lustre/kernel_patches/patches/removepage-vanilla-2.6.5.patch

   1  include/linux/fs.h |    1 +
   2  mm/filemap.c       |    3 +++
   3  2 files changed, 4 insertions(+)
   4
   5 Index: linux-2.6.4-30.1/include/linux/fs.h
   6 ===================================================================
   7 --- linux-2.6.4-30.1.orig/include/linux/fs.h    2004-04-02 03:20:19.000000000 -0500
   8 +++ linux-2.6.4-30.1/include/linux/fs.h 2004-04-02 03:20:19.000000000 -0500
   9 @@ -320,6 +320,7 @@
  10         int (*releasepage) (struct page *, int);
  11         int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
  12                         loff_t offset, unsigned long nr_segs);
  13 +       void (*removepage)(struct page *); /* called when page gets removed from the inode */
  14  };
  15
  16  struct backing_dev_info;
  17 Index: linux-2.6.4-30.1/mm/filemap.c
  18 ===================================================================
  19 --- linux-2.6.4-30.1.orig/mm/filemap.c  2004-04-02 03:19:42.000000000 -0500
  20 +++ linux-2.6.4-30.1/mm/filemap.c       2004-04-02 03:23:10.000000000 -0500
  21 @@ -102,6 +102,9 @@
  22  {
  23         struct address_space *mapping = page->mapping;
  24
  25 +       if (mapping->a_ops->removepage)
  26 +               mapping->a_ops->removepage(page);
  27 +
  28         radix_tree_delete(&mapping->page_tree, page->index);
  29         list_del(&page->list);
  30         page->mapping = NULL;
  31