1 files changed, 20 insertions, 5 deletions

diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
index b47277baebab..f50d3e8d6f22 100644
--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -454,7 +454,10 @@ int objio_read_pagelist(struct nfs_read_data *rdata)
         objios->ios->done = _read_done;
         dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
                 rdata->args.offset, rdata->args.count);
-        return ore_read(objios->ios);
+        ret = ore_read(objios->ios);
+        if (unlikely(ret))
+                objio_free_result(&objios->oir);
+        return ret;
 }
 
 /*
@@ -486,8 +489,16 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
         struct nfs_write_data *wdata = objios->oir.rpcdata;
         struct address_space *mapping = wdata->header->inode->i_mapping;
         pgoff_t index = offset / PAGE_SIZE;
-        struct page *page = find_get_page(mapping, index);
+        struct page *page;
+        loff_t i_size = i_size_read(wdata->header->inode);
+
+        if (offset >= i_size) {
+                *uptodate = true;
+                dprintk("%s: g_zero_page index=0x%lx\n", __func__, index);
+                return ZERO_PAGE(0);
+        }
 
+        page = find_get_page(mapping, index);
         if (!page) {
                 page = find_or_create_page(mapping, index, GFP_NOFS);
                 if (unlikely(!page)) {
@@ -507,8 +518,10 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
 
 static void __r4w_put_page(void *priv, struct page *page)
 {
-        dprintk("%s: index=0x%lx\n", __func__, page->index);
-        page_cache_release(page);
+        dprintk("%s: index=0x%lx\n", __func__,
+                (page == ZERO_PAGE(0)) ? -1UL : page->index);
+        if (ZERO_PAGE(0) != page)
+                page_cache_release(page);
         return;
 }
 
@@ -539,8 +552,10 @@ int objio_write_pagelist(struct nfs_write_data *wdata, int how)
         dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
                 wdata->args.offset, wdata->args.count);
         ret = ore_write(objios->ios);
-        if (unlikely(ret))
+        if (unlikely(ret)) {
+                objio_free_result(&objios->oir);
                 return ret;
+        }
 
         if (objios->sync)
                 _write_done(objios->ios, objios);