Eryu Guan <eguan@xxxxxxxxxx> writes: > On Mon, Apr 10, 2017 at 02:05:53PM +0800, Xiong Zhou wrote: >> Regression case that one can write to read-only >> file in a DAX mountpoint. >> >> Signed-off-by: Xiong Zhou <xzhou@xxxxxxxxxx> >> --- >> >> v2: >> compile test programme manually in this test because default >> cc option -O2 prevents this issue reproduction; > > Hmm, this looks.. ugly to me :) Better to find out the exact reason that > prevents the bug from reproducing and update the c program accordingly. The compiler probably optimizes this bit out: + /* fault in the page */ + foo = *buf; Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html