LU-11868 osd: Set max ea size to XATTR_SIZE_MAX

[fs/lustre-release.git] / lustre / include / obd.h

diff --git a/lustre/include/obd.h b/lustre/include/obd.h
index 242bfb8..ce41c32 100644 (file)
--- a/lustre/include/obd.h
+++ b/lustre/include/obd.h
@@ -151,7 +151,15 @@ enum {
  * vmalloc(). Excessive use of vmalloc() may cause spinlock contention
  * on the MDS.
  */
-#define OBD_MAX_DEFAULT_EA_SIZE                4096
+#define OBD_MAX_DEFAULT_EA_SIZE        4096
+
+/*
+ * Lustre can handle larger xattrs internally, but we must respect the Linux
+ * VFS limitation or tools like tar cannot interact with Lustre volumes
+ * correctly.
+ */
+#define OBD_MAX_EA_SIZE                XATTR_SIZE_MAX
+
 
 enum obd_cl_sem_lock_class {
        OBD_CLI_SEM_NORMAL,