Re: [EXTERNAL] Re: [PATCH 4.19 013/247] cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath.

From: Paulo Alcantara
Date: Mon Apr 19 2021 - 10:15:18 EST


Salvatore Bonaccorso <carnil@xxxxxxxxxx> writes:

> Thanks Greg! Shyam, Steven, now the commit was reverted for the older
> brnaches. But did you got a chance to find why it breaks for the older
> series?

That commit has revealed another bug in cifs_mount() where we failed to
update the super's prefix path after chasing DFS referrals.

Newer kernel versions do not have it because the code & logic in
cifs_mount() changed entirely.