1 commit f0d902f497ee2fb747086322a31925c7fb351d7a
2 Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
3 Date: Sat Sep 1 17:47:36 2012 -0700
5 mm: export generic_pipe_buf_*() to modules (backport)
7 Backport for 2.6.32.x to 2.6.34.x of commits:
9 commit 51921cb746f56983db5a373ca68deb2b0d3ddf01
10 Author: Miklos Szeredi <mszeredi@suse.cz>
11 Date: Wed May 26 08:44:22 2010 +0200
13 mm: export generic_pipe_buf_*() to modules
15 This is needed by fuse device code which wants to create pipe buffers.
16 Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
18 Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
20 diff --git a/fs/pipe.c b/fs/pipe.c
21 index d0cc080..0eb6f53 100644
24 @@ -222,6 +222,7 @@ void *generic_pipe_buf_map(struct pipe_inode_info *pipe,
26 return kmap(buf->page);
28 +EXPORT_SYMBOL(generic_pipe_buf_map);
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,
36 +EXPORT_SYMBOL(generic_pipe_buf_unmap);
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,
44 +EXPORT_SYMBOL(generic_pipe_buf_steal);
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)
50 page_cache_get(buf->page);
52 +EXPORT_SYMBOL(generic_pipe_buf_get);
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,
60 +EXPORT_SYMBOL(generic_pipe_buf_confirm);
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,
66 page_cache_release(buf->page);
68 +EXPORT_SYMBOL(generic_pipe_buf_release);
70 static const struct pipe_buf_operations anon_pipe_buf_ops = {