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-rw-r--r--fs/nfs/inode.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 59a12c6a8df6..fed27c0d1a4d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -870,6 +870,15 @@ static int nfs_invalidate_mapping(struct inode *inode, struct address_space *map
870 return 0; 870 return 0;
871} 871}
872 872
873static bool nfs_mapping_need_revalidate_inode(struct inode *inode)
874{
875 if (nfs_have_delegated_attributes(inode))
876 return false;
877 return (NFS_I(inode)->cache_validity & NFS_INO_REVAL_PAGECACHE)
878 || nfs_attribute_timeout(inode)
879 || NFS_STALE(inode);
880}
881
873/** 882/**
874 * nfs_revalidate_mapping - Revalidate the pagecache 883 * nfs_revalidate_mapping - Revalidate the pagecache
875 * @inode - pointer to host inode 884 * @inode - pointer to host inode
@@ -880,9 +889,7 @@ int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping)
880 struct nfs_inode *nfsi = NFS_I(inode); 889 struct nfs_inode *nfsi = NFS_I(inode);
881 int ret = 0; 890 int ret = 0;
882 891
883 if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE) 892 if (nfs_mapping_need_revalidate_inode(inode)) {
884 || nfs_attribute_cache_expired(inode)
885 || NFS_STALE(inode)) {
886 ret = __nfs_revalidate_inode(NFS_SERVER(inode), inode); 893 ret = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
887 if (ret < 0) 894 if (ret < 0)
888 goto out; 895 goto out;