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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.
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