[LTP] [PATCH] ltp: replace the retry loops by new exponential backoff macro

[Li Wang]

Shuang Qiu <shuang.qiu@oracle.com> wrote:

> Oh,yes,Xiao's patch is related to it.
> ===cut===
> if tst_kvcmp -lt "2.6.35" && [ -n "$dev_file" ]; then
> ===
> But looks like the missing symlink issue is not only related with kernel
> version or loop devices,but sometimes related with mkswap version or udev
> rules.
> The testcase sometimes will also fail with new version of kernels.
>

Hmm, if that is true. We may need to rewrite the judgement according the
real situation.

check_symlink_support()
{
        if support symlink
                return 0
        else
                return 1
}

if ! check_symlink_support ; then
        tst_res TINFO "Waiting for $dev_file to appear"
        tst_sleep 100ms
else
        TST_RETRY_FUNC "check_for_file $dev_file" 0
fi

Or, any better idea?

-- 
Regards,
Li Wang
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