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Darrick J. Wong
568920df38
Andreas Grünbacher reports that on the two filesystems that support
iomap directio, it's possible for splice() to return -EAGAIN (instead of
a short splice) if the pipe being written to has less space available in
its pipe buffers than the length supplied by the calling process.
This is a regression test to check for correct operation. Kernel
needs commit 3253d9d09337 ("splice: only read in as much information
as there is pipe buffer space") to pass.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
43 lines
803 B
Bash
Executable File
43 lines
803 B
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 591
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#
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# Test using splice() to read from pipes.
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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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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 $TEST_DIR/a
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}
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# get standard environment, filters and checks
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. ./common/rc
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# real QA test starts here
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_supported_os Linux
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_supported_fs generic
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_require_test
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_require_test_program "splice-test"
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rm -f $seqres.full
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$here/src/splice-test -r $TEST_DIR/a
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$here/src/splice-test -rd $TEST_DIR/a
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$here/src/splice-test $TEST_DIR/a
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$here/src/splice-test -d $TEST_DIR/a
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# success, all done
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status=0
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exit
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