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[PATCH 1/3] Add new standard loop handling functions

To: xfs@xxxxxxxxxxx
Subject: [PATCH 1/3] Add new standard loop handling functions
From: Tomas Racek <tracek@xxxxxxxxxx>
Date: Thu, 18 Oct 2012 10:45:44 +0200
Cc: lczerner@xxxxxxxxxx, Tomas Racek <tracek@xxxxxxxxxx>
Add _create_loop_device and _destroy_loop_device to uniformly handle
loopback devices.

Signed-off-by: Tomas Racek <tracek@xxxxxxxxxx>
---
 common.rc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/common.rc b/common.rc
index 966fc93..b5edd22 100644
--- a/common.rc
+++ b/common.rc
@@ -1804,6 +1804,21 @@ _test_batched_discard()
        $FSTRIM_PROG ${1} &>/dev/null
 }
 
+_create_loop_device()
+{
+       file=$1
+       dev=`losetup -f`
+       losetup $dev $file || _fail "Cannot associate $file with $dev"
+       echo $dev
+}
+
+_destroy_loop_device()
+{
+       dev=$1
+       losetup -d $dev || _fail "Cannot destroy loop device $dev"
+}
+
+
 
################################################################################
 
 if [ "$iam" != new -a "$iam" != bench ]
-- 
1.7.11.7

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