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iotests: Provide a function for checking the creation of huge files

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Some tests create huge (but sparse) files, and to be able to run those
tests in certain limited environments (like CI containers), we have to
check for the possibility to create such files first. Thus let's introduce
a common function to check for large files, and replace the already
existing checks in the iotests 005 and 220 with this function.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Thomas Huth 2019-12-02 11:16:29 +01:00 • committed by Kevin Wolf
parent aceeaa69d2
commit 059f708d0c
3 changed files with 13 additions and 8 deletions
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10
tests/qemu-iotests/common.rc
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@ -643,5 +643,15 @@ _require_drivers()
done
}
# Check that we have a file system that allows huge (but very sparse) files
#
_require_large_file()
{
if ! truncate --size="$1" "$TEST_IMG"; then
_notrun "file system on $TEST_DIR does not support large enough files"
fi
rm "$TEST_IMG"
}
# make sure this script returns success
true