nfs: if we have no valid attrs, then don't declare the attribute cache valid

[linux.git] / fs / nfs / inode.c

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index eda3da3f3a7b1018a30f1fad2e14dbb1bec6bed8..31b0a52223a73758c385d18bea4ec22ed63c2884 100644 (file)
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1827,7 +1827,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
                if ((long)fattr->gencount - (long)nfsi->attr_gencount > 0)
                        nfsi->attr_gencount = fattr->gencount;
        }
-       invalid &= ~NFS_INO_INVALID_ATTR;
+
+       /* Don't declare attrcache up to date if there were no attrs! */
+       if (fattr->valid != 0)
+               invalid &= ~NFS_INO_INVALID_ATTR;
+
        /* Don't invalidate the data if we were to blame */
        if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)
                                || S_ISLNK(inode->i_mode)))