2 files changed, 30 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index 56edc9f4a2b..45886dae3ee 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -4425,3 +4425,27 @@ fop_enum_to_string (glusterfs_fop_t fop)
 
         return "UNKNOWNFOP";
 }
+
+gf_boolean_t
+gf_is_zero_filled_stat (struct iatt *buf)
+{
+        if (!buf)
+                return 1;
+
+        /* Do not use st_dev because it is transformed to store the xlator id
+         * in place of the device number. Do not use st_ino because by this time
+         * we've already mapped the root ino to 1 so it is not guaranteed to be
+         * 0.
+         */
+        if ((buf->ia_nlink == 0) && (buf->ia_ctime == 0))
+                return 1;
+
+        return 0;
+}
+
+void
+gf_zero_fill_stat (struct iatt *buf)
+{
+        buf->ia_nlink = 0;
+        buf->ia_ctime = 0;
+}
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index b7d4845b138..620468e8b09 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -820,4 +820,10 @@ gf_nwrite (int fd, const void *buf, size_t count);
 void _mask_cancellation (void);
 void _unmask_cancellation (void);
 
+gf_boolean_t
+gf_is_zero_filled_stat (struct iatt *buf);
+
+void
+gf_zero_fill_stat (struct iatt *buf);
+
 #endif /* _COMMON_UTILS_H */