NFSv4: Just don't cache negative dentries on case insensitive servers

If the directory contents change, we cannot rely on the negative dentry
being cacheable.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2021-12-17 15:36:55 -05:00 • committed by Anna Schumaker
commit 98ca3ee60b