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authorMiklos Szeredi <mszeredi@suse.cz>2010-05-26 10:44:22 +0400
committerMiklos Szeredi <mszeredi@suse.cz>2010-05-26 10:44:22 +0400
commit51921cb746f56983db5a373ca68deb2b0d3ddf01 (patch)
tree7ccd1100f18d9a17fd3feafc6346d5e5c58203b9 /fs/pipe.c
parentc3021629a0d820247ee12b6c5192a1d5380e21c6 (diff)
downloadlinux-51921cb746f56983db5a373ca68deb2b0d3ddf01.tar.xz
mm: export generic_pipe_buf_*() to modules
This is needed by fuse device code which wants to create pipe buffers. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/pipe.c')
-rw-r--r--fs/pipe.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index d79872eba09a..8912fa8f1666 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -230,6 +230,7 @@ void *generic_pipe_buf_map(struct pipe_inode_info *pipe,
return kmap(buf->page);
}
+EXPORT_SYMBOL(generic_pipe_buf_map);
/**
* generic_pipe_buf_unmap - unmap a previously mapped pipe buffer
@@ -249,6 +250,7 @@ void generic_pipe_buf_unmap(struct pipe_inode_info *pipe,
} else
kunmap(buf->page);
}
+EXPORT_SYMBOL(generic_pipe_buf_unmap);
/**
* generic_pipe_buf_steal - attempt to take ownership of a &pipe_buffer
@@ -279,6 +281,7 @@ int generic_pipe_buf_steal(struct pipe_inode_info *pipe,
return 1;
}
+EXPORT_SYMBOL(generic_pipe_buf_steal);
/**
* generic_pipe_buf_get - get a reference to a &struct pipe_buffer
@@ -294,6 +297,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
{
page_cache_get(buf->page);
}
+EXPORT_SYMBOL(generic_pipe_buf_get);
/**
* generic_pipe_buf_confirm - verify contents of the pipe buffer
@@ -309,6 +313,7 @@ int generic_pipe_buf_confirm(struct pipe_inode_info *info,
{
return 0;
}
+EXPORT_SYMBOL(generic_pipe_buf_confirm);
/**
* generic_pipe_buf_release - put a reference to a &struct pipe_buffer
@@ -323,6 +328,7 @@ void generic_pipe_buf_release(struct pipe_inode_info *pipe,
{
page_cache_release(buf->page);
}
+EXPORT_SYMBOL(generic_pipe_buf_release);
static const struct pipe_buf_operations anon_pipe_buf_ops = {
.can_merge = 1,