diff options
Diffstat (limited to 'drivers/nvdimm/nd.h')
| -rw-r--r-- | drivers/nvdimm/nd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index cc5c8f3f81e8..b199eea3260e 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -632,6 +632,9 @@ u64 nd_region_interleave_set_cookie(struct nd_region *nd_region, u64 nd_region_interleave_set_altcookie(struct nd_region *nd_region); void nvdimm_bus_lock(struct device *dev); void nvdimm_bus_unlock(struct device *dev); +DEFINE_GUARD(nvdimm_bus, struct device *, + if (_T) nvdimm_bus_lock(_T), if (_T) nvdimm_bus_unlock(_T)); + bool is_nvdimm_bus_locked(struct device *dev); void nvdimm_check_and_set_ro(struct gendisk *disk); void nvdimm_drvdata_release(struct kref *kref); |