Merge branch 'master' into gfs2

[pandora-kernel.git] / fs / nfs / read.c

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index f0aff82..c2e49c3 100644 (file)
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -171,7 +171,7 @@ static int nfs_readpage_sync(struct nfs_open_context *ctx, struct inode *inode,
                rdata->args.offset = page_offset(page) + rdata->args.pgbase;
 
                dprintk("NFS: nfs_proc_read(%s, (%s/%Ld), %Lu, %u)\n",
-                       NFS_SERVER(inode)->hostname,
+                       NFS_SERVER(inode)->nfs_client->cl_hostname,
                        inode->i_sb->s_id,
                        (long long)NFS_FILEID(inode),
                        (unsigned long long)rdata->args.pgbase,
@@ -568,8 +568,13 @@ int nfs_readpage_result(struct rpc_task *task, struct nfs_read_data *data)
 
        nfs_add_stats(data->inode, NFSIOS_SERVERREADBYTES, resp->count);
 
-       /* Is this a short read? */
-       if (task->tk_status >= 0 && resp->count < argp->count && !resp->eof) {
+       if (task->tk_status < 0) {
+               if (task->tk_status == -ESTALE) {
+                       set_bit(NFS_INO_STALE, &NFS_FLAGS(data->inode));
+                       nfs_mark_for_revalidate(data->inode);
+               }
+       } else if (resp->count < argp->count && !resp->eof) {
+               /* This is a short read! */
                nfs_inc_stats(data->inode, NFSIOS_SHORTREAD);
                /* Has the server at least made some progress? */
                if (resp->count != 0) {
@@ -616,6 +621,10 @@ int nfs_readpage(struct file *file, struct page *page)
        if (error)
                goto out_error;
 
+       error = -ESTALE;
+       if (NFS_STALE(inode))
+               goto out_error;
+
        if (file == NULL) {
                ctx = nfs_find_open_context(inode, NULL, FMODE_READ);
                if (ctx == NULL)
@@ -678,7 +687,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping,
        };
        struct inode *inode = mapping->host;
        struct nfs_server *server = NFS_SERVER(inode);
-       int ret;
+       int ret = -ESTALE;
 
        dprintk("NFS: nfs_readpages (%s/%Ld %d)\n",
                        inode->i_sb->s_id,
@@ -686,6 +695,9 @@ int nfs_readpages(struct file *filp, struct address_space *mapping,
                        nr_pages);
        nfs_inc_stats(inode, NFSIOS_VFSREADPAGES);
 
+       if (NFS_STALE(inode))
+               goto out;
+
        if (filp == NULL) {
                desc.ctx = nfs_find_open_context(inode, NULL, FMODE_READ);
                if (desc.ctx == NULL)
@@ -701,6 +713,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping,
                        ret = err;
        }
        put_nfs_open_context(desc.ctx);
+out:
        return ret;
 }
 
@@ -724,6 +737,5 @@ int __init nfs_init_readpagecache(void)
 void nfs_destroy_readpagecache(void)
 {
        mempool_destroy(nfs_rdata_mempool);
-       if (kmem_cache_destroy(nfs_rdata_cachep))
-               printk(KERN_INFO "nfs_read_data: not all structures were freed\n");
+       kmem_cache_destroy(nfs_rdata_cachep);
 }