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| author | Dan Williams <dan.j.williams@intel.com> | 2018-04-09 10:50:17 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2018-04-09 10:50:17 -0700 |
| commit | e13e75b86ef2f88e3a47d672dd4c52a293efb95b (patch) | |
| tree | 2617aebd952d1aec09d323f6b2484b93f659e753 /drivers/md/dm-linear.c | |
| parent | 1ed41b5696ccc3ff40a1dee39fe14eff273faf82 (diff) | |
| parent | 976431b02c2ef92ae3f8b6a7d699fc554025e118 (diff) | |
| download | linux-e13e75b86ef2f88e3a47d672dd4c52a293efb95b.tar.bz2 | |
Merge branch 'for-4.17/dax' into libnvdimm-for-next
Diffstat (limited to 'drivers/md/dm-linear.c')
| -rw-r--r-- | drivers/md/dm-linear.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index d5f8eff7c11d..89443e0ededa 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -154,6 +154,7 @@ static int linear_iterate_devices(struct dm_target *ti, return fn(ti, lc->dev, lc->start, ti->len, data); } +#if IS_ENABLED(CONFIG_DAX_DRIVER) static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn) { @@ -184,6 +185,11 @@ static size_t linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff, return dax_copy_from_iter(dax_dev, pgoff, addr, bytes, i); } +#else +#define linear_dax_direct_access NULL +#define linear_dax_copy_from_iter NULL +#endif + static struct target_type linear_target = { .name = "linear", .version = {1, 4, 0}, |