Re: [PATCH v4] btrfs-progs: Fix disable backtrace assert error

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On Tue, Jan 24, 2017 at 12:55:22PM +0100, David Sterba wrote:
> On Thu, Jan 19, 2017 at 12:00:03PM +0800, Qu Wenruo wrote:
> > Due to commit 00e769d04c2c83029d6c71(btrfs-progs: Correct value printed
> > by assertions/BUG_ON/WARN_ON), which changed the assert_trace()
> > parameter, the condition passed to assert/WARN_ON/BUG_ON are logical
> > notted for backtrace enabled and disabled case.
> > 
> > Such behavior makes us easier to pass value wrong, and in fact it did
> > cause us to pass wrong condition for ASSERT().
> > 
> > Instead of passing different conditions for ASSERT/WARN_ON/BUG_ON()
> > manually, this patch will use ASSERT() to implement the resting
> > ASSERT/WARN_ON/BUG() for disable backtrace case, and use assert_trace()
> > to implement ASSERT() and BUG_ON(), to allow them to print correct
> > value.
> > 
> > Also, move WARN_ON() out of the ifdef branch, as it's completely the
> > same for both branches.
> > 
> > Cc: Goldwyn Rodrigues <rgoldwyn@xxxxxxx>
> > Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
> 
> Applied, thanks.

And FYI, I've added a trace dump for BUG_ON and removed the value
negation from ASSERT.
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