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https://github.com/linux-apfs/apfstests.git
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Eric Sandeen
2f136d62bf
TBH, I don't know if this is posix-specified, but I found out the hard way that when trying to re-create existing files on a readonly filesystem, some apps expect/handle EEXIST, but fail on EROFS. This will test mkdir, mknod, and symlinks for that behavior. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
74 lines
1.9 KiB
Bash
74 lines
1.9 KiB
Bash
#! /bin/bash
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# FS QA Test No. 294
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#
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# Tests for EEXIST (not EROFS) for inode creations, if
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# we ask to create an already-existing entity on an RO filesystem
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2012 Red Hat, Inc. 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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# creator
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owner=sandeen@redhat.com
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seq=`basename $0`
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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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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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THIS_TEST_DIR=$SCRATCH_MNT/$seq.test
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_create_files()
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{
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mknod $THIS_TEST_DIR/testnode c 1 3
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mkdir $THIS_TEST_DIR/testdir
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touch $THIS_TEST_DIR/testtarget
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ln -s $THIS_TEST_DIR/testtarget $THIS_TEST_DIR/testlink 2>&1 | _filter_ln
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}
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_scratch_mount
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rm -rf $THIS_TEST_DIR
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mkdir $THIS_TEST_DIR || _fail "Could not create dir for test"
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_create_files 2>&1 | _filter_scratch
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_scratch_mount -o remount,ro || _fail "Could not remount scratch readonly"
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_create_files 2>&1 | _filter_scratch
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# success, all done
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status=0
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exit
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