From: Mykola Golub <mgolub@suse.com>
Date: Fri, 17 Apr 2020 11:40:41 +0000 (+0100)
Subject: cls/journal: use EC pool stripe width for padding appends
X-Git-Tag: v16.1.0~2563^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F34608%2Fhead;p=ceph.git

cls/journal: use EC pool stripe width for padding appends

to avoid ECSubRead ops to reencode a partially updated stripe.

Signed-off-by: Mykola Golub <mgolub@suse.com>
---

diff --git a/src/cls/journal/cls_journal.cc b/src/cls/journal/cls_journal.cc
index fb1267fba10f..db5a6854ad0d 100644
--- a/src/cls/journal/cls_journal.cc
+++ b/src/cls/journal/cls_journal.cc
@@ -1183,6 +1183,11 @@ int journal_object_append(cls_method_context_t hctx, bufferlist *in,
     min_alloc_size = 8;
   }
 
+  auto stripe_width = cls_get_pool_stripe_width(hctx);
+  if (stripe_width > 0) {
+    min_alloc_size = round_up_to(min_alloc_size, stripe_width);
+  }
+
   CLS_LOG(20, "pad to %" PRIu64, min_alloc_size);
 
   auto end = offset + data.length();