On 11/4/2021 10:55 AM, Christoph Hellwig wrote: > On Tue, Sep 14, 2021 at 05:31:32PM -0600, Jane Chu wrote: >> +static int pmem_dax_clear_poison(struct dax_device *dax_dev, pgoff_t pgoff, >> + size_t nr_pages) >> +{ >> + unsigned int len = PFN_PHYS(nr_pages); >> + sector_t sector = PFN_PHYS(pgoff) >> SECTOR_SHIFT; >> + struct pmem_device *pmem = dax_get_private(dax_dev); >> + phys_addr_t pmem_off = sector * 512 + pmem->data_offset; >> + blk_status_t ret; >> + >> + if (!is_bad_pmem(&pmem->bb, sector, len)) >> + return 0; >> + >> + ret = pmem_clear_poison(pmem, pmem_off, len); >> + return (ret == BLK_STS_OK) ? 0 : -EIO; > > No need for the braces here (and I'd prefer a good old if anyway). > > Otherwise looks good: > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Thanks a lot! I'll keep in mind your comments. -jane