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| author | Vishal Verma <vishal.l.verma@intel.com> | 2015-06-25 11:22:39 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2015-06-26 18:23:38 +0300 |
| commit | fcae695737fca0849c18db814d9d8de05c0fd2a2 (patch) | |
| tree | d88f8a5edf637cf1013c764e14df8c97b4b77539 /drivers/nvdimm/core.c | |
| parent | 41cd8b70c37ace40077c8d6ec0b74b983178c192 (diff) | |
| download | linux-fcae695737fca0849c18db814d9d8de05c0fd2a2.tar.xz | |
libnvdimm, blk: add support for blk integrity
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>
Diffstat (limited to 'drivers/nvdimm/core.c')
| -rw-r--r-- | drivers/nvdimm/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 1d96b9a6e4cc..4288169432de 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -379,6 +379,9 @@ int nd_integrity_init(struct gendisk *disk, unsigned long meta_size) }; int ret; + if (meta_size == 0) + return 0; + ret = blk_integrity_register(disk, &integrity); if (ret) return ret; |