On Thu, Mar 30, 2017 at 9:48 AM, zhangyi (F) <yi.zhang@xxxxxxxxxx> wrote: > Hi: > Current overlayfs does not support underlying filesystem which have "weird" d_flags (like DCACHE_OP_HASH， > DCACHE_OP_COMPARE, DCACHE_OP_REVALIDATE, etc). So we cannot support fs have it's own d_hash, d_compare and > d_revalidate functions. Not accurate. d_revalidate() is allowed for lower, but not for upper (ovl_dentry_remote()). I can't say I understand why upper is not allowed to be remote, so this might be fixed if there is a need and there is a tester. > > Do you have a TODO plan to support it in a future version ? > Which of the constrains is relevant to your use case? (which of the flags) Do you need it for lower / upper or both? Is it a proprietary file system of a known one you need to support? Thanks, Amir. -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
