From b7a4df9031c59d496de1f9ffe6c89bc4ff72fb4c Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Fri, 13 Aug 2021 12:29:28 +0500
Subject: [PATCH] vfs: list IO functions which can be used with VFS_SUPPORT_IO
 disabled

---
 components/vfs/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/components/vfs/Kconfig b/components/vfs/Kconfig
index db0fede600..6b914d8ba3 100644
--- a/components/vfs/Kconfig
+++ b/components/vfs/Kconfig
@@ -14,6 +14,11 @@ menu "Virtual file system"
             Disabling this option can save memory when the support for these functions
             is not required.
 
+            Note that the following functions can still be used with socket file descriptors
+            when this option is disabled:
+
+            close, read, write, ioctl, fcntl.
+
     config VFS_SUPPORT_DIR
         bool "Provide directory related functions"
         default y