From: Samuel Just <sjust@redhat.com>
Date: Mon, 23 Mar 2015 18:46:35 +0000 (-0700)
Subject: Revert "Merge pull request #3641 from athanatos/wip-10731"
X-Git-Tag: v0.94~19^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=45bff593decbe5217ef7c0eb5ed5b549e6e76e87;p=ceph.git

Revert "Merge pull request #3641 from athanatos/wip-10731"

This reverts commit 54a22236a00ab18ec62c6e7df1117055d5fd0ef1, reversing
changes made to 7eca03e290f278bdf3a9613e0f383ec49f40b645.

Conflicts:
	src/include/ceph_features.h
---

diff --git a/src/include/ceph_features.h b/src/include/ceph_features.h
index ef5d3f2b5dd9..7f036161651f 100644
--- a/src/include/ceph_features.h
+++ b/src/include/ceph_features.h
@@ -62,7 +62,6 @@
 #define CEPH_FEATURE_CRUSH_V4      (1ULL<<48)  /* straw2 buckets */
 #define CEPH_FEATURE_OSD_MIN_SIZE_RECOVERY (1ULL<<49)
 // duplicated since it was introduced at the same time as MIN_SIZE_RECOVERY
-#define CEPH_FEATURE_OSD_DEGRADED_WRITES (1ULL<<49)
 #define CEPH_FEATURE_OSD_PROXY_FEATURES (1ULL<<49)  /* overlap w/ above */
 
 #define CEPH_FEATURE_RESERVED2 (1ULL<<61)  /* slow down, we are almost out... */
@@ -149,7 +148,6 @@ static inline unsigned long long ceph_sanitize_features(unsigned long long f) {
 	 CEPH_FEATURE_MDS_QUOTA | \
          CEPH_FEATURE_CRUSH_V4 |	     \
          CEPH_FEATURE_OSD_MIN_SIZE_RECOVERY |		 \
-         CEPH_FEATURE_OSD_DEGRADED_WRITES |		 \
 	 0ULL)
 
 #define CEPH_FEATURES_SUPPORTED_DEFAULT  CEPH_FEATURES_ALL
diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index f0bc46729c34..c941544d7c29 100644
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -1450,13 +1450,8 @@ void ReplicatedPG::do_op(OpRequestRef& op)
    * We can enable degraded writes on ec pools by blocking such a write
    * to a peer until all previous writes have completed.  For now, we
    * will simply block them.
-   *
-   * We also block if our peers do not support DEGRADED_WRITES.
    */
-  if ((pool.info.ec_pool() ||
-       !(get_min_peer_features() & CEPH_FEATURE_OSD_DEGRADED_WRITES)) &&
-      write_ordered &&
-      is_degraded_object(head)) {
+  if (pool.info.ec_pool() && write_ordered && is_degraded_object(head)) {
     wait_for_degraded_object(head, op);
     return;
   }