LU-15314 utils: set default max-inherit to 3

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_user.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_user.h b/lustre/include/uapi/linux/lustre/lustre_user.h
index 49f0b4c..aefead0 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_user.h
+++ b/lustre/include/uapi/linux/lustre/lustre_user.h
@@ -1135,23 +1135,25 @@ enum lmv_type {
  */
 enum {
        /* for historical reason, 0 means unlimited inheritance */
-       LMV_INHERIT_UNLIMITED   = 0,
-       /* unlimited lum_max_inherit by default */
-       LMV_INHERIT_DEFAULT     = 0,
+       LMV_INHERIT_UNLIMITED           = 0,
+       /* unlimited lum_max_inherit by default for plain stripe (0 or 1) */
+       LMV_INHERIT_DEFAULT_PLAIN       = LMV_INHERIT_UNLIMITED,
        /* not inherit any more */
-       LMV_INHERIT_END         = 1,
+       LMV_INHERIT_END                 = 1,
+       /* for multiple stripes, the default lum_max_inherit is 3 */
+       LMV_INHERIT_DEFAULT_STRIPED     = 3,
        /* max inherit depth */
-       LMV_INHERIT_MAX         = 250,
+       LMV_INHERIT_MAX                 = 250,
        /* [251, 254] are reserved */
        /* not set, or when inherit depth goes beyond end,  */
-       LMV_INHERIT_NONE        = 255,
+       LMV_INHERIT_NONE                = 255,
 };
 
 enum {
        /* not set, or when inherit_rr depth goes beyond end,  */
        LMV_INHERIT_RR_NONE             = 0,
        /* disable lum_max_inherit_rr by default */
-       LMV_INHERIT_RR_DEFAULT          = 0,
+       LMV_INHERIT_RR_DEFAULT          = LMV_INHERIT_RR_NONE,
        /* not inherit any more */
        LMV_INHERIT_RR_END              = 1,
        /* default inherit_rr of ROOT */