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path: root/drivers/md/dm-table.c
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Diffstat (limited to 'drivers/md/dm-table.c')
-rw-r--r--drivers/md/dm-table.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 38e4eb1bb965..416d4e258df6 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -55,6 +55,7 @@ struct dm_table {
55 struct dm_target *targets; 55 struct dm_target *targets;
56 56
57 unsigned discards_supported:1; 57 unsigned discards_supported:1;
58 unsigned integrity_supported:1;
58 59
59 /* 60 /*
60 * Indicates the rw permissions for the new logical 61 * Indicates the rw permissions for the new logical
@@ -859,7 +860,7 @@ int dm_table_alloc_md_mempools(struct dm_table *t)
859 return -EINVAL; 860 return -EINVAL;
860 } 861 }
861 862
862 t->mempools = dm_alloc_md_mempools(type); 863 t->mempools = dm_alloc_md_mempools(type, t->integrity_supported);
863 if (!t->mempools) 864 if (!t->mempools)
864 return -ENOMEM; 865 return -ENOMEM;
865 866
@@ -935,8 +936,10 @@ static int dm_table_prealloc_integrity(struct dm_table *t, struct mapped_device
935 struct dm_dev_internal *dd; 936 struct dm_dev_internal *dd;
936 937
937 list_for_each_entry(dd, devices, list) 938 list_for_each_entry(dd, devices, list)
938 if (bdev_get_integrity(dd->dm_dev.bdev)) 939 if (bdev_get_integrity(dd->dm_dev.bdev)) {
940 t->integrity_supported = 1;
939 return blk_integrity_register(dm_disk(md), NULL); 941 return blk_integrity_register(dm_disk(md), NULL);
942 }
940 943
941 return 0; 944 return 0;
942} 945}
@@ -1275,29 +1278,6 @@ int dm_table_any_busy_target(struct dm_table *t)
1275 return 0; 1278 return 0;
1276} 1279}
1277 1280
1278void dm_table_unplug_all(struct dm_table *t)
1279{
1280 struct dm_dev_internal *dd;
1281 struct list_head *devices = dm_table_get_devices(t);
1282 struct dm_target_callbacks *cb;
1283
1284 list_for_each_entry(dd, devices, list) {
1285 struct request_queue *q = bdev_get_queue(dd->dm_dev.bdev);
1286 char b[BDEVNAME_SIZE];
1287
1288 if (likely(q))
1289 blk_unplug(q);
1290 else
1291 DMWARN_LIMIT("%s: Cannot unplug nonexistent device %s",
1292 dm_device_name(t->md),
1293 bdevname(dd->dm_dev.bdev, b));
1294 }
1295
1296 list_for_each_entry(cb, &t->target_callbacks, list)
1297 if (cb->unplug_fn)
1298 cb->unplug_fn(cb);
1299}
1300
1301struct mapped_device *dm_table_get_md(struct dm_table *t) 1281struct mapped_device *dm_table_get_md(struct dm_table *t)
1302{ 1282{
1303 return t->md; 1283 return t->md;
@@ -1345,4 +1325,3 @@ EXPORT_SYMBOL(dm_table_get_mode);
1345EXPORT_SYMBOL(dm_table_get_md); 1325EXPORT_SYMBOL(dm_table_get_md);
1346EXPORT_SYMBOL(dm_table_put); 1326EXPORT_SYMBOL(dm_table_put);
1347EXPORT_SYMBOL(dm_table_get); 1327EXPORT_SYMBOL(dm_table_get);
1348EXPORT_SYMBOL(dm_table_unplug_all);