On Tue, Jul 10, 2012 at 10:13:19AM -0400, Phillip Susi wrote:
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> On 7/10/2012 9:57 AM, Vivek Goyal wrote:
> > +static inline sector_t part_nr_sects_read(struct hd_struct *part)
> > +{ +#if BITS_PER_LONG==32 && defined(CONFIG_LBDAF) &&
> > defined(CONFIG_SMP) + sector_t nr_sects; + unsigned seq; + do { +
> > seq = read_seqcount_begin(&part->nr_sects_seq); + nr_sects =
> > part->nr_sects; + } while (read_seqcount_retry(&part->nr_sects_seq,
> > seq)); + return nr_sects; +#elif BITS_PER_LONG==32 &&
> > defined(CONFIG_PREEMPT)
>
> Shouldn't this be BITS_PER_LONG==32 && defined(CONFIG_LBDAF) &&
> defined(CONFIG_PREEMPT)? No sense disabling preemption when the
> sector size is also 32 bits.
Yes. Good catch. We don't want to disable/enable preemption for 32bit UP
kernels with sector size 32bit. I will modify the patch and repost soon.
BTW, what happened to all the new lines in the code above. Looks like you
mailer chewed these up.
Thanks
Vivek
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