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

[powerpc.git] / fs / ext2 / inode.c

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index fdba4d1..a717837 100644 (file)
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -440,6 +440,10 @@ static int ext2_alloc_branch(struct inode *inode,
                 * the pointer to new one, then send parent to disk.
                 */
                bh = sb_getblk(inode->i_sb, parent);
+               if (!bh) {
+                       err = -EIO;
+                       break;
+               }
                lock_buffer(bh);
                memset(bh->b_data, 0, blocksize);
                branch[n].bh = bh;
@@ -702,6 +706,7 @@ struct address_space_operations ext2_aops = {
        .bmap                   = ext2_bmap,
        .direct_IO              = ext2_direct_IO,
        .writepages             = ext2_writepages,
+       .migratepage            = buffer_migrate_page,
 };
 
 struct address_space_operations ext2_aops_xip = {
@@ -719,6 +724,7 @@ struct address_space_operations ext2_nobh_aops = {
        .bmap                   = ext2_bmap,
        .direct_IO              = ext2_direct_IO,
        .writepages             = ext2_writepages,
+       .migratepage            = buffer_migrate_page,
 };
 
 /*