tree be5249600ca096b2ea4cf0ad6d8eea73cdeed966
parent 955a857e062642cd3ebe1dc7bb38c0f85d8f8f17
author Trond Myklebust <Trond.Myklebust@netapp.com> 1286229548 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1287531474 -0400

NFS: Don't SIGBUS if nfs_vm_page_mkwrite races with a cache invalidation

In the case where we lock the page, and then find out that the page has
been thrown out of the page cache, we should just return VM_FAULT_NOPAGE.
This is what block_page_mkwrite() does in these situations.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org