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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 /fs/overlayfs/Kconfig | |
| 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 'fs/overlayfs/Kconfig')
| -rw-r--r-- | fs/overlayfs/Kconfig | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig index 5ac415466861..9eac01c3e21e 100644 --- a/fs/overlayfs/Kconfig +++ b/fs/overlayfs/Kconfig @@ -47,9 +47,6 @@ config OVERLAY_FS_INDEX The inodes index feature prevents breaking of lower hardlinks on copy up. - Note, that the inodes index feature is read-only backward compatible. - That is, mounting an overlay which has an index dir on a kernel that - doesn't support this feature read-only, will not have any negative - outcomes. However, mounting the same overlay with an old kernel - read-write and then mounting it again with a new kernel, will have - unexpected results. + Note, that the inodes index feature is not backward compatible. + That is, mounting an overlay which has an inodes index on a kernel + that doesn't support this feature will have unexpected results. |