On 2016-09-14 22:28, Richard Weinberger wrote:
> To support overlayfs in a proper way a filesystem has to offer support
> While UBIFS supports DT_CHR it lacks support for RENAME_WHITEOUT and
> RENAME_EXCHANGE. This patch series implement the missing bits.
> RENAME_WHITEOUT itself depends on O_TMPFILE, therefore O_TMPFILE is now
> also supported.
> Changes since v1:
>  - Build fix for CONFIG_LOCKDEP=y
>  - Fix for wrong dentry name length calculation in ubifs_jnl_xrename()
>  - Fix for wrong directory link count after RENAME_EXCHANGE
> Richard Weinberger (4):
>   ubifs: Implement O_TMPFILE
>   ubifs: Implement RENAME_WHITEOUT
>   ubifs: Implement RENAME_EXCHANGE
>   ubifs: Use move variable in ubifs_rename()
Tested-by: Felix Fietkau <n...@nbd.name>

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