tree b17effcaf70ed67f61b1ec2ed2dea1ea2f884d60
parent 38478b24e37587f1c4fedf8ac070ca54f052ed28
author Trond Myklebust <Trond.Myklebust@netapp.com> 1148535659 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1149860049 -0400

NFS: Separate metadata and page cache revalidation mechanisms

Separate out the function of revalidating the inode metadata, and
revalidating the mapping. The former may be called by lookup(),
and only really needs to check that permissions, ctime, etc haven't changed
whereas the latter needs only done when we want to read data from the page
cache, and may need to sync and then invalidate the mapping.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>