From 60b866420ba7ae0b6a8d338f49be21c601d19064 Mon Sep 17 00:00:00 2001 From: Amir Goldstein Date: Wed, 10 Jan 2018 23:15:21 +0200 Subject: ovl: update documentation of inodes index feature Document that inode index feature solves breaking hard links on copy up. Simplify Kconfig backward compatibility disclaimer. Signed-off-by: Amir Goldstein Signed-off-by: Miklos Szeredi --- Documentation/filesystems/overlayfs.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Documentation/filesystems/overlayfs.txt') diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt index e6a5f4912b6d..213547cb6d36 100644 --- a/Documentation/filesystems/overlayfs.txt +++ b/Documentation/filesystems/overlayfs.txt @@ -281,9 +281,9 @@ filesystem, so both st_dev and st_ino of the file may change. Any open files referring to this inode will access the old data. -If a file with multiple hard links is copied up, then this will -"break" the link. Changes will not be propagated to other names -referring to the same inode. +Unless "inode index" feature is enabled, if a file with multiple hard +links is copied up, then this will "break" the link. Changes will not be +propagated to other names referring to the same inode. Unless "redirect_dir" feature is enabled, rename(2) on a lower or merged directory will fail with EXDEV. -- cgit v1.2.3