From 6fdfb0bc2a43f5deb612b7f79d9c7750708e0184 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sun, 4 Mar 2012 18:13:57 -0500 Subject: [PATCH] NFSv4: Minor clean ups for encode_string() Signed-off-by: Trond Myklebust --- fs/nfs/nfs4xdr.c | 40 ++++++++++++++++++---------------------- 1 file changed, 18 insertions(+), 22 deletions(-) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 76ef98632839..d6e8306d02a7 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -897,8 +897,7 @@ static void encode_string(struct xdr_stream *xdr, unsigned int len, const char * { __be32 *p; - p = xdr_reserve_space(xdr, 4 + len); - BUG_ON(p == NULL); + p = reserve_space(xdr, 4 + len); xdr_encode_opaque(p, str, len); } @@ -915,8 +914,8 @@ static void encode_compound_hdr(struct xdr_stream *xdr, hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); - p = reserve_space(xdr, 4 + hdr->taglen + 8); - p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); + encode_string(xdr, hdr->taglen, hdr->tag); + p = reserve_space(xdr, 8); *p++ = cpu_to_be32(hdr->minorversion); hdr->nops_p = p; *p = cpu_to_be32(hdr->nops); @@ -1216,9 +1215,9 @@ static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct { __be32 *p; - p = reserve_space(xdr, 8 + name->len); - *p++ = cpu_to_be32(OP_LINK); - xdr_encode_opaque(p, name->name, name->len); + p = reserve_space(xdr, 4); + *p = cpu_to_be32(OP_LINK); + encode_string(xdr, name->len, name->name); hdr->nops++; hdr->replen += decode_link_maxsz; } @@ -1324,12 +1323,11 @@ static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lo static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) { - int len = name->len; __be32 *p; - p = reserve_space(xdr, 8 + len); - *p++ = cpu_to_be32(OP_LOOKUP); - xdr_encode_opaque(p, name->name, len); + p = reserve_space(xdr, 4); + *p = cpu_to_be32(OP_LOOKUP); + encode_string(xdr, name->len, name->name); hdr->nops++; hdr->replen += decode_lookup_maxsz; } @@ -1521,12 +1519,11 @@ static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_close static void encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) { - int len = fh->size; __be32 *p; - p = reserve_space(xdr, 8 + len); - *p++ = cpu_to_be32(OP_PUTFH); - xdr_encode_opaque(p, fh->data, len); + p = reserve_space(xdr, 4); + *p = cpu_to_be32(OP_PUTFH); + encode_string(xdr, fh->size, fh->data); hdr->nops++; hdr->replen += decode_putfh_maxsz; } @@ -1628,9 +1625,9 @@ static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struc { __be32 *p; - p = reserve_space(xdr, 8 + name->len); - *p++ = cpu_to_be32(OP_REMOVE); - xdr_encode_opaque(p, name->name, name->len); + p = reserve_space(xdr, 4); + *p = cpu_to_be32(OP_REMOVE); + encode_string(xdr, name->len, name->name); hdr->nops++; hdr->replen += decode_remove_maxsz; } @@ -1776,12 +1773,11 @@ static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *state static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) { - int len = name->len; __be32 *p; - p = reserve_space(xdr, 8 + len); - *p++ = cpu_to_be32(OP_SECINFO); - xdr_encode_opaque(p, name->name, len); + p = reserve_space(xdr, 4); + *p = cpu_to_be32(OP_SECINFO); + encode_string(xdr, name->len, name->name); hdr->nops++; hdr->replen += decode_secinfo_maxsz; } -- 2.30.2