Unionfs: use generic_file_aio_read/write

There's no apparent need to define our own aio_read/write methods.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/fs/unionfs/file.c b/fs/unionfs/file.c
index 3b9c9c33f1d23d1ed842ae94048859d31126bd09..c6e9e94e3be6bf40f33913e54b2797ccb45959e5 100644 (file)
--- a/fs/unionfs/file.c
+++ b/fs/unionfs/file.c
@@ -37,29 +37,6 @@ out:
        return err;
 }
 
-static ssize_t unionfs_aio_read(struct kiocb *iocb, char __user *iov,
-                               size_t nr_segs, loff_t pos)
-{
-       int err = 0;
-       struct file *file = iocb->ki_filp;
-
-       unionfs_read_lock(file->f_dentry->d_sb);
-       err = unionfs_file_revalidate(file, false);
-       if (unlikely(err))
-               goto out;
-       unionfs_check_file(file);
-
-       err = generic_file_aio_read(iocb, iov, nr_segs, pos);
-
-       if (err == -EIOCBQUEUED)
-               err = wait_on_sync_kiocb(iocb);
-
-out:
-       unionfs_check_file(file);
-       unionfs_read_unlock(file->f_dentry->d_sb);
-       return err;
-}
-
 static ssize_t unionfs_write(struct file *file, const char __user *buf,
                             size_t count, loff_t *ppos)
 {
@@ -234,9 +211,9 @@ out:
 struct file_operations unionfs_main_fops = {
        .llseek         = generic_file_llseek,
        .read           = unionfs_read,
-       .aio_read       = unionfs_aio_read,
+       .aio_read       = generic_file_aio_read,
        .write          = unionfs_write,
-       .aio_write      = generic_file_aio_write,
+       .aio_write      = generic_file_aio_write,
        .readdir        = unionfs_file_readdir,
        .ioctl          = unionfs_ioctl,
        .mmap           = unionfs_mmap,