Track the union of requested and supported dir attributes in the
delegation, and only encode the attributes in that union when sending
add/remove/rename updates.

Signed-off-by: Jeff Layton <[email protected]>
---
 fs/nfsd/nfs4proc.c  |  9 ++++++---
 fs/nfsd/nfs4state.c | 14 +++++++++++++-
 fs/nfsd/state.h     |  2 ++
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index a807a55dddf9..e4717e1e3d93 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -2506,9 +2506,10 @@ nfsd4_verify(struct svc_rqst *rqstp, struct 
nfsd4_compound_state *cstate,
        return status == nfserr_same ? nfs_ok : status;
 }
 
-#define SUPPORTED_NOTIFY_MASK  (BIT(NOTIFY4_REMOVE_ENTRY) |    \
-                                BIT(NOTIFY4_ADD_ENTRY) |       \
-                                BIT(NOTIFY4_RENAME_ENTRY) |    \
+#define SUPPORTED_NOTIFY_MASK  (BIT(NOTIFY4_CHANGE_DIR_ATTRS) |        \
+                                BIT(NOTIFY4_REMOVE_ENTRY) |            \
+                                BIT(NOTIFY4_ADD_ENTRY) |               \
+                                BIT(NOTIFY4_RENAME_ENTRY) |            \
                                 BIT(NOTIFY4_GFLAG_EXTEND))
 
 static __be32
@@ -2555,6 +2556,8 @@ nfsd4_get_dir_delegation(struct svc_rqst *rqstp,
        memcpy(&gdd->gddr_stateid, &dd->dl_stid.sc_stateid, 
sizeof(gdd->gddr_stateid));
        gdd->gddr_child_attributes[0] = dd->dl_child_attrs[0];
        gdd->gddr_child_attributes[1] = dd->dl_child_attrs[1];
+       gdd->gddr_dir_attributes[0] = dd->dl_dir_attrs[0];
+       gdd->gddr_dir_attributes[1] = dd->dl_dir_attrs[1];
        nfs4_put_stid(&dd->dl_stid);
        return nfs_ok;
 }
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 28e34f6c95e7..32340a0669df 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -9822,6 +9822,15 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, 
struct dentry *dentry,
                                 FATTR4_WORD1_TIME_MODIFY |     \
                                 FATTR4_WORD1_TIME_CREATE)
 
+#define GDD_WORD0_DIR_ATTRS    (FATTR4_WORD0_CHANGE |          \
+                                FATTR4_WORD0_SIZE)
+
+#define GDD_WORD1_DIR_ATTRS    (FATTR4_WORD1_NUMLINKS |        \
+                                FATTR4_WORD1_SPACE_USED |      \
+                                FATTR4_WORD1_TIME_ACCESS |     \
+                                FATTR4_WORD1_TIME_METADATA |   \
+                                FATTR4_WORD1_TIME_MODIFY)
+
 /**
  * nfsd_get_dir_deleg - attempt to get a directory delegation
  * @cstate: compound state
@@ -9891,10 +9900,13 @@ nfsd_get_dir_deleg(struct nfsd4_compound_state *cstate,
                dp->dl_stid.sc_export =
                        exp_get(cstate->current_fh.fh_export);
 
+       dp->dl_notify_mask = gdd->gddr_notification[0];
        dp->dl_child_attrs[0] = gdd->gdda_child_attributes[0] & 
GDD_WORD0_CHILD_ATTRS;
        dp->dl_child_attrs[1] = gdd->gdda_child_attributes[1] & 
GDD_WORD1_CHILD_ATTRS;
+       dp->dl_dir_attrs[0] = gdd->gdda_dir_attributes[0] & GDD_WORD0_DIR_ATTRS;
+       dp->dl_dir_attrs[1] = gdd->gdda_dir_attributes[1] & GDD_WORD1_DIR_ATTRS;
 
-       fl = nfs4_alloc_init_lease(dp, gdd->gddr_notification[0]);
+       fl = nfs4_alloc_init_lease(dp, dp->dl_notify_mask);
        if (!fl)
                goto out_put_stid;
 
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index cb1ac3248fe8..4c5848285378 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -286,7 +286,9 @@ struct nfs4_delegation {
        struct timespec64       dl_ctime;
 
        /* For dir delegations */
+       uint32_t                dl_notify_mask;
        uint32_t                dl_child_attrs[2];
+       uint32_t                dl_dir_attrs[2];
 };
 
 static inline bool deleg_is_read(u32 dl_type)

-- 
2.53.0


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