mirror of
https://github.com/linux-apfs/apfstests.git
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Josef Bacik
56a3959a96
We had a regression where you couldn't snapshot a file system if you mounted it ro and then remounted it rw. This is a test that does just that to make sure we don't have this problem again. I ran the test without the fix and it blew up, and then applied the fix and verified that it passed. [rjohnston: renumbered test] Signed-off-by: Josef Bacik <jbacik@fusionio.com> Reviewed-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Rich Johnston <rjohnston@sgi.com>
62 lines
1.6 KiB
Bash
62 lines
1.6 KiB
Bash
#! /bin/bash
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# FS QA Test No. btrfs/015
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#
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# Regression test to make sure we can create a snapshot after mounting with
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# readonly and remounting rw.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2013 Fusion IO. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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rm -f $tmp.*
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}
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trap "_cleanup ; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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rm -f $seqres.full
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount -o ro
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_scratch_mount -o rw,remount
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$BTRFS_UTIL_PROG sub snap $SCRATCH_MNT $SCRATCH_MNT/snap >> $seqres.full 2>&1 \
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|| _fail "couldn't create snapshot"
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echo "Silence is golden"
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status=0 ; exit
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