diff options
| -rw-r--r-- | fs/nfs/nfs3xdr.c | 4 | ||||
| -rw-r--r-- | include/linux/sunrpc/xdr.h | 1 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/gss_rpc_xdr.c | 1 | ||||
| -rw-r--r-- | net/sunrpc/socklib.c | 2 |
4 files changed, 6 insertions, 2 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 64e4fa33d89f..d8c4c10b15f7 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -1364,10 +1364,12 @@ static void nfs3_xdr_enc_getacl3args(struct rpc_rqst *req, encode_nfs_fh3(xdr, args->fh); encode_uint32(xdr, args->mask); - if (args->mask & (NFS_ACL | NFS_DFACL)) + if (args->mask & (NFS_ACL | NFS_DFACL)) { prepare_reply_buffer(req, args->pages, 0, NFSACL_MAXPAGES << PAGE_SHIFT, ACL3_getaclres_sz); + req->rq_rcv_buf.flags |= XDRBUF_SPARSE_PAGES; + } } static void nfs3_xdr_enc_setacl3args(struct rpc_rqst *req, diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index 2bd68177a442..431829233392 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -58,6 +58,7 @@ struct xdr_buf { flags; /* Flags for data disposition */ #define XDRBUF_READ 0x01 /* target of file read */ #define XDRBUF_WRITE 0x02 /* source of file write */ +#define XDRBUF_SPARSE_PAGES 0x04 /* Page array is sparse */ unsigned int buflen, /* Total length of storage buffer */ len; /* Length of XDR encoded message */ diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c index 444380f968f1..006062ad5f58 100644 --- a/net/sunrpc/auth_gss/gss_rpc_xdr.c +++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c @@ -784,6 +784,7 @@ void gssx_enc_accept_sec_context(struct rpc_rqst *req, xdr_inline_pages(&req->rq_rcv_buf, PAGE_SIZE/2 /* pretty arbitrary */, arg->pages, 0 /* page base */, arg->npages * PAGE_SIZE); + req->rq_rcv_buf.flags |= XDRBUF_SPARSE_PAGES; done: if (err) dprintk("RPC: gssx_enc_accept_sec_context: %d\n", err); diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c index f217c348b341..08f00a98151f 100644 --- a/net/sunrpc/socklib.c +++ b/net/sunrpc/socklib.c @@ -104,7 +104,7 @@ ssize_t xdr_partial_copy_from_skb(struct xdr_buf *xdr, unsigned int base, struct /* ACL likes to be lazy in allocating pages - ACLs * are small by default but can get huge. */ - if (unlikely(*ppage == NULL)) { + if ((xdr->flags & XDRBUF_SPARSE_PAGES) && *ppage == NULL) { *ppage = alloc_page(GFP_ATOMIC); if (unlikely(*ppage == NULL)) { if (copied == 0) |