Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[deliverable/linux.git] / fs / ceph / addr.c

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 561438b6a50cd3789b90d54e473562431d528ec8..38b8ab554924cd2d4a9ddf11ce3a79efe3d411cd 100644 (file)
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -24,7 +24,7 @@
  * context needs to be associated with the osd write during writeback.
  *
  * Similarly, struct ceph_inode_info maintains a set of counters to
- * count dirty pages on the inode.  In the absense of snapshots,
+ * count dirty pages on the inode.  In the absence of snapshots,
  * i_wrbuffer_ref == i_wrbuffer_ref_head == the dirty page count.
  *
  * When a snapshot is taken (that is, when the client receives
@@ -92,7 +92,7 @@ static int ceph_set_page_dirty(struct page *page)
                ci->i_head_snapc = ceph_get_snap_context(snapc);
        ++ci->i_wrbuffer_ref_head;
        if (ci->i_wrbuffer_ref == 0)
-               igrab(inode);
+               ihold(inode);
        ++ci->i_wrbuffer_ref;
        dout("%p set_page_dirty %p idx %lu head %d/%d -> %d/%d "
             "snapc %p seq %lld (%d snaps)\n",
@@ -775,6 +775,13 @@ get_more_pages:
                                            ci->i_truncate_seq,
                                            ci->i_truncate_size,
                                            &inode->i_mtime, true, 1, 0);
+
+                               if (!req) {
+                                       rc = -ENOMEM;
+                                       unlock_page(page);
+                                       break;
+                               }
+
                                max_pages = req->r_num_pages;
 
                                alloc_page_vec(fsc, req);