From: Mikhail Pershin <mike.pershin@intel.com>
Date: Sat, 11 Jan 2014 20:21:13 +0000 (+0400)
Subject: LU-4384 target: don't set OBD_INCOMPAT_FID for OST
X-Git-Tag: 2.5.55~45
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=b5ddf3414df029893dda8e77f3395f21be600235;p=fs%2Flustre-release.git

LU-4384 target: don't set OBD_INCOMPAT_FID for OST

That cause downgrade to fall, though here is no incompatibility
actually.

Signed-off-by: Mikhail Pershin <mike.pershin@intel.com>
Change-Id: I71de76496441dd4627cf235166f866404edd6cec
Reviewed-on: http://review.whamcloud.com/8810
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>
---

diff --git a/lustre/target/tgt_lastrcvd.c b/lustre/target/tgt_lastrcvd.c
index b5d2831..17e4324 100644
--- a/lustre/target/tgt_lastrcvd.c
+++ b/lustre/target/tgt_lastrcvd.c
@@ -1071,6 +1071,10 @@ int tgt_server_data_init(const struct lu_env *env, struct lu_target *tgt)
 		       lsd->lsd_feature_incompat & ~tgt_scd[type].incompat);
 		RETURN(-EINVAL);
 	}
+
+	if (type == LDD_F_SV_TYPE_MDT)
+		lsd->lsd_feature_incompat |= OBD_INCOMPAT_FID;
+
 	if (lsd->lsd_feature_rocompat & ~tgt_scd[type].rocompat) {
 		CERROR("%s: unsupported read-only filesystem feature(s) %x\n",
 		       tgt_name(tgt),
@@ -1094,8 +1098,6 @@ int tgt_server_data_init(const struct lu_env *env, struct lu_target *tgt)
 		lsd->lsd_feature_compat |= OBD_COMPAT_20;
 	}
 
-	lsd->lsd_feature_incompat |= OBD_INCOMPAT_FID;
-
 	spin_lock(&tgt->lut_translock);
 	tgt->lut_last_transno = lsd->lsd_last_transno;
 	spin_unlock(&tgt->lut_translock);