Merge branch 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* 'hotfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  nfs: don't ignore return value from nfs_pageio_add_request

2 files changed, 11 insertions, 2 deletions

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 3d7d9631e125..5a70be589bbe 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -533,7 +533,10 @@ readpage_async_filler(void *data, struct page *page)
 
         if (len < PAGE_CACHE_SIZE)
                 zero_user_segment(page, len, PAGE_CACHE_SIZE);
-        nfs_pageio_add_request(desc->pgio, new);
+        if (!nfs_pageio_add_request(desc->pgio, new)) {
+                error = desc->pgio->pg_error;
+                goto out_unlock;
+        }
         return 0;
 out_error:
         error = PTR_ERR(new);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 80c61fdb2720..bed63416a55b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -39,6 +39,7 @@ static struct nfs_page * nfs_update_request(struct nfs_open_context*,
                                             unsigned int, unsigned int);
 static void nfs_pageio_init_write(struct nfs_pageio_descriptor *desc,
                                   struct inode *inode, int ioflags);
+static void nfs_redirty_request(struct nfs_page *req);
 static const struct rpc_call_ops nfs_write_partial_ops;
 static const struct rpc_call_ops nfs_write_full_ops;
 static const struct rpc_call_ops nfs_commit_ops;
@@ -288,7 +289,12 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
                 BUG();
         }
         spin_unlock(&inode->i_lock);
-        nfs_pageio_add_request(pgio, req);
+        if (!nfs_pageio_add_request(pgio, req)) {
+                nfs_redirty_request(req);
+                nfs_end_page_writeback(page);
+                nfs_clear_page_tag_locked(req);
+                return pgio->pg_error;
+        }
         return 0;
 }