ON(cstate->replay_owner);
out:
/* Reset deferral mechanism for RPC deferrals */
rqstp->rq_usedeferral = true;
set_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
dprintk("nfsv4 compound returned %d\n", ntohl(status));
return status;
}

2
include/linux/sunrpc/svc.h
View File

@ -236,7 +236,6 @@ struct svc_rqst {
struct svc_cred rq_cred; /* auth info */
void * rq_xprt_ctxt; /* transport specific context ptr */
struct svc_deferred_req*rq_deferred; /* deferred request we are replaying */
bool rq_usedeferral; /* use deferral */
size_t rq_xprt_hlen; /* xprt header len */
struct xdr_buf rq_arg;
@ -255,6 +254,7 @@ struct svc_rqst {
u32 rq_prot; /* IP protocol */
#define RQ_SECURE (0) /* secure port */
#define RQ_LOCAL (1) /* local request */
#define RQ_USEDEFERRAL (2) /* use deferral */
unsigned long rq_flags; /* flags field */
void * rq_argp; /* decoded arguments */

9
include/trace/events/sunrpc.h
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@ -412,10 +412,11 @@ TRACE_EVENT(xs_tcp_data_recv,
__entry->copied, __entry->reclen, __entry->offset)
);
#define show_rqstp_flags(flags) \
__print_flags(flags, "|", \
{ (1UL << RQ_SECURE), "RQ_SECURE"}, \
{ (1UL << RQ_LOCAL), "RQ_LOCAL"})
#define show_rqstp_flags(flags) \
__print_flags(flags, "|", \
{ (1UL << RQ_SECURE), "RQ_SECURE"}, \
{ (1UL << RQ_LOCAL), "RQ_LOCAL"}, \
{ (1UL << RQ_USEDEFERRAL), "RQ_USEDEFERRAL"})
TRACE_EVENT(svc_recv,
TP_PROTO(struct svc_rqst *rqst, int status),

2
net/sunrpc/svc.c
View File

@ -1090,7 +1090,7 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
/* Will be turned off only in gss privacy case: */
rqstp->rq_splice_ok = true;
/* Will be turned off only when NFSv4 Sessions are used */
rqstp->rq_usedeferral = true;
set_bit(RQ_USEDEFERRAL, &rqstp->rq_flags);
rqstp->rq_dropme = false;
/* Setup reply header */

2
net/sunrpc/svc_xprt.c
View File

@ -1081,7 +1081,7 @@ static struct cache_deferred_req *svc_defer(struct cache_req *req)
struct svc_rqst *rqstp = container_of(req, struct svc_rqst, rq_chandle);
struct svc_deferred_req *dr;
if (rqstp->rq_arg.page_len || !rqstp->rq_usedeferral)
if (rqstp->rq_arg.page_len || !test_bit(RQ_USEDEFERRAL, &rqstp->rq_flags))
return NULL; /* if more than a page, give up FIXME */
if (rqstp->rq_deferred) {
dr = rqstp->rq_deferred;