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path: root/drivers/nvdimm/namespace_devs.c
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Diffstat (limited to 'drivers/nvdimm/namespace_devs.c')
-rw-r--r--drivers/nvdimm/namespace_devs.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 6307088b375f..a518cb1b59d4 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -957,6 +957,7 @@ static ssize_t __size_store(struct device *dev, unsigned long long val)
957{ 957{
958 resource_size_t allocated = 0, available = 0; 958 resource_size_t allocated = 0, available = 0;
959 struct nd_region *nd_region = to_nd_region(dev->parent); 959 struct nd_region *nd_region = to_nd_region(dev->parent);
960 struct nd_namespace_common *ndns = to_ndns(dev);
960 struct nd_mapping *nd_mapping; 961 struct nd_mapping *nd_mapping;
961 struct nvdimm_drvdata *ndd; 962 struct nvdimm_drvdata *ndd;
962 struct nd_label_id label_id; 963 struct nd_label_id label_id;
@@ -964,7 +965,7 @@ static ssize_t __size_store(struct device *dev, unsigned long long val)
964 u8 *uuid = NULL; 965 u8 *uuid = NULL;
965 int rc, i; 966 int rc, i;
966 967
967 if (dev->driver || to_ndns(dev)->claim) 968 if (dev->driver || ndns->claim)
968 return -EBUSY; 969 return -EBUSY;
969 970
970 if (is_namespace_pmem(dev)) { 971 if (is_namespace_pmem(dev)) {
@@ -1034,20 +1035,16 @@ static ssize_t __size_store(struct device *dev, unsigned long long val)
1034 1035
1035 nd_namespace_pmem_set_resource(nd_region, nspm, 1036 nd_namespace_pmem_set_resource(nd_region, nspm,
1036 val * nd_region->ndr_mappings); 1037 val * nd_region->ndr_mappings);
1037 } else if (is_namespace_blk(dev)) {
1038 struct nd_namespace_blk *nsblk = to_nd_namespace_blk(dev);
1039
1040 /*
1041 * Try to delete the namespace if we deleted all of its
1042 * allocation, this is not the seed device for the
1043 * region, and it is not actively claimed by a btt
1044 * instance.
1045 */
1046 if (val == 0 && nd_region->ns_seed != dev
1047 && !nsblk->common.claim)
1048 nd_device_unregister(dev, ND_ASYNC);
1049 } 1038 }
1050 1039
1040 /*
1041 * Try to delete the namespace if we deleted all of its
1042 * allocation, this is not the seed device for the region, and
1043 * it is not actively claimed by a btt instance.
1044 */
1045 if (val == 0 && nd_region->ns_seed != dev && !ndns->claim)
1046 nd_device_unregister(dev, ND_ASYNC);
1047
1051 return rc; 1048 return rc;
1052} 1049}
1053 1050