5 files changed, 90 insertions, 0 deletions

diff --git a/libglusterfs/src/dict.c b/libglusterfs/src/dict.c
index 2a317e36981..b44dda33f00 100644
--- a/libglusterfs/src/dict.c
+++ b/libglusterfs/src/dict.c
@@ -118,6 +118,7 @@ int32_t
 is_data_equal(data_t *one, data_t *two)
 {
     struct iatt *iatt1, *iatt2;
+    struct mdata_iatt *mdata_iatt1, *mdata_iatt2;
 
     if (!one || !two || !one->data || !two->data) {
         gf_msg_callingfn("dict", GF_LOG_ERROR, EINVAL, LG_MSG_INVALID_ARG,
@@ -182,6 +183,24 @@ is_data_equal(data_t *one, data_t *two)
         */
         return 1;
     }
+    if (one->data_type == GF_DATA_TYPE_MDATA) {
+        if ((one->len < sizeof(struct mdata_iatt)) ||
+            (two->len < sizeof(struct mdata_iatt))) {
+            return 0;
+        }
+        mdata_iatt1 = (struct mdata_iatt *)one->data;
+        mdata_iatt2 = (struct mdata_iatt *)two->data;
+
+        if (mdata_iatt1->ia_atime != mdata_iatt2->ia_atime ||
+            mdata_iatt1->ia_mtime != mdata_iatt2->ia_mtime ||
+            mdata_iatt1->ia_ctime != mdata_iatt2->ia_ctime ||
+            mdata_iatt1->ia_atime_nsec != mdata_iatt2->ia_atime_nsec ||
+            mdata_iatt1->ia_mtime_nsec != mdata_iatt2->ia_mtime_nsec ||
+            mdata_iatt1->ia_ctime_nsec != mdata_iatt2->ia_ctime_nsec) {
+            return 0;
+        }
+        return 1;
+    }
 
     if (one->len != two->len)
         return 0;
@@ -1072,6 +1091,7 @@ static char *data_type_name[GF_DATA_TYPE_MAX] = {
     [GF_DATA_TYPE_PTR] = "pointer",
     [GF_DATA_TYPE_GFUUID] = "gf-uuid",
     [GF_DATA_TYPE_IATT] = "iatt",
+    [GF_DATA_TYPE_MDATA] = "mdata",
 };
 
 int64_t
@@ -2660,6 +2680,45 @@ err:
 }
 
 int
+dict_set_mdata(dict_t *this, char *key, struct mdata_iatt *mdata,
+               bool is_static)
+{
+    return dict_set_bin_common(this, key, mdata, sizeof(struct mdata_iatt),
+                               is_static, GF_DATA_TYPE_MDATA);
+}
+
+int
+dict_get_mdata(dict_t *this, char *key, struct mdata_iatt *mdata)
+{
+    data_t *data = NULL;
+    int ret = -EINVAL;
+
+    if (!this || !key || !mdata) {
+        goto err;
+    }
+    ret = dict_get_with_ref(this, key, &data);
+    if (ret < 0) {
+        goto err;
+    }
+
+    VALIDATE_DATA_AND_LOG(data, GF_DATA_TYPE_MDATA, key, -EINVAL);
+    if (data->len < sizeof(struct mdata_iatt)) {
+        gf_msg("glusterfs", GF_LOG_ERROR, ENOBUFS, LG_MSG_UNDERSIZED_BUF,
+               "data value for '%s' is smaller than expected", key);
+        ret = -ENOBUFS;
+        goto err;
+    }
+
+    memcpy(mdata, data->data, min(data->len, sizeof(struct mdata_iatt)));
+
+err:
+    if (data)
+        data_unref(data);
+
+    return ret;
+}
+
+int
 dict_set_iatt(dict_t *this, char *key, struct iatt *iatt, bool is_static)
 {
     return dict_set_bin_common(this, key, iatt, sizeof(struct iatt), is_static,
diff --git a/libglusterfs/src/glusterfs/dict.h b/libglusterfs/src/glusterfs/dict.h
index 7854c9feaa1..35337251360 100644
--- a/libglusterfs/src/glusterfs/dict.h
+++ b/libglusterfs/src/glusterfs/dict.h
@@ -391,6 +391,11 @@ GF_MUST_CHECK int
 dict_set_iatt(dict_t *this, char *key, struct iatt *iatt, bool is_static);
 GF_MUST_CHECK int
 dict_get_iatt(dict_t *this, char *key, struct iatt *iatt);
+GF_MUST_CHECK int
+dict_set_mdata(dict_t *this, char *key, struct mdata_iatt *mdata,
+               bool is_static);
+GF_MUST_CHECK int
+dict_get_mdata(dict_t *this, char *key, struct mdata_iatt *mdata);
 
 void
 dict_dump_to_statedump(dict_t *dict, char *dict_name, char *domain);
diff --git a/libglusterfs/src/glusterfs/glusterfs.h b/libglusterfs/src/glusterfs/glusterfs.h
index 18d8d2136f8..d4c800b7416 100644
--- a/libglusterfs/src/glusterfs/glusterfs.h
+++ b/libglusterfs/src/glusterfs/glusterfs.h
@@ -229,6 +229,9 @@ enum gf_internal_fop_indicator {
 #define VIRTUAL_QUOTA_XATTR_CLEANUP_KEY "glusterfs.quota-xattr-cleanup"
 #define QUOTA_READ_ONLY_KEY "trusted.glusterfs.quota.read-only"
 
+/* ctime related */
+#define CTIME_MDATA_XDATA_KEY "set-ctime-mdata"
+
 /* afr related */
 #define AFR_XATTR_PREFIX "trusted.afr"
 
diff --git a/libglusterfs/src/glusterfs/iatt.h b/libglusterfs/src/glusterfs/iatt.h
index bee7a0afa77..f03d68b02f0 100644
--- a/libglusterfs/src/glusterfs/iatt.h
+++ b/libglusterfs/src/glusterfs/iatt.h
@@ -92,6 +92,15 @@ struct old_iatt {
     uint32_t ia_ctime_nsec;
 };
 
+struct mdata_iatt {
+    int64_t ia_atime; /* last access time */
+    int64_t ia_mtime; /* last modification time */
+    int64_t ia_ctime; /* last status change time */
+    uint32_t ia_atime_nsec;
+    uint32_t ia_mtime_nsec;
+    uint32_t ia_ctime_nsec;
+};
+
 /* 64-bit mask for valid members in struct iatt. */
 #define IATT_TYPE 0x0000000000000001U
 #define IATT_MODE 0x0000000000000002U
@@ -313,6 +322,17 @@ st_mode_from_ia(ia_prot_t prot, ia_type_t type)
     return st_mode;
 }
 
+static inline void
+iatt_to_mdata(struct mdata_iatt *mdata, struct iatt *iatt)
+{
+    mdata->ia_atime = iatt->ia_atime;
+    mdata->ia_atime_nsec = iatt->ia_atime_nsec;
+    mdata->ia_mtime = iatt->ia_mtime;
+    mdata->ia_mtime_nsec = iatt->ia_mtime_nsec;
+    mdata->ia_ctime = iatt->ia_ctime;
+    mdata->ia_ctime_nsec = iatt->ia_ctime_nsec;
+}
+
 static inline int
 iatt_from_stat(struct iatt *iatt, struct stat *stat)
 {
diff --git a/libglusterfs/src/libglusterfs.sym b/libglusterfs/src/libglusterfs.sym
index 188cda27bc5..60b3f317cc8 100644
--- a/libglusterfs/src/libglusterfs.sym
+++ b/libglusterfs/src/libglusterfs.sym
@@ -375,6 +375,7 @@ dict_get_bin
 dict_get_double
 dict_get_gfuuid
 dict_get_iatt
+dict_get_mdata
 dict_get_int16
 dict_get_int32
 dict_get_int32n
@@ -412,6 +413,7 @@ dict_set_dynstrn
 dict_set_dynstr_with_alloc
 dict_set_gfuuid
 dict_set_iatt
+dict_set_mdata
 dict_set_int16
 dict_set_int32
 dict_set_int32n
@@ -504,6 +506,7 @@ fop_lease_stub
 fop_link_stub
 fop_lk_stub
 fop_log_level
+fop_lookup_cbk_stub
 fop_lookup_stub
 fop_mkdir_stub
 fop_mknod_stub