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apfstests/common/defrag
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Lukas Czerner ce0aa2bc5c common: Use _require_xfs_io_command() instead of helpers
Number of helpers for checking xfs_io functionality is slowly
growing.  But it's as easy to simply use _require_xfs_io_command()
directly and just specify the command we want to check. It will also
avoid the need to create helper every time we need to check a new
command in xfs_io.

Remove all the helpers and use _require_xfs_io_command() in the
tests.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-04-28 10:55:12 +10:00

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##/bin/bash
#
# Copyright (c) 2009 Eric Sandeen
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
#
# Functions useful for defragmentation tests
#
_require_defrag()
{
case "$FSTYP" in
xfs)
DEFRAG_PROG="$XFS_FSR_PROG"
;;
ext4|ext4dev)
DEFRAG_PROG="$E4DEFRAG_PROG"
;;
btrfs)
DEFRAG_PROG="$BTRFS_UTIL_PROG filesystem defragment"
;;
*)
_notrun "defragmentation not supported for fstype \"$FSTYP\""
;;
esac
_require_command $DEFRAG_PROG
_require_xfs_io_command "fiemap"
}
_extent_count()
{
$XFS_IO_PROG -c "fiemap" $1 | tail -n +2 | grep -v hole | wc -l
$XFS_IO_PROG -c "fiemap" $1 >> $seqres.full 2>&1
}
# Defrag file, check it, and remove it.
_defrag()
{
echo -n "Before: "
_extent_count $1
CSUM_BEFORE=`md5sum $1`
STAT_BEFORE=`stat -c "a: %x m: %y c: %z" $1`
$DEFRAG_PROG -v $1 >> $seqres.full 2>&1
_scratch_remount
STAT_AFTER=`stat -c "a: %x m: %y c: %z" $1`
CSUM_AFTER=`md5sum $1`
echo -n "After: "
_extent_count $1
if [ "$CSUM_BEFORE" != "$CSUM_AFTER" ]; then
_fail "file checksum changed post-defrag ($CSUM_BEFORE/$CSUM_AFTER)"
fi
if [ "$STAT_BEFORE" != "$STAT_AFTER" ]; then
_fail "file timestamps changed post-defrag:\n$STAT_BEFORE\n$STAT_AFTER"
fi
rm -f $1
}