On Tue, Oct 15, 2013 at 01:16:48PM -0700, Eric W. Biederman wrote:
> int vfs_rmdir(struct inode *dir, struct dentry *dentry)
> {
> int error = may_delete(dir, dentry, 1);
> @@ -3622,6 +3636,9 @@ retry:
> error = -ENOENT;
> goto exit3;
> }
> + error = -EBUSY;
> + if (covered(nd.path.mnt, dentry))
> + goto exit3;
Ugh... And it's not racy because of...? IOW, what's to keep the return
value of covered() from getting obsolete just as it's being calculated,
let alone returned?
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