Merge pull request #53178 from aclamk/wip-aclamk-bs-esb-5-enabled

bluestore: Elastic Shared Blobs 5 - enabled, final

Reviewed-by: Igor Fedotov <ifedotov@suse.com>
Reviewed-by: Radoslaw Zarzynski <rzarzyns@redhat.com

src/common/options/global.yaml.in

@@ -4867,6 +4867,17 @@ options:
   flags:
   - create
   with_legacy: true
+- name: bluestore_elastic_shared_blobs
+  type: bool
+  level: advanced
+  desc: Let bluestore to reuse existing shared blobs if possible
+  long_desc: Overwrites on snapped objects cause shared blob count to grow.
+    It has a very negative performance effect. When enabled shared blob count
+    is significantly reduced.
+  default: true
+  flags:
+  - create
+  with_legacy: false
 - name: bluestore_allocator
   type: str
   level: advanced
@@ -5232,11 +5243,6 @@ options:
   level: dev
   default: 0
   with_legacy: true
-- name: bluestore_debug_inject_bug21040
-  type: bool
-  level: dev
-  default: false
-  with_legacy: true
 - name: bluestore_debug_inject_csum_err_probability
   type: float
   level: dev