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This on media label format [1] consists of two index blocks followed by
an array of labels. None of these structures are ever updated in place.
A sequence number tracks the current active index and the next one to
write, while labels are written to free slots.
+------------+
| |
| nsindex0 |
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+------------+
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| nsindex1 |
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+------------+
| label0 |
+------------+
| label1 |
+------------+
| |
....nslot...
| |
+------------+
| labelN |
+------------+
After reading valid labels, store the dpa ranges they claim into
per-dimm resource trees.
[1]: http://pmem.io/documents/NVDIMM_Namespace_Spec.pdf
Cc: Neil Brown <neilb@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
14 lines
301 B
Makefile
14 lines
301 B
Makefile
obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o
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obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o
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nd_pmem-y := pmem.o
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libnvdimm-y := core.o
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libnvdimm-y += bus.o
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libnvdimm-y += dimm_devs.o
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libnvdimm-y += dimm.o
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libnvdimm-y += region_devs.o
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libnvdimm-y += region.o
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libnvdimm-y += namespace_devs.o
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libnvdimm-y += label.o
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