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 81288bc2bcbb3554b5720d407e8b732dc06f666d..43d79da5c57e48b5a6694ae27afb3fe84823135e 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 *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);
 
-       /* Grab pipe from the writer */
-       f->f_path = 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_op = &read_pipefifo_fops;
-       f->f_mode = FMODE_READ;
-       f->f_version = 0;
 
        return f;
 }