From d9e5b514aa4ef6d659b267e8caef4ebec8a221b1 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Mon, 8 Oct 2012 22:25:43 +0100
Subject: btrfs: Add a workaround for btrfs failures seen with kernel 3.7.0.

See:
https://bugzilla.redhat.com/show_bug.cgi?id=863978
and:
http://thread.gmane.org/gmane.comp.file-systems.btrfs/20257
---
 daemon/mkfs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/daemon/mkfs.c b/daemon/mkfs.c
index 4b2ea10b..d472450e 100644
--- a/daemon/mkfs.c
+++ b/daemon/mkfs.c
@@ -192,6 +192,13 @@ do_mkfs (const char *fstype, const char *device, int blocksize,
   }
 
   free (err);
+
+  /* Workaround for RHBZ#863978, possibly in kernel 3.7.0.  Can be
+   * fixed when we work out what's going on upstream.
+   */
+  if (STREQ (fstype, "btrfs"))
+    sync_disks ();
+
   return 0;
 }
 
-- 
cgit