From: Jason Dillaman <dillaman@redhat.com>
Date: Fri, 18 Dec 2020 16:02:29 +0000 (-0500)
Subject: librbd: ensure stripe unit is at least 512 bytes
X-Git-Tag: v16.1.0~156^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=4167c5dd4a6d277c5b4cb2810ad5fbb059ff3deb;p=ceph.git

librbd: ensure stripe unit is at least 512 bytes

Fixes: https://tracker.ceph.com/issues/47828
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---

diff --git a/src/librbd/image/CreateRequest.cc b/src/librbd/image/CreateRequest.cc
index abf434920945..b4cad77a3055 100644
--- a/src/librbd/image/CreateRequest.cc
+++ b/src/librbd/image/CreateRequest.cc
@@ -73,6 +73,9 @@ int validate_striping(CephContext *cct, uint8_t order, uint64_t stripe_unit,
   } else if (stripe_unit && ((1ull << order) % stripe_unit || stripe_unit > (1ull << order))) {
     lderr(cct) << "stripe unit is not a factor of the object size" << dendl;
     return -EINVAL;
+  } else if (stripe_unit != 0 && stripe_unit < 512) {
+    lderr(cct) << "stripe unit must be at least 512 bytes" << dendl;
+    return -EINVAL;
   }
   return 0;
 }