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36 lines
1.1 KiB
Bash
Executable File
36 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# ensure that dd's oflag=direct works
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# Copyright (C) 2009-2011 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will 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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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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print_ver_ dd
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truncate -s 8192 in || framework_failure
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dd if=in oflag=direct of=out 2> /dev/null \
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|| skip_test_ 'this file system lacks support for O_DIRECT'
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truncate -s 511 short || framework_failure
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truncate -s 8191 m1 || framework_failure
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truncate -s 8193 p1 || framework_failure
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for i in short m1 p1; do
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rm -f out
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dd if=$i oflag=direct of=out || fail=1
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done
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Exit $fail
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