From: Samuel Just <sam.just@inktank.com>
Date: Thu, 6 Feb 2014 04:05:04 +0000 (-0800)
Subject: ReplicatedPG: reject unaligned writes on ec pools
X-Git-Tag: v0.78~163^2~60
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e0b0508586d7b47909e6c0618b113df3f9def055;p=ceph.git

ReplicatedPG: reject unaligned writes on ec pools

Signed-off-by: Samuel Just <sam.just@inktank.com>
---

diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index 5ed51da0c25..46db4b76cd7 100644
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -3476,6 +3476,12 @@ int ReplicatedPG::do_osd_ops(OpContext *ctx, vector<OSDOp>& ops)
 	  break;
 	}
 
+	if (pool.info.requires_aligned_append() &&
+	    (op.extent.offset % pool.info.required_alignment() != 0)) {
+	  result = -EOPNOTSUPP;
+	  break;
+	}
+
 	if (!obs.exists) {
 	  ctx->mod_desc.create();
 	} else if (op.extent.offset == oi.size) {