diff options
Diffstat (limited to 'fs/nfs/nfs3xdr.c')
| -rw-r--r-- | fs/nfs/nfs3xdr.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 69971f6c840d..ca10072644ff 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -33,6 +33,7 @@ * Declare the space requirements for NFS arguments and replies as * number of 32bit-words */ +#define NFS3_pagepad_sz (1) /* Page padding */ #define NFS3_fhandle_sz (1+16) #define NFS3_fh_sz (NFS3_fhandle_sz) /* shorthand */ #define NFS3_sattr_sz (15) @@ -69,13 +70,13 @@ #define NFS3_removeres_sz (NFS3_setattrres_sz) #define NFS3_lookupres_sz (1+NFS3_fh_sz+(2 * NFS3_post_op_attr_sz)) #define NFS3_accessres_sz (1+NFS3_post_op_attr_sz+1) -#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1+1) -#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3+1) +#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1+NFS3_pagepad_sz) +#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3+NFS3_pagepad_sz) #define NFS3_writeres_sz (1+NFS3_wcc_data_sz+4) #define NFS3_createres_sz (1+NFS3_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz) #define NFS3_renameres_sz (1+(2 * NFS3_wcc_data_sz)) #define NFS3_linkres_sz (1+NFS3_post_op_attr_sz+NFS3_wcc_data_sz) -#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2+1) +#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2+NFS3_pagepad_sz) #define NFS3_fsstatres_sz (1+NFS3_post_op_attr_sz+13) #define NFS3_fsinfores_sz (1+NFS3_post_op_attr_sz+12) #define NFS3_pathconfres_sz (1+NFS3_post_op_attr_sz+6) @@ -85,7 +86,8 @@ #define ACL3_setaclargs_sz (NFS3_fh_sz+1+ \ XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE)) #define ACL3_getaclres_sz (1+NFS3_post_op_attr_sz+1+ \ - XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE)+1) + XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE)+\ + NFS3_pagepad_sz) #define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz) static int nfs3_stat_to_errno(enum nfs_stat); @@ -909,8 +911,8 @@ static void nfs3_xdr_enc_readlink3args(struct rpc_rqst *req, const struct nfs3_readlinkargs *args = data; encode_nfs_fh3(xdr, args->fh); - rpc_prepare_reply_pages(req, args->pages, args->pgbase, - args->pglen, NFS3_readlinkres_sz); + rpc_prepare_reply_pages(req, args->pages, args->pgbase, args->pglen, + NFS3_readlinkres_sz - NFS3_pagepad_sz); } /* @@ -939,7 +941,8 @@ static void nfs3_xdr_enc_read3args(struct rpc_rqst *req, const void *data) { const struct nfs_pgio_args *args = data; - unsigned int replen = args->replen ? args->replen : NFS3_readres_sz; + unsigned int replen = args->replen ? args->replen : + NFS3_readres_sz - NFS3_pagepad_sz; encode_read3args(xdr, args); rpc_prepare_reply_pages(req, args->pages, args->pgbase, @@ -1239,8 +1242,8 @@ static void nfs3_xdr_enc_readdir3args(struct rpc_rqst *req, const struct nfs3_readdirargs *args = data; encode_readdir3args(xdr, args); - rpc_prepare_reply_pages(req, args->pages, 0, - args->count, NFS3_readdirres_sz); + rpc_prepare_reply_pages(req, args->pages, 0, args->count, + NFS3_readdirres_sz - NFS3_pagepad_sz); } /* @@ -1281,8 +1284,8 @@ static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req, const struct nfs3_readdirargs *args = data; encode_readdirplus3args(xdr, args); - rpc_prepare_reply_pages(req, args->pages, 0, - args->count, NFS3_readdirres_sz); + rpc_prepare_reply_pages(req, args->pages, 0, args->count, + NFS3_readdirres_sz - NFS3_pagepad_sz); } /* @@ -1328,7 +1331,7 @@ static void nfs3_xdr_enc_getacl3args(struct rpc_rqst *req, if (args->mask & (NFS_ACL | NFS_DFACL)) { rpc_prepare_reply_pages(req, args->pages, 0, NFSACL_MAXPAGES << PAGE_SHIFT, - ACL3_getaclres_sz); + ACL3_getaclres_sz - NFS3_pagepad_sz); req->rq_rcv_buf.flags |= XDRBUF_SPARSE_PAGES; } } @@ -1648,7 +1651,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr, result->op_status = status; if (status != NFS3_OK) goto out_status; - result->replen = 4 + ((xdr_stream_pos(xdr) - pos) >> 2); + result->replen = 3 + ((xdr_stream_pos(xdr) - pos) >> 2); error = decode_read3resok(xdr, result); out: return error; |