From: Radoslaw Zarzynski <rzarzyns@redhat.com>
Date: Mon, 5 Aug 2019 06:47:08 +0000 (+0200)
Subject: crimson/os: port get_max_attr_name_length() from MemStore.
X-Git-Tag: v15.1.0~1774^2~14
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ca3ad1dbd11287d35ac2a1d4b6bdce6d8b97dd4e;p=ceph.git

crimson/os: port get_max_attr_name_length() from MemStore.

This method is an enabler for CEPH_OSD_OP_SETXATTR.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>
---

diff --git a/src/crimson/os/cyan_store.cc b/src/crimson/os/cyan_store.cc
index 796f23544fda6..922092711240d 100644
--- a/src/crimson/os/cyan_store.cc
+++ b/src/crimson/os/cyan_store.cc
@@ -631,4 +631,10 @@ uuid_d CyanStore::get_fsid() const
 {
   return osd_fsid;
 }
+
+unsigned CyanStore::get_max_attr_name_length() const
+{
+  // arbitrary limitation exactly like in the case of MemStore.
+  return 256;
+}
 }
diff --git a/src/crimson/os/cyan_store.h b/src/crimson/os/cyan_store.h
index 8eacaa29b8d8e..c1a13ca7cd697 100644
--- a/src/crimson/os/cyan_store.h
+++ b/src/crimson/os/cyan_store.h
@@ -84,6 +84,7 @@ public:
 		  const std::string& value) final;
   int read_meta(const std::string& key, std::string* value) final;
   uuid_d get_fsid() const final;
+  unsigned get_max_attr_name_length() const final;
 
 private:
   int _remove(const coll_t& cid, const ghobject_t& oid);
diff --git a/src/crimson/os/futurized_store.h b/src/crimson/os/futurized_store.h
index 81f584cf4e0e3..5287dc4da2d8a 100644
--- a/src/crimson/os/futurized_store.h
+++ b/src/crimson/os/futurized_store.h
@@ -105,6 +105,7 @@ public:
 		  const std::string& value) = 0;
   virtual int read_meta(const std::string& key, std::string* value) = 0;
   virtual uuid_d get_fsid() const  = 0;
+  virtual unsigned get_max_attr_name_length() const = 0;
 };
 
 }