NFSv4: update_changeattr does not need to set NFS_INO_REVAL_PAGECACHE
We're already invalidating the data cache, and setting the new change attribute. Since directories don't care about the i_size field, there is no need to be forcing any extra revalidation of the page cache. We do keep the NFS_INO_INVALID_ATTR flag, in order to force an attribute cache revalidation on stat() calls since we do not update the mtime and ctime fields. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -774,7 +774,7 @@ static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo)
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struct nfs_inode *nfsi = NFS_I(dir);
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spin_lock(&dir->i_lock);
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nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA;
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nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA;
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if (!cinfo->atomic || cinfo->before != dir->i_version)
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nfs_force_lookup_revalidate(dir);
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dir->i_version = cinfo->after;
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