linux-kernel - [Patch 0/1] Fix __d_path for lazy unmounts v2

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Date:	Tue, 23 Feb 2010 16:12:08 -0800
From:	john.johansen@...onical.com
To:	linux-kernel@...r.kernel.org
Cc:	linux-fsdevel-owner@...r.kernel.org
Subject: [Patch 0/1] Fix __d_path for lazy unmounts v2

Second iteration of the __d_path patch
Fixes                                      
* formating problem - while(dentry    
* the assignment where comparison should be used

Tests to exercise the behavior and test for regressions follows

---

#!/bin/bash

#simple script to test behavior of lazily unmounted bind mount

DIR1=`mktemp -d /tmp/foo.XXXXXXXXXX`
DIR2=`mktemp -d /tmp/test.XXXXXXXXXX`
mkdir "$DIR2/bar"
mount --bind "$DIR2" "$DIR1"
cd "$DIR1/bar"
echo "Before umount -l"
/bin/pwd
umount -l "$DIR1"
echo "After umount -l"
/bin/pwd
echo "After cd .."
cd ..
/bin/pwd

rm -rf "$DIR1" "$DIR2"

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