From 6b47496a6fc81816e7edaf8224dfb88e402a05f5 Mon Sep 17 00:00:00 2001 From: Vishal Verma <vishal.l.verma@intel.com> Date: Thu, 23 Jul 2015 11:58:48 -0600 Subject: [PATCH] libnvdimm, pmem: Change pmem physical sector size to PAGE_SIZE Based on a patch: c8fa317 brd: Request from fdisk 4k alignment by Boaz Harrosh, allow fdisk to create properly aligned partitions for DAX. This will also cause mkfs.ext4 to emit a warning if using a file system block size of less than PAGE_SIZE. Cc: Dan Williams <dan.j.williams@intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Matthew Wilcox <matthew.r.wilcox@intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Elliott, Robert <Elliott@hp.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Acked-by: Boaz Harrosh <boaz@plexistor.com> Acked-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- drivers/nvdimm/pmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index ade9eb917a4d..bcf48f133443 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -162,6 +162,7 @@ static int pmem_attach_disk(struct nd_namespace_common *ndns, return -ENOMEM; blk_queue_make_request(pmem->pmem_queue, pmem_make_request); + blk_queue_physical_block_size(pmem->pmem_queue, PAGE_SIZE); blk_queue_max_hw_sectors(pmem->pmem_queue, UINT_MAX); blk_queue_bounce_limit(pmem->pmem_queue, BLK_BOUNCE_ANY); queue_flag_set_unlocked(QUEUE_FLAG_NONROT, pmem->pmem_queue); -- GitLab