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nfsd4: use session limits to release send buffer reservation

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Once we know the limits the session places on the size of the rpc, we
can also use that information to release any unnecessary reserved reply
buffer space.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2014-03-20 20:47:41 -04:00
parent 47ee529864
commit 32aaa62ede
1 changed files with 1 additions and 0 deletions
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fs/nfsd/nfs4state.c
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@ -2290,6 +2290,7 @@ nfsd4_sequence(struct svc_rqst *rqstp,
nfserr_rep_too_big;
if (xdr_restrict_buflen(xdr, buflen - 2 * RPC_MAX_AUTH_SIZE))
goto out_put_session;
svc_reserve(rqstp, buflen);
status = nfs_ok;
/* Success! bump slot seqid */