NFS: Assume eof if the server returns no readdir records

Some servers are known to be buggy w.r.t. this. Deal with them...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 662df2a5fad5d06fac235314220e7270fe9eef02..2789cb3fc425f01220cc6670cef0addc77433aa8 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -466,8 +466,9 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
        struct xdr_stream stream;
        struct xdr_buf buf;
        __be32 *ptr = xdr_page;
-       int status;
        struct nfs_cache_array *array;
+       unsigned int count = 0;
+       int status;
 
        buf.head->iov_base = xdr_page;
        buf.head->iov_len = buflen;
@@ -488,6 +489,8 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
                        break;
                }
 
+               count++;
+
                if (desc->plus == 1)
                        nfs_prime_dcache(desc->file->f_path.dentry, entry);
 
@@ -496,13 +499,14 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
                        break;
        } while (!entry->eof);
 
-       if (status == -EBADCOOKIE && entry->eof) {
+       if (count == 0 || (status == -EBADCOOKIE && entry->eof == 1)) {
                array = nfs_readdir_get_array(page);
                if (!IS_ERR(array)) {
                        array->eof_index = array->size;
                        status = 0;
                        nfs_readdir_release_array(page);
-               }
+               } else
+                       status = PTR_ERR(array);
        }
        return status;
 }