From: Myoungwon Oh <ohmyoungwon@gmail.com>
Date: Wed, 8 Jan 2025 13:25:59 +0000 (+0000)
Subject: crimson/osd: use set_alloc_hint when creating an object for PGLog
X-Git-Tag: v20.0.0~24^2~17
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=14e6ed80d665c0c70ef650419cc5649d77bc230a;p=ceph.git

crimson/osd: use set_alloc_hint when creating an object for PGLog

Signed-off-by: Myoungwon Oh <myoungwon.oh@samsung.com>
---

diff --git a/src/common/ceph_strings.cc b/src/common/ceph_strings.cc
index 6204a9ca3b893..de50a987f8382 100644
--- a/src/common/ceph_strings.cc
+++ b/src/common/ceph_strings.cc
@@ -227,6 +227,8 @@ const char *ceph_osd_alloc_hint_flag_name(int f)
 		return "compressible";
 	case CEPH_OSD_ALLOC_HINT_FLAG_INCOMPRESSIBLE:
 		return "incompressible";
+	case CEPH_OSD_ALLOC_HINT_FLAG_LOG:
+		return "log";
 	default:
 		return "???";
 	}
diff --git a/src/include/rados.h b/src/include/rados.h
index 1fb86be947e60..94ad950fdfe72 100644
--- a/src/include/rados.h
+++ b/src/include/rados.h
@@ -564,6 +564,7 @@ enum {
 	CEPH_OSD_ALLOC_HINT_FLAG_LONGLIVED = 128,
 	CEPH_OSD_ALLOC_HINT_FLAG_COMPRESSIBLE = 256,
 	CEPH_OSD_ALLOC_HINT_FLAG_INCOMPRESSIBLE = 512,
+	CEPH_OSD_ALLOC_HINT_FLAG_LOG = 1024,
 };
 
 const char *ceph_osd_alloc_hint_flag_name(int f);
diff --git a/src/include/rados/librados.h b/src/include/rados/librados.h
index 858804c3a03fa..5a8bb36eb65b8 100644
--- a/src/include/rados/librados.h
+++ b/src/include/rados/librados.h
@@ -155,6 +155,7 @@ enum {
   LIBRADOS_ALLOC_HINT_FLAG_LONGLIVED = 128,
   LIBRADOS_ALLOC_HINT_FLAG_COMPRESSIBLE = 256,
   LIBRADOS_ALLOC_HINT_FLAG_INCOMPRESSIBLE = 512,
+  LIBRADOS_ALLOC_HINT_FLAG_LOG = 1024,
 };
 /** @} */
 
diff --git a/src/include/rados/librados.hpp b/src/include/rados/librados.hpp
index 0f5a9036effc5..58eef6789e1e1 100644
--- a/src/include/rados/librados.hpp
+++ b/src/include/rados/librados.hpp
@@ -306,6 +306,7 @@ inline namespace v14_2_0 {
     ALLOC_HINT_FLAG_LONGLIVED = 128,
     ALLOC_HINT_FLAG_COMPRESSIBLE = 256,
     ALLOC_HINT_FLAG_INCOMPRESSIBLE = 512,
+    ALLOC_HINT_FLAG_LOG = 1024,
   };
 
   /*
diff --git a/src/osd/osd_types.cc b/src/osd/osd_types.cc
index 048f5aa0009cb..8dde420b8d959 100644
--- a/src/osd/osd_types.cc
+++ b/src/osd/osd_types.cc
@@ -7425,6 +7425,10 @@ void init_pg_ondisk(
 
   ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
   t.touch(coll, pgmeta_oid);
+  if (pool && pool->is_crimson()) {
+    t.set_alloc_hint(coll, pgmeta_oid,
+      0, 0, CEPH_OSD_ALLOC_HINT_FLAG_LOG);
+  }
   map<string,bufferlist> values;
   __u8 struct_v = pg_latest_struct_v;
   encode(struct_v, values[string(infover_key)]);