nfsd: support ext4 i_version

[safe/jmp/linux-2.6] / include / linux / nfsd / xdr4.h

diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h
index f80d601..d0f050f 100644 (file)
--- a/include/linux/nfsd/xdr4.h
+++ b/include/linux/nfsd/xdr4.h
@@ -64,10 +64,13 @@ static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
 
 struct nfsd4_change_info {
        u32             atomic;
+       bool            change_supported;
        u32             before_ctime_sec;
        u32             before_ctime_nsec;
+       u64             before_change;
        u32             after_ctime_sec;
        u32             after_ctime_nsec;
+       u64             after_change;
 };
 
 struct nfsd4_access {
@@ -503,10 +506,16 @@ set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
 {
        BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
        cinfo->atomic = 1;
-       cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
-       cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
-       cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
-       cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
+       cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
+       if (cinfo->change_supported) {
+               cinfo->before_change = fhp->fh_pre_change;
+               cinfo->after_change = fhp->fh_post_change;
+       } else {
+               cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
+               cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
+               cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
+               cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
+       }
 }
 
 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);