From bc08dfb8b364a60b3c35dbacde5a0da95133d1b5 Mon Sep 17 00:00:00 2001
From: Mykola Golub <mgolub@suse.com>
Date: Wed, 2 Jan 2019 13:31:14 +0000
Subject: [PATCH] rbd: validate journal object max size

Signed-off-by: Mykola Golub <mgolub@suse.com>
---
 src/common/options.cc          |  2 +-
 src/test/cli/rbd/help.t        | 14 +++++++-------
 src/tools/rbd/ArgumentTypes.cc |  4 ++--
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/common/options.cc b/src/common/options.cc
index db52824a4e8d..e6ea2aee18f9 100644
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -6940,7 +6940,7 @@ static std::vector<Option> get_rbd_options() {
     .set_flag(Option::FLAG_RUNTIME),
 
     Option("rbd_journal_order", Option::TYPE_UINT, Option::LEVEL_ADVANCED)
-    .set_min(12)
+    .set_min_max(12, 26)
     .set_default(24)
     .set_description("default order (object size) for journal data objects"),
 
diff --git a/src/test/cli/rbd/help.t b/src/test/cli/rbd/help.t
index 84e0fbdacd80..4f28b67438f0 100644
--- a/src/test/cli/rbd/help.t
+++ b/src/test/cli/rbd/help.t
@@ -232,7 +232,7 @@
     --stripe-count arg        stripe count
     --data-pool arg           data pool
     --journal-splay-width arg number of active journal objects
-    --journal-object-size arg size of journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
     --journal-pool arg        pool for journal objects
   
   Image Features:
@@ -436,7 +436,7 @@
     --stripe-count arg           stripe count
     --data-pool arg              data pool
     --journal-splay-width arg    number of active journal objects
-    --journal-object-size arg    size of journal objects
+    --journal-object-size arg    size of journal objects [4K <= size <= 64M]
     --journal-pool arg           pool for journal objects
     --sparse-size arg            sparse size in B/K/M [default: 4K]
     --no-progress                disable progress output
@@ -483,7 +483,7 @@
     --stripe-count arg        stripe count
     --data-pool arg           data pool
     --journal-splay-width arg number of active journal objects
-    --journal-object-size arg size of journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
     --journal-pool arg        pool for journal objects
     --thick-provision         fully allocate storage and zero image
     -s [ --size ] arg         image size (in M/G/T) [default: M]
@@ -538,7 +538,7 @@
     --stripe-count arg           stripe count
     --data-pool arg              data pool
     --journal-splay-width arg    number of active journal objects
-    --journal-object-size arg    size of journal objects
+    --journal-object-size arg    size of journal objects [4K <= size <= 64M]
     --journal-pool arg           pool for journal objects
     --flatten                    fill clone with parent data (make it independent)
     --no-progress                disable progress output
@@ -741,7 +741,7 @@
     --namespace arg           namespace name
     --image arg               image name
     --journal-splay-width arg number of active journal objects
-    --journal-object-size arg size of journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
     --journal-pool arg        pool for journal objects
   
   rbd help flatten
@@ -1113,7 +1113,7 @@
     --stripe-count arg        stripe count
     --data-pool arg           data pool
     --journal-splay-width arg number of active journal objects
-    --journal-object-size arg size of journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
     --journal-pool arg        pool for journal objects
     --sparse-size arg         sparse size in B/K/M [default: 4K]
     --no-progress             disable progress output
@@ -1500,7 +1500,7 @@
     --stripe-count arg        stripe count
     --data-pool arg           data pool
     --journal-splay-width arg number of active journal objects
-    --journal-object-size arg size of journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
     --journal-pool arg        pool for journal objects
     --flatten                 fill clone with parent data (make it independent)
   
diff --git a/src/tools/rbd/ArgumentTypes.cc b/src/tools/rbd/ArgumentTypes.cc
index 6b4ea3af6741..62039200bb33 100644
--- a/src/tools/rbd/ArgumentTypes.cc
+++ b/src/tools/rbd/ArgumentTypes.cc
@@ -252,7 +252,7 @@ void add_create_journal_options(po::options_description *opt) {
     (JOURNAL_SPLAY_WIDTH.c_str(), po::value<uint64_t>(),
      "number of active journal objects")
     (JOURNAL_OBJECT_SIZE.c_str(), po::value<JournalObjectSize>(),
-     "size of journal objects")
+     "size of journal objects [4K <= size <= 64M]")
     (JOURNAL_POOL.c_str(), po::value<std::string>(),
      "pool for journal objects");
 }
@@ -480,7 +480,7 @@ void validate(boost::any& v, const std::vector<std::string>& values,
 
   std::string parse_error;
   uint64_t size = strict_iecstrtoll(s.c_str(), &parse_error);
-  if (parse_error.empty() && (size >= (1 << 12))) {
+  if (parse_error.empty() && (size >= (1 << 12)) && (size <= (1 << 26))) {
     v = boost::any(size);
     return;
   }
-- 
2.47.3