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| author |   Dan Williams <dan.j.williams@intel.com> | 2016-01-06 12:03:42 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-01-09 22:42:31 -0800 |
| commit | 57f7f317abdd07954cb116280c88d18378afb33e (patch) | |
| tree | 8f39a9ea74d7babfbccfd0bcafc01e0e284499f4 /drivers/nvdimm | |
| parent | pmem: fail io-requests to known bad blocks (diff) | |
| download | linux-dev-57f7f317abdd07954cb116280c88d18378afb33e.tar.xz linux-dev-57f7f317abdd07954cb116280c88d18378afb33e.zip | |
pmem, dax: disable dax in the presence of bad blocks
Longer term teach dax to punch "error" holes in mapping requests and
deliver SIGBUS to applications that consume a bad pmem page. For now,
simply disable the dax performance optimization in the presence of known
errors.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm')
| -rw-r--r-- | drivers/nvdimm/pmem.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index d00c659d1304..6a1832b3983c 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -233,6 +233,7 @@ static int pmem_attach_disk(struct device *dev, return -ENOMEM; nvdimm_namespace_add_poison(ndns, &pmem->bb, pmem->data_offset); + disk->bb = &pmem->bb; add_disk(disk); revalidate_disk(disk); |