Re: 2.6.19-rc6-mm1

[Matthew Frost]

Andy Whitcroft wrote:
> I get this accross the board on my test system too.  All clean downloads.
> 
> A quick look at the combo-patch and the broken-out patch seems to
> indicate they are not in sync with each other.  In the combo-patch we
> have this hunk (which is the one which fails):
> 
> --- linux-2.6.19-rc6/kernel/tsacct.c    2006-11-16 23:19:32.000000000 -0800
> +++ devel/kernel/tsacct.c       2006-11-23 01:12:17.000000000 -0800
> @@ -97,7 +97,14 @@ void xacct_add_tsk(struct taskstats *sta
>         stats->read_syscalls    = p->syscr;
>         stats->write_syscalls   = p->syscw;
>  #ifdef CONFIG_TASK_IO_ACCOUNTING
> -       stats->read_bytes       = p->ioac->read_bytes
> +       stats->read_bytes       = p->ioac.read_bytes;
> +       stats->write_bytes      = p->ioac.write_bytes;
> +       stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes;
> +#else
> +       stats->read_bytes       = 0;
> +       stats->write_bytes      = 0;
> +       stats->cancelled_write_bytes = 0;
> +#endif
> 
> In the broken-out directory the only patch which references this file
> has the following different hunk:
> 
> --- a/kernel/tsacct.c~io-accounting-via-taskstats
> +++ a/kernel/tsacct.c
> @@ -96,6 +96,15 @@ void xacct_add_tsk(struct taskstats *sta
>         stats->write_char       = 0;
>         stats->read_syscalls    = p->syscr;
>         stats->write_syscalls   = p->syscw;
> +#ifdef CONFIG_TASK_IO_ACCOUNTING
> +       stats->read_bytes       = p->ioac.read_bytes;
> +       stats->write_bytes      = p->ioac.write_bytes;
> +       stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes;
> +#else
> +       stats->read_bytes       = 0;
> +       stats->write_bytes      = 0;
> +       stats->cancelled_write_bytes = 0;
> +#endif
>  }
>  #undef KB
>  #undef MB
> 
> Looking at 2.6.19-rc6 this second version seems completely reasonable.
> The former does not.
> 
Swapping out those two hunks makes the patch apply cleanly here, too.  Thanks!

> -apw
> 
Matt
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