linux-patches/backport-splice-sym-2.6.32-34.patch

   1 commit f0d902f497ee2fb747086322a31925c7fb351d7a
   2 Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   3 Date:   Sat Sep 1 17:47:36 2012 -0700
   4
   5     mm: export generic_pipe_buf_*() to modules (backport)
   6
   7     Backport for 2.6.32.x to 2.6.34.x of commits:
   8
   9     commit 51921cb746f56983db5a373ca68deb2b0d3ddf01
  10     Author: Miklos Szeredi <mszeredi@suse.cz>
  11     Date:   Wed May 26 08:44:22 2010 +0200
  12
  13         mm: export generic_pipe_buf_*() to modules
  14
  15         This is needed by fuse device code which wants to create pipe buffers.
  16         Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
  17
  18     Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  19
  20 diff --git a/fs/pipe.c b/fs/pipe.c
  21 index d0cc080..0eb6f53 100644
  22 --- a/fs/pipe.c
  23 +++ b/fs/pipe.c
  24 @@ -222,6 +222,7 @@ void *generic_pipe_buf_map(struct pipe_inode_info *pipe,
  25
  26         return kmap(buf->page);
  27  }
  28 +EXPORT_SYMBOL(generic_pipe_buf_map);
  29
  30  /**
  31   * generic_pipe_buf_unmap - unmap a previously mapped pipe buffer
  32 @@ -241,6 +242,7 @@ void generic_pipe_buf_unmap(struct pipe_inode_info *pipe,
  33         } else
  34                 kunmap(buf->page);
  35  }
  36 +EXPORT_SYMBOL(generic_pipe_buf_unmap);
  37
  38  /**
  39   * generic_pipe_buf_steal - attempt to take ownership of a &pipe_buffer
  40 @@ -271,6 +273,7 @@ int generic_pipe_buf_steal(struct pipe_inode_info *pipe,
  41
  42         return 1;
  43  }
  44 +EXPORT_SYMBOL(generic_pipe_buf_steal);
  45
  46  /**
  47   * generic_pipe_buf_get - get a reference to a &struct pipe_buffer
  48 @@ -286,6 +289,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
  49  {
  50         page_cache_get(buf->page);
  51  }
  52 +EXPORT_SYMBOL(generic_pipe_buf_get);
  53
  54  /**
  55   * generic_pipe_buf_confirm - verify contents of the pipe buffer
  56 @@ -301,6 +305,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *info,
  57  {
  58         return 0;
  59  }
  60 +EXPORT_SYMBOL(generic_pipe_buf_confirm);
  61
  62  /**
  63   * generic_pipe_buf_release - put a reference to a &struct pipe_buffer
  64 @@ -315,6 +320,7 @@ void generic_pipe_buf_release(struct pipe_inode_info *pipe,
  65  {
  66         page_cache_release(buf->page);
  67  }
  68 +EXPORT_SYMBOL(generic_pipe_buf_release);
  69
  70  static const struct pipe_buf_operations anon_pipe_buf_ops = {
  71         .can_merge = 1,