[LTP] [PATCH] dio_read: fix infinite loop when readsize >= filesize

[Cyril Hrubis]

Hi!
> The do_direct_reads() function had exit conditions inside the inner
> for loop. When readsize >= filesize, the for loop condition is never
> true, causing the while(1) loop to spin infinitely without checking
> if writers completed or runtime expired.
> 
> Move the exit condition checks outside the for loop to ensure they
> are evaluated on every iteration, regardless of readsize/filesize
> parameters.

I was looking at this when I was rewriting the runtest files and I was
wondering why we do not check that filesize <= readsize && filesize <=
writesize in the test setup() instead.

-- 
Cyril Hrubis
chrubis@suse.cz