switch create_read_pipe() to alloc_file()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/pipe.c b/fs/pipe.c
index 81288bc..43d79da 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1029,20 +1029,14 @@ void free_write_pipe(struct file *f)
 
 struct file *create_read_pipe(struct file *wrf, int flags)
 {
 
 struct file *create_read_pipe(struct file *wrf, int flags)
 {

-       struct file *f = get_empty_filp();
+       /* Grab pipe from the writer */
+       struct file *f = alloc_file(&wrf->f_path, FMODE_READ,
+                                   &read_pipefifo_fops);

        if (!f)
                return ERR_PTR(-ENFILE);
 
        if (!f)
                return ERR_PTR(-ENFILE);
 

-       /* Grab pipe from the writer */
-       f->f_path = wrf->f_path;

        path_get(&wrf->f_path);
        path_get(&wrf->f_path);

-       f->f_mapping = wrf->f_path.dentry->d_inode->i_mapping;
-
-       f->f_pos = 0;

        f->f_flags = O_RDONLY | (flags & O_NONBLOCK);
        f->f_flags = O_RDONLY | (flags & O_NONBLOCK);

-       f->f_op = &read_pipefifo_fops;
-       f->f_mode = FMODE_READ;
-       f->f_version = 0;

 
        return f;
 }
 
        return f;
 }