On 4/5/2022 10:21 PM, Christoph Hellwig wrote:
> On Tue, Apr 05, 2022 at 01:47:47PM -0600, Jane Chu wrote:
>> + off = (unsigned long)addr & ~PAGE_MASK;
>
> offset_inpage()
>
>> + if (off || !(PAGE_ALIGNED(bytes))) {
>
> No need for the inner braces.
>
>> + mutex_lock(&pmem->recovery_lock);
>> + pmem_off = PFN_PHYS(pgoff) + pmem->data_offset;
>> + cleared = __pmem_clear_poison(pmem, pmem_off, len);
>> + if (cleared > 0 && cleared < len) {
>> + dev_warn(dev, "poison cleared only %ld out of %lu\n",
>> + cleared, len);
>> + mutex_unlock(&pmem->recovery_lock);
>> + return 0;
>> + } else if (cleared < 0) {
>
> No need for an else after a return.
Agreed, will reflect your comments in next rev.
thanks!
-jane
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