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Rev 2687 Rev 2688
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    /*
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    /*
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     * Avoid the race condition in which the file can be deleted before we
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     * Avoid the race condition in which the file can be deleted before we
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     * find/create-and-lock the VFS node corresponding to the looked-up
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     * find/create-and-lock the VFS node corresponding to the looked-up
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     * triplet.
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     * triplet.
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     */
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     */
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    rwlock_reader_lock(&namespace_rwlock);
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    rwlock_read_lock(&namespace_rwlock);
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    /*
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    /*
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     * The path is now populated and we can call vfs_lookup_internal().
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     * The path is now populated and we can call vfs_lookup_internal().
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     */
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     */
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    vfs_triplet_t triplet;
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    vfs_triplet_t triplet;
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    size_t size;
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    size_t size;
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    rc = vfs_lookup_internal(path, len, &triplet, &size, NULL);
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    rc = vfs_lookup_internal(path, len, &triplet, &size, NULL);
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    if (rc) {
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    if (rc) {
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        rwlock_reader_unlock(&namespace_rwlock);
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        rwlock_read_unlock(&namespace_rwlock);
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        ipc_answer_0(rid, rc);
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        ipc_answer_0(rid, rc);
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        free(path);
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        free(path);
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        return;
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        return;
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    }
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    }
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     * Path is no longer needed.
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     * Path is no longer needed.
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     */
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     */
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    free(path);
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    free(path);
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    vfs_node_t *node = vfs_node_get(&triplet, size);
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    vfs_node_t *node = vfs_node_get(&triplet, size);
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    rwlock_reader_unlock(&namespace_rwlock);
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    rwlock_read_unlock(&namespace_rwlock);
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    /*
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    /*
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     * Get ourselves a file descriptor and the corresponding vfs_file_t
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     * Get ourselves a file descriptor and the corresponding vfs_file_t
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     * structure.
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     * structure.
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     */
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     */