Ian Kent <[email protected]> wrote:
>
> @@ -337,10 +340,34 @@ static void *autofs4_follow_link(struct
> if (oz_mode || !lookup_type)
> goto done;
>
> + /*
> + * If the dentry contains directories then it is an
> + * autofs multi-mount with no root offset. So don't
> + * try to mount it again.
> + */
> + spin_lock(&dcache_lock);
> + if (!list_empty(&dentry->d_subdirs)) {
> + spin_unlock(&dcache_lock);
> + goto done;
> + }
> + spin_unlock(&dcache_lock);
> +
Can list_empty(&dentry->d_subdirs) become false right here, after the lock
was dropped? If so, what happens?
> status = try_to_fill_dentry(dentry, 0);
-
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