5.10-stable review patch. If anyone has any objections, please let me know.
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From: Chuck Lever chuck.lever@oracle.com
[ Upstream commit 224c1c894e48cd72e4dd9fb6311be80cbe1369b0 ]
The NFSv3 READLINK request takes a single filehandle, so it can re-use GETATTR's decoder.
Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfsd/nfs3proc.c | 9 +++++---- fs/nfsd/nfs3xdr.c | 13 ------------- fs/nfsd/xdr3.h | 6 ------ 3 files changed, 5 insertions(+), 23 deletions(-)
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c index 2e477cd870913..71db0ed3c49ed 100644 --- a/fs/nfsd/nfs3proc.c +++ b/fs/nfsd/nfs3proc.c @@ -124,15 +124,16 @@ nfsd3_proc_access(struct svc_rqst *rqstp) static __be32 nfsd3_proc_readlink(struct svc_rqst *rqstp) { - struct nfsd3_readlinkargs *argp = rqstp->rq_argp; + struct nfsd_fhandle *argp = rqstp->rq_argp; struct nfsd3_readlinkres *resp = rqstp->rq_resp; + char *buffer = page_address(*(rqstp->rq_next_page++));
dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh));
/* Read the symlink. */ fh_copy(&resp->fh, &argp->fh); resp->len = NFS3_MAXPATHLEN; - resp->status = nfsd_readlink(rqstp, &resp->fh, argp->buffer, &resp->len); + resp->status = nfsd_readlink(rqstp, &resp->fh, buffer, &resp->len); return rpc_success; }
@@ -773,10 +774,10 @@ static const struct svc_procedure nfsd_procedures3[22] = { }, [NFS3PROC_READLINK] = { .pc_func = nfsd3_proc_readlink, - .pc_decode = nfs3svc_decode_readlinkargs, + .pc_decode = nfs3svc_decode_fhandleargs, .pc_encode = nfs3svc_encode_readlinkres, .pc_release = nfs3svc_release_fhandle, - .pc_argsize = sizeof(struct nfsd3_readlinkargs), + .pc_argsize = sizeof(struct nfsd_fhandle), .pc_ressize = sizeof(struct nfsd3_readlinkres), .pc_cachetype = RC_NOCACHE, .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4, diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index c06467e8ac829..6b6a839c1fc8c 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -543,19 +543,6 @@ nfs3svc_decode_renameargs(struct svc_rqst *rqstp, __be32 *p) return xdr_argsize_check(rqstp, p); }
-int -nfs3svc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p) -{ - struct nfsd3_readlinkargs *args = rqstp->rq_argp; - - p = decode_fh(p, &args->fh); - if (!p) - return 0; - args->buffer = page_address(*(rqstp->rq_next_page++)); - - return xdr_argsize_check(rqstp, p); -} - int nfs3svc_decode_linkargs(struct svc_rqst *rqstp, __be32 *p) { diff --git a/fs/nfsd/xdr3.h b/fs/nfsd/xdr3.h index 7dfeeaa4e1dfc..08f909142ddf7 100644 --- a/fs/nfsd/xdr3.h +++ b/fs/nfsd/xdr3.h @@ -70,11 +70,6 @@ struct nfsd3_renameargs { unsigned int tlen; };
-struct nfsd3_readlinkargs { - struct svc_fh fh; - char * buffer; -}; - struct nfsd3_linkargs { struct svc_fh ffh; struct svc_fh tfh; @@ -282,7 +277,6 @@ int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *); int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *); int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *); int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *); -int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *); int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *); int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *); int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *);