tree 1bbbb13b7e4353bc729363582eef95925c523b7b
parent 9c0fc4e28b57c5a6da7b58d60f71476c64d457a6
author Trond Myklebust <Trond.Myklebust@netapp.com> 1215451570 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1215544960 -0400

NFS: Fix readdir cache invalidation

invalidate_inode_pages2_range() takes page offset arguments, not byte
ranges.

Another thought is that individual pages might perhaps get evicted by VM
pressure, in which case we might perhaps want to re-read not only the
evicted page, but all subsequent pages too (in case the server returns
more/less data per page so that the alignment of the next entry
changes). We should therefore remove the condition that we only do this on
page->index==0.

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