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| author | Amir Goldstein <amir73il@gmail.com> | 2018-01-10 22:15:21 +0100 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 10:20:02 +0100 |
| commit | 60b866420ba7ae0b6a8d338f49be21c601d19064 (patch) | |
| tree | eacffe3aa31d206868938bc2d92149dcb738e125 /Documentation/filesystems/overlayfs.txt | |
| parent | ovl: generalize ovl_verify_origin() and helpers (diff) | |
| download | linux-60b866420ba7ae0b6a8d338f49be21c601d19064.tar.xz linux-60b866420ba7ae0b6a8d338f49be21c601d19064.zip | |
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 <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'Documentation/filesystems/overlayfs.txt')
| -rw-r--r-- | Documentation/filesystems/overlayfs.txt | 6 |
1 files changed, 3 insertions, 3 deletions
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. |