From e3a535e1739a9da3cc316ccdfe5cd4bf84d745ac Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 19 Jul 2007 10:03:38 -0400 Subject: [PATCH] NFSv4: Fix the nfsv4 readlink reply buffer alignment Signed-off-by: Trond Myklebust --- fs/nfs/nfs4xdr.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index bec171a..7b73ca8 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1201,21 +1201,11 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req) { - struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; - unsigned int replen; __be32 *p; RESERVE_SPACE(4); WRITE32(OP_READLINK); - /* set up reply kvec - * toplevel_status + taglen + rescount + OP_PUTFH + status - * + OP_READLINK + status + string length = 8 - */ - replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2; - xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages, - readlink->pgbase, readlink->pglen); - return 0; } @@ -1781,6 +1771,8 @@ static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct n struct compound_hdr hdr = { .nops = 2, }; + struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; + unsigned int replen; int status; xdr_init_encode(&xdr, &req->rq_snd_buf, p); @@ -1789,6 +1781,15 @@ static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct n if(status) goto out; status = encode_readlink(&xdr, args, req); + + /* set up reply kvec + * toplevel_status + taglen + rescount + OP_PUTFH + status + * + OP_READLINK + status + string length = 8 + */ + replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readlink_sz) << 2; + xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, + args->pgbase, args->pglen); + out: return status; } -- 1.8.2.3