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libnvdimm, blk: add support for blk integrity

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Support multiple block sizes (sector + metadata) for nd_blk in the
same way as done for the BTT. Add the idea of an 'internal' lbasize,
which is properly aligned and padded, and store metadata in this space.

Signed-off-by: Vishal Verma <vishal.l.verma@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Vishal Verma
2015-06-25 04:22:39 -04:00
committed by Dan Williams
parent 41cd8b70c3
commit fcae695737
5 changed files with 159 additions and 23 deletions
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3
drivers/nvdimm/namespace_devs.c
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@@ -1059,7 +1059,8 @@ static ssize_t resource_show(struct device *dev,
}
static DEVICE_ATTR_RO(resource);
static const unsigned long ns_lbasize_supported[] = { 512, 0 };
static const unsigned long ns_lbasize_supported[] = { 512, 520, 528,
4096, 4104, 4160, 4224, 0 };
static ssize_t sector_size_show(struct device *dev,
struct device_attribute *attr, char *buf)