提交 10727772 编写于 作者: T Trond Myklebust

NFS: Fix incorrect mapping revalidation when holding a delegation

We should only care about checking the attributes if the page cache
is marked as dubious (using NFS_INO_REVAL_PAGECACHE) and the
NFS_INO_REVAL_FORCED flag is set.
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>
上级 230bc962
......@@ -1114,9 +1114,15 @@ static int nfs_invalidate_mapping(struct inode *inode, struct address_space *map
static bool nfs_mapping_need_revalidate_inode(struct inode *inode)
{
if (nfs_have_delegated_attributes(inode))
return false;
return (NFS_I(inode)->cache_validity & NFS_INO_REVAL_PAGECACHE)
unsigned long cache_validity = NFS_I(inode)->cache_validity;
if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) {
const unsigned long force_reval =
NFS_INO_REVAL_PAGECACHE|NFS_INO_REVAL_FORCED;
return (cache_validity & force_reval) == force_reval;
}
return (cache_validity & NFS_INO_REVAL_PAGECACHE)
|| nfs_attribute_timeout(inode)
|| NFS_STALE(inode);
}
......
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